./chc-comp-wrapper.sh ../../../chc-comp24-benchmarks/LIA-Lin-Arrays/chc-comp24-LIA-Lin-Arrays-020.smt2 .


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


This is Ultimate 0.3.0-dev-42d8767-m
[2025-04-28 21:21:44,408 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-04-28 21:21:44,501 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981df780-00cd-4acb-b7de-f65d49a2132f/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-04-28 21:21:44,505 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-04-28 21:21:44,505 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-04-28 21:21:44,527 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-04-28 21:21:44,528 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-04-28 21:21:44,528 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-04-28 21:21:44,528 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-04-28 21:21:44,528 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-04-28 21:21:44,529 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-04-28 21:21:44,529 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-04-28 21:21:44,529 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-04-28 21:21:44,529 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-04-28 21:21:44,529 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-04-28 21:21:44,530 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-04-28 21:21:44,530 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-04-28 21:21:44,530 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-04-28 21:21:44,530 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:44,530 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-04-28 21:21:44,530 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-04-28 21:21:44,530 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-04-28 21:21:44,530 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-04-28 21:21:44,531 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-04-28 21:21:44,531 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-04-28 21:21:44,531 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-04-28 21:21:44,532 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-04-28 21:21:44,800 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-04-28 21:21:44,813 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-04-28 21:21:44,816 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-04-28 21:21:44,819 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-04-28 21:21:44,819 INFO  L274        PluginConnector]: SmtParser initialized
[2025-04-28 21:21:44,821 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981df780-00cd-4acb-b7de-f65d49a2132f/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Lin-Arrays/chc-comp24-LIA-Lin-Arrays-020.smt2
[2025-04-28 21:21:44,823 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-04-28 21:21:44,827 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-04-28 21:21:45,065 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_981df780-00cd-4acb-b7de-f65d49a2132f/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Lin-Arrays/chc-comp24-LIA-Lin-Arrays-020.smt2
[2025-04-28 21:21:45,068 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-04-28 21:21:45,072 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-04-28 21:21:45,073 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-04-28 21:21:45,074 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-04-28 21:21:45,074 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-04-28 21:21:45,081 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,119 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45 Unit
[2025-04-28 21:21:45,121 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-04-28 21:21:45,123 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-04-28 21:21:45,123 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-04-28 21:21:45,123 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-04-28 21:21:45,139 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,140 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,176 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,176 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,181 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,182 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,183 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,187 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,188 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,210 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-04-28 21:21:45,212 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-04-28 21:21:45,212 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-04-28 21:21:45,212 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-04-28 21:21:45,214 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (1/1) ...
[2025-04-28 21:21:45,217 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:45,230 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:45,244 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)
[2025-04-28 21:21:45,249 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-04-28 21:21:45,266 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-04-28 21:21:45,266 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-04-28 21:21:45,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-04-28 21:21:45,267 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main.ATlinear_search.exit.split given in one single declaration
[2025-04-28 21:21:45,267 INFO  L130     BoogieDeclarations]: Found specification of procedure main.ATlinear_search.exit.split
[2025-04-28 21:21:45,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure main.ATlinear_search.exit.split
[2025-04-28 21:21:45,267 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main.AT.lr.ph.i given in one single declaration
[2025-04-28 21:21:45,267 INFO  L130     BoogieDeclarations]: Found specification of procedure main.AT.lr.ph.i
[2025-04-28 21:21:45,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure main.AT.lr.ph.i
[2025-04-28 21:21:45,267 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main.AT.lr.ph.i.preheader given in one single declaration
[2025-04-28 21:21:45,268 INFO  L130     BoogieDeclarations]: Found specification of procedure main.AT.lr.ph.i.preheader
[2025-04-28 21:21:45,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure main.AT.lr.ph.i.preheader
[2025-04-28 21:21:45,268 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-04-28 21:21:45,269 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-04-28 21:21:45,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-04-28 21:21:45,342 INFO  L234             CfgBuilder]: Building ICFG
[2025-04-28 21:21:45,344 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-04-28 21:21:45,517 INFO  L?                        ?]: Removed 38 outVars from TransFormulas that were not future-live.
[2025-04-28 21:21:45,517 INFO  L283             CfgBuilder]: Performing block encoding
[2025-04-28 21:21:45,538 INFO  L304             CfgBuilder]: Using library mode
[2025-04-28 21:21:45,538 INFO  L312             CfgBuilder]: Removed 2 assume(true) statements.
[2025-04-28 21:21:45,539 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:45 BoogieIcfgContainer
[2025-04-28 21:21:45,539 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-04-28 21:21:45,545 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-04-28 21:21:45,545 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-04-28 21:21:45,550 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-04-28 21:21:45,550 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:45" (1/3) ...
[2025-04-28 21:21:45,551 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a9e038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 28.04 09:21:45, skipping insertion in model container
[2025-04-28 21:21:45,551 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:45" (2/3) ...
[2025-04-28 21:21:45,552 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a9e038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:21:45, skipping insertion in model container
[2025-04-28 21:21:45,552 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:45" (3/3) ...
[2025-04-28 21:21:45,553 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-04-28 21:21:45,569 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-04-28 21:21:45,571 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 5 procedures, 19 locations, 25 edges, 5 initial locations, 0 loop locations, and 1 error locations.
[2025-04-28 21:21:45,627 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-04-28 21:21:45,648 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;@2890c8c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-04-28 21:21:45,648 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-04-28 21:21:45,652 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 19 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5)
[2025-04-28 21:21:45,659 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2025-04-28 21:21:45,660 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:45,660 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:45,661 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:45,666 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:45,666 INFO  L85        PathProgramCache]: Analyzing trace with hash 840787452, now seen corresponding path program 1 times
[2025-04-28 21:21:45,674 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:45,674 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748487509]
[2025-04-28 21:21:45,674 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:45,675 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:45,716 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes.
[2025-04-28 21:21:45,766 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements.
[2025-04-28 21:21:45,767 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:45,767 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-04-28 21:21:45,767 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-04-28 21:21:45,774 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes.
[2025-04-28 21:21:45,811 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements.
[2025-04-28 21:21:45,812 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:45,812 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-04-28 21:21:45,847 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-04-28 21:21:45,852 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-04-28 21:21:45,853 INFO  L790   garLoopResultBuilder]: Registering result UNSAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-04-28 21:21:45,856 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-04-28 21:21:45,862 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2025-04-28 21:21:45,886 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-04-28 21:21:45,889 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:21:45 BoogieIcfgContainer
[2025-04-28 21:21:45,889 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-04-28 21:21:45,891 INFO  L158              Benchmark]: Toolchain (without parser) took 822.50ms. Allocated memory is still 234.9MB. Free memory was 163.5MB in the beginning and 136.7MB in the end (delta: 26.8MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-04-28 21:21:45,892 INFO  L158              Benchmark]: SmtParser took 0.33ms. Allocated memory is still 234.9MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:45,893 INFO  L158              Benchmark]: ChcToBoogie took 48.70ms. Allocated memory is still 234.9MB. Free memory was 163.5MB in the beginning and 162.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:45,894 INFO  L158              Benchmark]: Boogie Preprocessor took 88.16ms. Allocated memory is still 234.9MB. Free memory was 162.4MB in the beginning and 159.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:45,896 INFO  L158              Benchmark]: RCFGBuilder took 327.62ms. Allocated memory is still 234.9MB. Free memory was 159.8MB in the beginning and 149.0MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-04-28 21:21:45,896 INFO  L158              Benchmark]: TraceAbstraction took 345.08ms. Allocated memory is still 234.9MB. Free memory was 148.5MB in the beginning and 136.7MB in the end (delta: 11.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:45,898 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.33ms. Allocated memory is still 234.9MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 48.70ms. Allocated memory is still 234.9MB. Free memory was 163.5MB in the beginning and 162.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 88.16ms. Allocated memory is still 234.9MB. Free memory was 162.4MB in the beginning and 159.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 327.62ms. Allocated memory is still 234.9MB. Free memory was 159.8MB in the beginning and 149.0MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 345.08ms. Allocated memory is still 234.9MB. Free memory was 148.5MB in the beginning and 136.7MB in the end (delta: 11.8MB). There was no memory consumed. 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
  - CounterExampleResult [Unknown line] : the set of constraint Horn clauses is unsatisfiable
    the set of constraint Horn clauses is unsatisfiable
We found a FailurePath: 
[L0]  CALL  call False();
[L0]  CALL  call main.ATlinear_search.exit.split();
[L0]        assume (((((((((((((((((((((((!(!hbv_main.ATlinear_search.exit.split_M_4 && hbv_main.ATlinear_search.exit.split_N_5) && !(hbv_main.ATlinear_search.exit.split_J_1 && (!hbv_main.ATlinear_search.exit.split_J_1 || !hbv_main.ATlinear_search.exit.split_M_4))) && !(hbv_main.ATlinear_search.exit.split_A_7 <= 0)) && hbv_main.ATlinear_search.exit.split_A_7 + hbv_main.ATlinear_search.exit.split_I_8 * 4 == hbv_main.ATlinear_search.exit.split_C_9) && !((hbv_main.ATlinear_search.exit.split_L_12 != hbv_main.ATlinear_search.exit.split_G_19 && hbv_main.ATlinear_search.exit.split_J_1) && hbv_main.ATlinear_search.exit.split_K_2)) && !(((!hbv_main.ATlinear_search.exit.split_U_15 && !hbv_main.ATlinear_search.exit.split_V_6) || (hbv_main.ATlinear_search.exit.split_V_6 && hbv_main.ATlinear_search.exit.split_U_15)) && hbv_main.ATlinear_search.exit.split_W_3)) && !(0 < hbv_main.ATlinear_search.exit.split_A_7 && hbv_main.ATlinear_search.exit.split_C_9 <= 0)) && !(((!hbv_main.ATlinear_search.exit.split_J_1 || !hbv_main.ATlinear_search.exit.split_K_2) && hbv_main.ATlinear_search.exit.split_W_3) && (!hbv_main.ATlinear_search.exit.split_M_4 || !hbv_main.ATlinear_search.exit.split_N_5))) && !(hbv_main.ATlinear_search.exit.split_W_3 && !hbv_main.ATlinear_search.exit.split_V_6)) && !(hbv_main.ATlinear_search.exit.split_W_3 && hbv_main.ATlinear_search.exit.split_S_14 != hbv_main.ATlinear_search.exit.split_P_22[hbv_main.ATlinear_search.exit.split_Q_23])) && !((hbv_main.ATlinear_search.exit.split_O_10 != hbv_main.ATlinear_search.exit.split_R_11 && hbv_main.ATlinear_search.exit.split_N_5) && hbv_main.ATlinear_search.exit.split_M_4)) && !(hbv_main.ATlinear_search.exit.split_W_3 && hbv_main.ATlinear_search.exit.split_T_21)) && !((hbv_main.ATlinear_search.exit.split_J_1 && hbv_main.ATlinear_search.exit.split_H_18) && hbv_main.ATlinear_search.exit.split_M_4)) && !((hbv_main.ATlinear_search.exit.split_J_1 && hbv_main.ATlinear_search.exit.split_K_2) && hbv_main.ATlinear_search.exit.split_F_20)) && !((((((hbv_main.ATlinear_search.exit.split_E_24 <= hbv_main.ATlinear_search.exit.split_G_19 && 0 <= hbv_main.ATlinear_search.exit.split_E_24) && 0 <= hbv_main.ATlinear_search.exit.split_G_19) || !hbv_main.ATlinear_search.exit.split_F_20) || (hbv_main.ATlinear_search.exit.split_G_19 < 0 && (hbv_main.ATlinear_search.exit.split_E_24 <= hbv_main.ATlinear_search.exit.split_G_19 || 0 <= hbv_main.ATlinear_search.exit.split_E_24))) && hbv_main.ATlinear_search.exit.split_J_1) && ((((hbv_main.ATlinear_search.exit.split_G_19 < 0 || hbv_main.ATlinear_search.exit.split_G_19 < hbv_main.ATlinear_search.exit.split_E_24) || hbv_main.ATlinear_search.exit.split_E_24 < 0) && ((hbv_main.ATlinear_search.exit.split_G_19 < hbv_main.ATlinear_search.exit.split_E_24 && hbv_main.ATlinear_search.exit.split_E_24 < 0) || 0 <= hbv_main.ATlinear_search.exit.split_G_19)) || hbv_main.ATlinear_search.exit.split_F_20))) && !(!hbv_main.ATlinear_search.exit.split_J_1 && hbv_main.ATlinear_search.exit.split_K_2)) && !(hbv_main.ATlinear_search.exit.split_X_13 && (!hbv_main.ATlinear_search.exit.split_W_3 || !hbv_main.ATlinear_search.exit.split_X_13))) && hbv_main.ATlinear_search.exit.split_B_16[hbv_main.ATlinear_search.exit.split_C_9] == hbv_main.ATlinear_search.exit.split_D_17) && !(((((hbv_main.ATlinear_search.exit.split_R_11 < 0 && (0 <= hbv_main.ATlinear_search.exit.split_S_14 || hbv_main.ATlinear_search.exit.split_S_14 <= hbv_main.ATlinear_search.exit.split_R_11)) || ((0 <= hbv_main.ATlinear_search.exit.split_R_11 && 0 <= hbv_main.ATlinear_search.exit.split_S_14) && hbv_main.ATlinear_search.exit.split_S_14 <= hbv_main.ATlinear_search.exit.split_R_11)) || !hbv_main.ATlinear_search.exit.split_U_15) && hbv_main.ATlinear_search.exit.split_W_3) && ((((hbv_main.ATlinear_search.exit.split_R_11 < 0 || hbv_main.ATlinear_search.exit.split_R_11 < hbv_main.ATlinear_search.exit.split_S_14) || hbv_main.ATlinear_search.exit.split_S_14 < 0) && (0 <= hbv_main.ATlinear_search.exit.split_R_11 || (hbv_main.ATlinear_search.exit.split_R_11 < hbv_main.ATlinear_search.exit.split_S_14 && hbv_main.ATlinear_search.exit.split_S_14 < 0))) || hbv_main.ATlinear_search.exit.split_U_15))) && !((hbv_main.ATlinear_search.exit.split_H_18 || 3 == hbv_main.ATlinear_search.exit.split_D_17) && (!hbv_main.ATlinear_search.exit.split_H_18 || 3 != hbv_main.ATlinear_search.exit.split_D_17))) && !((!hbv_main.ATlinear_search.exit.split_H_18 && hbv_main.ATlinear_search.exit.split_N_5) && hbv_main.ATlinear_search.exit.split_M_4)) && !((hbv_main.ATlinear_search.exit.split_L_12 != hbv_main.ATlinear_search.exit.split_R_11 && hbv_main.ATlinear_search.exit.split_J_1) && hbv_main.ATlinear_search.exit.split_K_2)) && !(hbv_main.ATlinear_search.exit.split_J_1 && hbv_main.ATlinear_search.exit.split_I_8 + 1 != hbv_main.ATlinear_search.exit.split_G_19)) && !((hbv_main.ATlinear_search.exit.split_N_5 && hbv_main.ATlinear_search.exit.split_M_4) && hbv_main.ATlinear_search.exit.split_O_10 != hbv_main.ATlinear_search.exit.split_I_8)) && !!hbv_main.ATlinear_search.exit.split_X_13;
      VAL   [hbv_main.ATlinear_search.exit.split_A_7=1, hbv_main.ATlinear_search.exit.split_E_24=0, hbv_main.ATlinear_search.exit.split_I_8=0, hbv_main.ATlinear_search.exit.split_Q_23=4]
[L0]  CALL  call main.AT.lr.ph.i(hbv_main.ATlinear_search.exit.split_P_22, hbv_main.ATlinear_search.exit.split_Q_23, hbv_main.ATlinear_search.exit.split_I_8, hbv_main.ATlinear_search.exit.split_E_24, hbv_main.ATlinear_search.exit.split_A_7, hbv_main.ATlinear_search.exit.split_B_16);
      VAL   [hhv_main.AT.lr.ph.i_M_1=4, hhv_main.AT.lr.ph.i_N_2=0, hhv_main.AT.lr.ph.i_O_3=0, hhv_main.AT.lr.ph.i_P_4=1]
[L0]        assume ((((((((((hhv_main.AT.lr.ph.i_O_3 == hbv_main.AT.lr.ph.i_D_9 + 1 && !(0 < hhv_main.AT.lr.ph.i_P_4 && hbv_main.AT.lr.ph.i_H_1 <= 0)) && !!hbv_main.AT.lr.ph.i_I_7) && !((hbv_main.AT.lr.ph.i_J_6 && hbv_main.AT.lr.ph.i_I_7) && hhv_main.AT.lr.ph.i_N_2 != hbv_main.AT.lr.ph.i_K_5)) && hbv_main.AT.lr.ph.i_H_1 == hbv_main.AT.lr.ph.i_F_8 * 4 + hhv_main.AT.lr.ph.i_P_4) && !(hhv_main.AT.lr.ph.i_P_4 <= 0)) && !(hbv_main.AT.lr.ph.i_I_7 && (!hbv_main.AT.lr.ph.i_J_6 || !hbv_main.AT.lr.ph.i_I_7))) && !((hbv_main.AT.lr.ph.i_K_5 != 0 && hbv_main.AT.lr.ph.i_J_6) && hbv_main.AT.lr.ph.i_I_7)) && hbv_main.AT.lr.ph.i_E_3 == hbv_main.AT.lr.ph.i_A_2[hhv_main.AT.lr.ph.i_M_1 := 0]) && hbv_main.AT.lr.ph.i_G_4[hbv_main.AT.lr.ph.i_H_1 := 3] == hhv_main.AT.lr.ph.i_Q_5) && hhv_main.AT.lr.ph.i_L_0 == hbv_main.AT.lr.ph.i_E_3[hhv_main.AT.lr.ph.i_M_1 := hhv_main.AT.lr.ph.i_O_3]) && hbv_main.AT.lr.ph.i_C_10 == hbv_main.AT.lr.ph.i_B_11;
      VAL   [hbv_main.AT.lr.ph.i_C_10=5, hhv_main.AT.lr.ph.i_M_1=4, hhv_main.AT.lr.ph.i_N_2=0, hhv_main.AT.lr.ph.i_O_3=0, hhv_main.AT.lr.ph.i_P_4=1]
[L0]  CALL  call main.AT.lr.ph.i.preheader(hbv_main.AT.lr.ph.i_A_2, hbv_main.AT.lr.ph.i_C_10);
[L0]  RET   call main.AT.lr.ph.i.preheader(hbv_main.AT.lr.ph.i_A_2, hbv_main.AT.lr.ph.i_C_10);
      VAL   [hbv_main.AT.lr.ph.i_C_10=5, hhv_main.AT.lr.ph.i_M_1=4, hhv_main.AT.lr.ph.i_N_2=0, hhv_main.AT.lr.ph.i_O_3=0, hhv_main.AT.lr.ph.i_P_4=1]
[L0]  RET   call main.AT.lr.ph.i(hbv_main.ATlinear_search.exit.split_P_22, hbv_main.ATlinear_search.exit.split_Q_23, hbv_main.ATlinear_search.exit.split_I_8, hbv_main.ATlinear_search.exit.split_E_24, hbv_main.ATlinear_search.exit.split_A_7, hbv_main.ATlinear_search.exit.split_B_16);
      VAL   [hbv_main.ATlinear_search.exit.split_A_7=1, hbv_main.ATlinear_search.exit.split_E_24=0, hbv_main.ATlinear_search.exit.split_I_8=0, hbv_main.ATlinear_search.exit.split_Q_23=4]
[L0]  RET   call main.ATlinear_search.exit.split();
[L0]  RET   call False();
[L0]        assert false;

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 19 locations, 25 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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
RESULT: Ultimate proved your program to be incorrect!
[2025-04-28 21:21:45,920 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...
unsat
