./chc-comp-wrapper.sh ../../../chc-comp24-benchmarks/LIA-Lin/chc-comp24-LIA-Lin-006.smt2 .


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


This is Ultimate 0.3.0-dev-42d8767-m
[2025-04-28 21:21:34,425 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-04-28 21:21:34,513 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2447e5b-f4ea-4a5c-8533-d189e25e98f1/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-04-28 21:21:34,520 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-04-28 21:21:34,523 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-04-28 21:21:34,558 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-04-28 21:21:34,559 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-04-28 21:21:34,559 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-04-28 21:21:34,560 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-04-28 21:21:34,561 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-04-28 21:21:34,561 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-04-28 21:21:34,561 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-04-28 21:21:34,561 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-04-28 21:21:34,561 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-04-28 21:21:34,561 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-04-28 21:21:34,562 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-04-28 21:21:34,562 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-04-28 21:21:34,562 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-04-28 21:21:34,562 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:34,562 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-04-28 21:21:34,562 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-04-28 21:21:34,562 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-04-28 21:21:34,563 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-04-28 21:21:34,563 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-04-28 21:21:34,563 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-04-28 21:21:34,564 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-04-28 21:21:34,564 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-04-28 21:21:34,873 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-04-28 21:21:34,885 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-04-28 21:21:34,887 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-04-28 21:21:34,889 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-04-28 21:21:34,889 INFO  L274        PluginConnector]: SmtParser initialized
[2025-04-28 21:21:34,892 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2447e5b-f4ea-4a5c-8533-d189e25e98f1/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Lin/chc-comp24-LIA-Lin-006.smt2
[2025-04-28 21:21:34,893 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-04-28 21:21:34,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-04-28 21:21:35,097 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2447e5b-f4ea-4a5c-8533-d189e25e98f1/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Lin/chc-comp24-LIA-Lin-006.smt2
[2025-04-28 21:21:35,101 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-04-28 21:21:35,102 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-04-28 21:21:35,103 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-04-28 21:21:35,103 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-04-28 21:21:35,104 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-04-28 21:21:35,106 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,143 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35 Unit
[2025-04-28 21:21:35,147 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-04-28 21:21:35,149 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-04-28 21:21:35,149 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-04-28 21:21:35,149 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-04-28 21:21:35,169 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,169 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,198 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,198 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,201 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,202 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,204 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,205 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,206 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,219 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-04-28 21:21:35,223 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-04-28 21:21:35,224 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-04-28 21:21:35,224 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-04-28 21:21:35,225 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (1/1) ...
[2025-04-28 21:21:35,227 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:35,240 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:35,256 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 21:21:35,259 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 21:21:35,271 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-04-28 21:21:35,271 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-04-28 21:21:35,271 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-04-28 21:21:35,271 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main.ATsum.exit.split given in one single declaration
[2025-04-28 21:21:35,272 INFO  L130     BoogieDeclarations]: Found specification of procedure main.ATsum.exit.split
[2025-04-28 21:21:35,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure main.ATsum.exit.split
[2025-04-28 21:21:35,272 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main.ATtailrecurse.i given in one single declaration
[2025-04-28 21:21:35,272 INFO  L130     BoogieDeclarations]: Found specification of procedure main.ATtailrecurse.i
[2025-04-28 21:21:35,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure main.ATtailrecurse.i
[2025-04-28 21:21:35,272 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure main.ATentry given in one single declaration
[2025-04-28 21:21:35,272 INFO  L130     BoogieDeclarations]: Found specification of procedure main.ATentry
[2025-04-28 21:21:35,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure main.ATentry
[2025-04-28 21:21:35,272 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-04-28 21:21:35,273 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-04-28 21:21:35,273 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-04-28 21:21:35,331 INFO  L234             CfgBuilder]: Building ICFG
[2025-04-28 21:21:35,334 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-04-28 21:21:35,470 INFO  L?                        ?]: Removed 36 outVars from TransFormulas that were not future-live.
[2025-04-28 21:21:35,470 INFO  L283             CfgBuilder]: Performing block encoding
[2025-04-28 21:21:35,486 INFO  L304             CfgBuilder]: Using library mode
[2025-04-28 21:21:35,486 INFO  L312             CfgBuilder]: Removed 2 assume(true) statements.
[2025-04-28 21:21:35,486 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:35 BoogieIcfgContainer
[2025-04-28 21:21:35,486 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-04-28 21:21:35,489 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-04-28 21:21:35,491 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-04-28 21:21:35,494 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-04-28 21:21:35,494 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:35" (1/3) ...
[2025-04-28 21:21:35,494 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8bc5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 28.04 09:21:35, skipping insertion in model container
[2025-04-28 21:21:35,494 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:35" (2/3) ...
[2025-04-28 21:21:35,495 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8bc5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:21:35, skipping insertion in model container
[2025-04-28 21:21:35,495 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:35" (3/3) ...
[2025-04-28 21:21:35,496 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-04-28 21:21:35,507 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-04-28 21:21:35,509 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 5 procedures, 20 locations, 29 edges, 5 initial locations, 0 loop locations, and 1 error locations.
[2025-04-28 21:21:35,548 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-04-28 21:21:35,570 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;@37a46d1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-04-28 21:21:35,571 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-04-28 21:21:35,575 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 20 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6)
[2025-04-28 21:21:35,583 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2025-04-28 21:21:35,583 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:35,584 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:35,584 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:35,591 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:35,591 INFO  L85        PathProgramCache]: Analyzing trace with hash -1624522385, now seen corresponding path program 1 times
[2025-04-28 21:21:35,599 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:35,600 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923126457]
[2025-04-28 21:21:35,600 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:35,600 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:35,624 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes.
[2025-04-28 21:21:35,639 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements.
[2025-04-28 21:21:35,640 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:35,640 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-04-28 21:21:35,640 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-04-28 21:21:35,646 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes.
[2025-04-28 21:21:35,653 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements.
[2025-04-28 21:21:35,653 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:35,653 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-04-28 21:21:35,668 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-04-28 21:21:35,672 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-04-28 21:21:35,674 INFO  L790   garLoopResultBuilder]: Registering result UNSAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-04-28 21:21:35,678 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-04-28 21:21:35,684 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2025-04-28 21:21:35,692 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-04-28 21:21:35,695 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:21:35 BoogieIcfgContainer
[2025-04-28 21:21:35,696 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-04-28 21:21:35,697 INFO  L158              Benchmark]: Toolchain (without parser) took 594.53ms. Allocated memory is still 234.9MB. Free memory was 163.4MB in the beginning and 140.8MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-04-28 21:21:35,697 INFO  L158              Benchmark]: SmtParser took 1.55ms. Allocated memory is still 234.9MB. Free memory is still 171.4MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:35,698 INFO  L158              Benchmark]: ChcToBoogie took 44.78ms. Allocated memory is still 234.9MB. Free memory was 163.4MB in the beginning and 162.7MB in the end (delta: 786.1kB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:35,698 INFO  L158              Benchmark]: Boogie Preprocessor took 70.28ms. Allocated memory is still 234.9MB. Free memory was 161.9MB in the beginning and 160.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:35,698 INFO  L158              Benchmark]: RCFGBuilder took 263.23ms. Allocated memory is still 234.9MB. Free memory was 160.3MB in the beginning and 150.2MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-04-28 21:21:35,699 INFO  L158              Benchmark]: TraceAbstraction took 207.06ms. Allocated memory is still 234.9MB. Free memory was 149.4MB in the beginning and 140.8MB in the end (delta: 8.6MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:35,701 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 1.55ms. Allocated memory is still 234.9MB. Free memory is still 171.4MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 44.78ms. Allocated memory is still 234.9MB. Free memory was 163.4MB in the beginning and 162.7MB in the end (delta: 786.1kB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 70.28ms. Allocated memory is still 234.9MB. Free memory was 161.9MB in the beginning and 160.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 263.23ms. Allocated memory is still 234.9MB. Free memory was 160.3MB in the beginning and 150.2MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 207.06ms. Allocated memory is still 234.9MB. Free memory was 149.4MB in the beginning and 140.8MB in the end (delta: 8.6MB). 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.ATsum.exit.split();
[L0]        assume ((((((((!(!hbv_main.ATsum.exit.split_H_3 && hbv_main.ATsum.exit.split_I_2) && !((hbv_main.ATsum.exit.split_I_2 && (hbv_main.ATsum.exit.split_G_7 == hbv_main.ATsum.exit.split_F_8 || hbv_main.ATsum.exit.split_H_3)) && (!hbv_main.ATsum.exit.split_H_3 || hbv_main.ATsum.exit.split_G_7 != hbv_main.ATsum.exit.split_F_8))) && !((hbv_main.ATsum.exit.split_I_2 && hbv_main.ATsum.exit.split_B_6) && !hbv_main.ATsum.exit.split_A_4)) && !(hbv_main.ATsum.exit.split_I_2 && hbv_main.ATsum.exit.split_G_7 != hbv_main.ATsum.exit.split_E_5 + hbv_main.ATsum.exit.split_D_9)) && !(hbv_main.ATsum.exit.split_J_1 && (!hbv_main.ATsum.exit.split_J_1 || !hbv_main.ATsum.exit.split_I_2))) && !((hbv_main.ATsum.exit.split_A_4 || hbv_main.ATsum.exit.split_E_5 == 0) && (!hbv_main.ATsum.exit.split_A_4 || hbv_main.ATsum.exit.split_E_5 != 0))) && !((!hbv_main.ATsum.exit.split_B_6 || !hbv_main.ATsum.exit.split_I_2) && hbv_main.ATsum.exit.split_I_2)) && !((hbv_main.ATsum.exit.split_D_9 != hbv_main.ATsum.exit.split_C_10 && hbv_main.ATsum.exit.split_I_2) && hbv_main.ATsum.exit.split_B_6)) && !((hbv_main.ATsum.exit.split_I_2 && hbv_main.ATsum.exit.split_B_6) && hbv_main.ATsum.exit.split_F_8 != hbv_main.ATsum.exit.split_C_10)) && !!hbv_main.ATsum.exit.split_J_1;
[L0]  CALL  call main.ATentry();
[L0]  RET   call main.ATentry();
[L0]  RET   call main.ATsum.exit.split();
[L0]  RET   call False();
[L0]        assert false;

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 20 locations, 29 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=20occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 21:21:35,715 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
