/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_16-traces-unprot2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:04:27,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:04:27,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-12-09 15:04:27,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:04:27,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:04:27,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:04:27,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:04:27,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:04:27,907 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:04:27,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:04:27,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:04:27,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:04:27,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:04:27,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:04:27,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:04:27,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:04:27,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:04:27,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:04:27,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:04:27,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:04:27,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:04:27,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:04:27,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:04:27,913 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:04:27,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:04:27,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:04:27,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:04:27,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:04:27,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:04:27,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:04:27,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:04:27,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:04:27,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:04:27,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:04:28,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:04:28,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:04:28,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:04:28,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:04:28,146 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:04:28,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_16-traces-unprot2_true.i [2023-12-09 15:04:29,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:04:29,471 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:04:29,472 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_16-traces-unprot2_true.i [2023-12-09 15:04:29,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9b68770/685f481971cd4ea4b659484e45472b26/FLAG8fe753acd [2023-12-09 15:04:29,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9b68770/685f481971cd4ea4b659484e45472b26 [2023-12-09 15:04:29,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:04:29,832 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:04:29,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:04:29,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:04:29,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:04:29,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:04:29" (1/1) ... [2023-12-09 15:04:29,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b09c717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:29, skipping insertion in model container [2023-12-09 15:04:29,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:04:29" (1/1) ... [2023-12-09 15:04:29,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:04:29,983 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_16-traces-unprot2_true.i[1086,1099] [2023-12-09 15:04:30,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:04:30,120 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:04:30,131 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_16-traces-unprot2_true.i[1086,1099] [2023-12-09 15:04:30,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:04:30,196 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:04:30,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30 WrapperNode [2023-12-09 15:04:30,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:04:30,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:04:30,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:04:30,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:04:30,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,228 INFO L138 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-12-09 15:04:30,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:04:30,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:04:30,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:04:30,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:04:30,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:04:30,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:04:30,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:04:30,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:04:30,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (1/1) ... [2023-12-09 15:04:30,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:04:30,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:04:30,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-09 15:04:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:04:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:04:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:04:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-09 15:04:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-09 15:04:30,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:04:30,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:04:30,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:04:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:04:30,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-09 15:04:30,320 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-09 15:04:30,462 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:04:30,464 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:04:30,601 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:04:30,610 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:04:30,611 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:04:30,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:04:30 BoogieIcfgContainer [2023-12-09 15:04:30,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:04:30,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:04:30,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:04:30,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:04:30,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:04:29" (1/3) ... [2023-12-09 15:04:30,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3907f5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:04:30, skipping insertion in model container [2023-12-09 15:04:30,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:04:30" (2/3) ... [2023-12-09 15:04:30,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3907f5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:04:30, skipping insertion in model container [2023-12-09 15:04:30,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:04:30" (3/3) ... [2023-12-09 15:04:30,618 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_16-traces-unprot2_true.i [2023-12-09 15:04:30,631 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:04:30,632 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 15:04:30,632 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:04:30,678 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-09 15:04:30,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions, 106 flow [2023-12-09 15:04:30,758 INFO L124 PetriNetUnfolderBase]: 1/50 cut-off events. [2023-12-09 15:04:30,758 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 15:04:30,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2023-12-09 15:04:30,761 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 51 transitions, 106 flow [2023-12-09 15:04:30,764 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 39 transitions, 81 flow [2023-12-09 15:04:30,774 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:04:30,782 INFO L362 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@258a97c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:04:30,782 INFO L363 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-09 15:04:30,789 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:04:30,790 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2023-12-09 15:04:30,790 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-12-09 15:04:30,790 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:04:30,790 INFO L233 CegarLoopForPetriNet]: 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] [2023-12-09 15:04:30,791 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:04:30,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:04:30,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1623257102, now seen corresponding path program 1 times [2023-12-09 15:04:30,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:04:30,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151140857] [2023-12-09 15:04:30,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:04:30,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:04:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:04:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:04:31,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:04:31,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151140857] [2023-12-09 15:04:31,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151140857] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:04:31,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:04:31,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 15:04:31,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737895484] [2023-12-09 15:04:31,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:04:31,165 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 15:04:31,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:04:31,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 15:04:31,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 15:04:31,207 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 51 [2023-12-09 15:04:31,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 39 transitions, 81 flow. Second operand has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2023-12-09 15:04:31,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:04:31,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 51 [2023-12-09 15:04:31,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:04:31,297 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2023-12-09 15:04:31,297 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-12-09 15:04:31,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 37 events. 0/37 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2023-12-09 15:04:31,299 INFO L140 encePairwiseOnDemand]: 46/51 looper letters, 0 selfloop transitions, 0 changer transitions 37/37 dead transitions. [2023-12-09 15:04:31,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 37 transitions, 99 flow [2023-12-09 15:04:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-09 15:04:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-12-09 15:04:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 210 transitions. [2023-12-09 15:04:31,311 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.6862745098039216 [2023-12-09 15:04:31,311 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 210 transitions. [2023-12-09 15:04:31,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 210 transitions. [2023-12-09 15:04:31,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:04:31,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 210 transitions. [2023-12-09 15:04:31,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2023-12-09 15:04:31,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 51.0) internal successors, (357), 7 states have internal predecessors, (357), 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) [2023-12-09 15:04:31,322 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 51.0) internal successors, (357), 7 states have internal predecessors, (357), 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) [2023-12-09 15:04:31,324 INFO L308 CegarLoopForPetriNet]: 43 programPoint places, 3 predicate places. [2023-12-09 15:04:31,325 INFO L500 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 99 flow [2023-12-09 15:04:31,325 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2023-12-09 15:04:31,333 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/36-apron_16-traces-unprot2_true.i_BEv2_AllErrorsAtOnce [2023-12-09 15:04:31,360 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-09 15:04:31,360 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-12-09 15:04:31,360 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 15:04:31,361 INFO L457 BasicCegarLoop]: Path program histogram: [1] [2023-12-09 15:04:31,363 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:04:31,364 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:04:31,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:04:31 BasicIcfg [2023-12-09 15:04:31,369 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:04:31,369 INFO L158 Benchmark]: Toolchain (without parser) took 1537.57ms. Allocated memory is still 257.9MB. Free memory was 207.5MB in the beginning and 185.1MB in the end (delta: 22.4MB). Peak memory consumption was 23.3MB. Max. memory is 8.0GB. [2023-12-09 15:04:31,370 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:04:31,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.76ms. Allocated memory is still 257.9MB. Free memory was 207.3MB in the beginning and 188.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-09 15:04:31,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.21ms. Allocated memory is still 257.9MB. Free memory was 188.4MB in the beginning and 186.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:04:31,371 INFO L158 Benchmark]: Boogie Preprocessor took 25.95ms. Allocated memory is still 257.9MB. Free memory was 186.4MB in the beginning and 185.3MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-09 15:04:31,371 INFO L158 Benchmark]: RCFGBuilder took 355.94ms. Allocated memory is still 257.9MB. Free memory was 185.3MB in the beginning and 173.9MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-09 15:04:31,371 INFO L158 Benchmark]: TraceAbstraction took 755.39ms. Allocated memory is still 257.9MB. Free memory was 173.1MB in the beginning and 185.1MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:04:31,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 363.76ms. Allocated memory is still 257.9MB. Free memory was 207.3MB in the beginning and 188.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.21ms. Allocated memory is still 257.9MB. Free memory was 188.4MB in the beginning and 186.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.95ms. Allocated memory is still 257.9MB. Free memory was 186.4MB in the beginning and 185.3MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 355.94ms. Allocated memory is still 257.9MB. Free memory was 185.3MB in the beginning and 173.9MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 755.39ms. Allocated memory is still 257.9MB. Free memory was 173.1MB in the beginning and 185.1MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 56 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-09 15:04:31,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...