./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_dynamic_parameter_1_fail.sol_0_no_adts_000.smt2 .


--------------------------------------------------------------------------------


This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:26:08,599 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:26:08,636 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafdbb9-b296-41b6-8aee-4b059ea63aa0/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:26:08,638 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:26:08,639 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:26:08,652 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:26:08,652 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:26:08,652 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:26:08,653 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:26:08,653 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:26:08,653 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:26:08,653 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:26:08,653 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:26:08,653 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:26:08,653 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:26:08,653 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:26:08,653 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:26:08,653 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:26:08,653 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:08,654 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:26:08,654 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:26:08,654 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:26:08,654 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:26:08,654 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:26:08,654 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:26:08,654 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:26:08,654 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:26:08,836 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:26:08,843 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:26:08,846 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:26:08,847 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:26:08,847 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:26:08,848 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafdbb9-b296-41b6-8aee-4b059ea63aa0/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_dynamic_parameter_1_fail.sol_0_no_adts_000.smt2
[2025-05-07 17:26:08,849 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:26:08,851 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:26:09,058 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafdbb9-b296-41b6-8aee-4b059ea63aa0/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_dynamic_parameter_1_fail.sol_0_no_adts_000.smt2
[2025-05-07 17:26:09,060 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:26:09,061 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:26:09,061 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:26:09,061 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:26:09,062 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:26:09,063 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,093 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09 Unit
[2025-05-07 17:26:09,093 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:26:09,094 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:26:09,094 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:26:09,094 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:26:09,104 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,105 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,124 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,124 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,128 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,129 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,130 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,132 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,133 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,144 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:26:09,144 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:26:09,144 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:26:09,144 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:26:09,145 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (1/1) ...
[2025-05-07 17:26:09,147 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:09,155 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:09,164 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:26:09,167 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:26:09,177 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:26:09,177 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:26:09,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:26:09,177 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_5_0 given in one single declaration
[2025-05-07 17:26:09,178 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_5_0
[2025-05-07 17:26:09,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_5_0
[2025-05-07 17:26:09,178 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__38_39_0 given in one single declaration
[2025-05-07 17:26:09,178 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__38_39_0
[2025-05-07 17:26:09,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__38_39_0
[2025-05-07 17:26:09,178 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__38_39_0 given in one single declaration
[2025-05-07 17:26:09,178 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__38_39_0
[2025-05-07 17:26:09,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__38_39_0
[2025-05-07 17:26:09,178 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__38_39_0 given in one single declaration
[2025-05-07 17:26:09,178 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__38_39_0
[2025-05-07 17:26:09,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__38_39_0
[2025-05-07 17:26:09,178 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__38_39_0 given in one single declaration
[2025-05-07 17:26:09,178 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__38_39_0
[2025-05-07 17:26:09,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__38_39_0
[2025-05-07 17:26:09,179 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_37_39_0 given in one single declaration
[2025-05-07 17:26:09,179 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_37_39_0
[2025-05-07 17:26:09,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_37_39_0
[2025-05-07 17:26:09,179 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__38_39_0 given in one single declaration
[2025-05-07 17:26:09,179 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__38_39_0
[2025-05-07 17:26:09,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__38_39_0
[2025-05-07 17:26:09,179 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__38_39_0 given in one single declaration
[2025-05-07 17:26:09,179 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__38_39_0
[2025-05-07 17:26:09,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__38_39_0
[2025-05-07 17:26:09,179 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__38_39_0 given in one single declaration
[2025-05-07 17:26:09,179 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__38_39_0
[2025-05-07 17:26:09,179 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__38_39_0
[2025-05-07 17:26:09,180 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__38_39_0 given in one single declaration
[2025-05-07 17:26:09,180 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__38_39_0
[2025-05-07 17:26:09,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__38_39_0
[2025-05-07 17:26:09,180 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_39_0 given in one single declaration
[2025-05-07 17:26:09,180 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_39_0
[2025-05-07 17:26:09,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_39_0
[2025-05-07 17:26:09,180 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_39_0 given in one single declaration
[2025-05-07 17:26:09,180 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_39_0
[2025-05-07 17:26:09,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_39_0
[2025-05-07 17:26:09,180 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_15_C_39_0 given in one single declaration
[2025-05-07 17:26:09,180 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_15_C_39_0
[2025-05-07 17:26:09,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_15_C_39_0
[2025-05-07 17:26:09,180 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_12_C_39_0 given in one single declaration
[2025-05-07 17:26:09,180 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_12_C_39_0
[2025-05-07 17:26:09,180 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_12_C_39_0
[2025-05-07 17:26:09,181 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_14_C_39_0 given in one single declaration
[2025-05-07 17:26:09,181 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_14_C_39_0
[2025-05-07 17:26:09,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_14_C_39_0
[2025-05-07 17:26:09,181 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_13_C_39_0 given in one single declaration
[2025-05-07 17:26:09,181 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_13_C_39_0
[2025-05-07 17:26:09,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_13_C_39_0
[2025-05-07 17:26:09,181 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:26:09,181 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:26:09,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:26:09,296 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:26:09,298 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:26:09,490 INFO  L?                        ?]: Removed 177 outVars from TransFormulas that were not future-live.
[2025-05-07 17:26:09,490 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:26:09,500 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:26:09,500 INFO  L312             CfgBuilder]: Removed 9 assume(true) statements.
[2025-05-07 17:26:09,501 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:09 BoogieIcfgContainer
[2025-05-07 17:26:09,501 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:26:09,502 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:26:09,502 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:26:09,505 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:26:09,505 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:09" (1/3) ...
[2025-05-07 17:26:09,505 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516f7c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:26:09, skipping insertion in model container
[2025-05-07 17:26:09,506 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:09" (2/3) ...
[2025-05-07 17:26:09,506 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516f7c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:26:09, skipping insertion in model container
[2025-05-07 17:26:09,506 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:09" (3/3) ...
[2025-05-07 17:26:09,507 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:26:09,517 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:26:09,519 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 18 procedures, 70 locations, 105 edges, 18 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:26:09,548 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:26:09,556 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@34010b06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:26:09,556 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:26:09,559 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 70 states, 30 states have (on average 1.1) internal successors, (33), 33 states have internal predecessors, (33), 21 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (24), 19 states have call predecessors, (24), 21 states have call successors, (24)
[2025-05-07 17:26:09,565 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:09,565 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:09,565 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:09,565 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:09,569 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:09,569 INFO  L85        PathProgramCache]: Analyzing trace with hash -462687915, now seen corresponding path program 1 times
[2025-05-07 17:26:09,574 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:09,574 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977516688]
[2025-05-07 17:26:09,574 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:09,575 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:09,616 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:09,633 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:09,633 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:09,634 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:09,811 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:09,811 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:09,812 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977516688]
[2025-05-07 17:26:09,812 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977516688] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:09,812 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:09,814 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:26:09,815 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097513636]
[2025-05-07 17:26:09,816 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:09,819 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:26:09,819 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:09,837 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:26:09,851 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:09,852 INFO  L87              Difference]: Start difference. First operand  has 70 states, 30 states have (on average 1.1) internal successors, (33), 33 states have internal predecessors, (33), 21 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (24), 19 states have call predecessors, (24), 21 states have call successors, (24) Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:09,884 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:09,884 INFO  L93              Difference]: Finished difference Result 66 states and 73 transitions.
[2025-05-07 17:26:09,885 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:26:09,886 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:26:09,887 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:09,892 INFO  L225             Difference]: With dead ends: 66
[2025-05-07 17:26:09,893 INFO  L226             Difference]: Without dead ends: 60
[2025-05-07 17:26:09,894 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:09,896 INFO  L437           NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:09,902 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 202 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:09,913 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2025-05-07 17:26:09,928 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58.
[2025-05-07 17:26:09,929 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 25 states have (on average 1.04) internal successors, (26), 26 states have internal predecessors, (26), 17 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18)
[2025-05-07 17:26:09,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions.
[2025-05-07 17:26:09,933 INFO  L79                 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 51
[2025-05-07 17:26:09,933 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:09,933 INFO  L485      AbstractCegarLoop]: Abstraction has 58 states and 62 transitions.
[2025-05-07 17:26:09,933 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:09,933 INFO  L278                IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions.
[2025-05-07 17:26:09,934 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:09,934 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:09,935 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:09,935 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:26:09,935 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:09,935 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:09,935 INFO  L85        PathProgramCache]: Analyzing trace with hash 1042665817, now seen corresponding path program 1 times
[2025-05-07 17:26:09,936 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:09,936 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217694729]
[2025-05-07 17:26:09,936 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:09,936 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:09,963 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:09,992 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:09,993 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:09,993 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:10,204 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:10,204 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:10,204 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217694729]
[2025-05-07 17:26:10,204 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217694729] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:10,204 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:10,205 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:10,205 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115915678]
[2025-05-07 17:26:10,205 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:10,205 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:10,205 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:10,206 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:10,206 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:10,206 INFO  L87              Difference]: Start difference. First operand 58 states and 62 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:26:10,275 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:10,275 INFO  L93              Difference]: Finished difference Result 63 states and 68 transitions.
[2025-05-07 17:26:10,276 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:10,276 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:26:10,276 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:10,277 INFO  L225             Difference]: With dead ends: 63
[2025-05-07 17:26:10,277 INFO  L226             Difference]: Without dead ends: 63
[2025-05-07 17:26:10,278 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:10,278 INFO  L437           NwaCegarLoop]: 62 mSDtfsCounter, 1 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:10,279 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 413 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:10,279 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2025-05-07 17:26:10,284 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63.
[2025-05-07 17:26:10,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 18 states have call successors, (19), 15 states have call predecessors, (19), 17 states have return successors, (21), 19 states have call predecessors, (21), 18 states have call successors, (21)
[2025-05-07 17:26:10,286 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions.
[2025-05-07 17:26:10,286 INFO  L79                 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 51
[2025-05-07 17:26:10,286 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:10,287 INFO  L485      AbstractCegarLoop]: Abstraction has 63 states and 68 transitions.
[2025-05-07 17:26:10,287 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:26:10,287 INFO  L278                IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions.
[2025-05-07 17:26:10,288 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:10,288 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:10,288 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:10,288 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:26:10,289 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:10,289 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:10,289 INFO  L85        PathProgramCache]: Analyzing trace with hash 2041827207, now seen corresponding path program 1 times
[2025-05-07 17:26:10,289 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:10,289 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553409423]
[2025-05-07 17:26:10,289 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:10,289 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:10,313 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:10,326 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:10,326 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:10,326 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:10,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:10,409 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:10,409 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553409423]
[2025-05-07 17:26:10,409 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553409423] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:10,409 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:10,409 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:10,409 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259454030]
[2025-05-07 17:26:10,409 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:10,410 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:10,410 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:10,410 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:10,410 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:10,410 INFO  L87              Difference]: Start difference. First operand 63 states and 68 transitions. Second operand  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:10,446 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:10,446 INFO  L93              Difference]: Finished difference Result 57 states and 62 transitions.
[2025-05-07 17:26:10,447 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:10,447 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:26:10,447 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:10,447 INFO  L225             Difference]: With dead ends: 57
[2025-05-07 17:26:10,447 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:26:10,447 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:10,448 INFO  L437           NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:10,448 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 265 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:10,448 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:26:10,448 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:26:10,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:26:10,449 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:26:10,449 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:26:10,449 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:10,449 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:26:10,449 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:10,449 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:26:10,449 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:26:10,451 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:26:10,451 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:26:10,453 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:26:10,455 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:26:10,457 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:26:10 BoogieIcfgContainer
[2025-05-07 17:26:10,457 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:26:10,458 INFO  L158              Benchmark]: Toolchain (without parser) took 1397.04ms. Allocated memory is still 234.9MB. Free memory was 149.4MB in the beginning and 85.5MB in the end (delta: 63.9MB). Peak memory consumption was 75.4MB. Max. memory is 33.6GB.
[2025-05-07 17:26:10,458 INFO  L158              Benchmark]: SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 172.9MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:10,458 INFO  L158              Benchmark]: ChcToBoogie took 31.78ms. Allocated memory is still 234.9MB. Free memory was 149.3MB in the beginning and 146.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:10,458 INFO  L158              Benchmark]: Boogie Preprocessor took 50.15ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:10,458 INFO  L158              Benchmark]: RCFGBuilder took 356.61ms. Allocated memory was 234.9MB in the beginning and 302.0MB in the end (delta: 67.1MB). Free memory was 143.4MB in the beginning and 253.1MB in the end (delta: -109.7MB). Peak memory consumption was 42.0MB. Max. memory is 33.6GB.
[2025-05-07 17:26:10,459 INFO  L158              Benchmark]: TraceAbstraction took 955.00ms. Allocated memory was 302.0MB in the beginning and 234.9MB in the end (delta: -67.1MB). Free memory was 252.2MB in the beginning and 85.5MB in the end (delta: 166.7MB). Peak memory consumption was 100.5MB. Max. memory is 33.6GB.
[2025-05-07 17:26:10,459 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 172.9MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 31.78ms. Allocated memory is still 234.9MB. Free memory was 149.3MB in the beginning and 146.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 50.15ms. Allocated memory is still 234.9MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 356.61ms. Allocated memory was 234.9MB in the beginning and 302.0MB in the end (delta: 67.1MB). Free memory was 143.4MB in the beginning and 253.1MB in the end (delta: -109.7MB). Peak memory consumption was 42.0MB. Max. memory is 33.6GB.
 * TraceAbstraction took 955.00ms. Allocated memory was 302.0MB in the beginning and 234.9MB in the end (delta: -67.1MB). Free memory was 252.2MB in the beginning and 85.5MB in the end (delta: 166.7MB). Peak memory consumption was 100.5MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 18 procedures, 70 locations, 105 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 880 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 693 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 187 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:26:10,471 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
