/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.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.positions.where.we.compute.the.hoare.annotation All -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-14 21:49:31,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 21:49:31,218 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 [2025-03-14 21:49:31,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 21:49:31,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 21:49:31,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 21:49:31,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 21:49:31,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 21:49:31,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 21:49:31,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 21:49:31,240 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 21:49:31,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 21:49:31,240 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 21:49:31,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-14 21:49:31,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 21:49:31,241 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-14 21:49:31,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 21:49:31,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 21:49:31,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 21:49:31,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 21:49:31,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 21:49:31,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 21:49:31,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 21:49:31,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 21:49:31,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All [2025-03-14 21:49:31,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 21:49:31,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 21:49:31,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 21:49:31,467 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 21:49:31,467 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 21:49:31,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2025-03-14 21:49:32,630 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46fbbbae/1dd72578775f4386860a841f2f756250/FLAG9465aaf57 [2025-03-14 21:49:32,826 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 21:49:32,826 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2025-03-14 21:49:32,841 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46fbbbae/1dd72578775f4386860a841f2f756250/FLAG9465aaf57 [2025-03-14 21:49:32,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46fbbbae/1dd72578775f4386860a841f2f756250 [2025-03-14 21:49:32,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 21:49:32,859 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-14 21:49:32,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 21:49:32,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 21:49:32,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 21:49:32,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 09:49:32" (1/1) ... [2025-03-14 21:49:32,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c02d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:32, skipping insertion in model container [2025-03-14 21:49:32,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 09:49:32" (1/1) ... [2025-03-14 21:49:32,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 21:49:33,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i[1094,1107] [2025-03-14 21:49:33,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 21:49:33,112 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 21:49:33,122 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i[1094,1107] [2025-03-14 21:49:33,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 21:49:33,167 INFO L204 MainTranslator]: Completed translation [2025-03-14 21:49:33,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33 WrapperNode [2025-03-14 21:49:33,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 21:49:33,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 21:49:33,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 21:49:33,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 21:49:33,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,201 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2025-03-14 21:49:33,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 21:49:33,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 21:49:33,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 21:49:33,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 21:49:33,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,214 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 21:49:33,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-14 21:49:33,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-14 21:49:33,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-14 21:49:33,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (1/1) ... [2025-03-14 21:49:33,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 21:49:33,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 21:49:33,257 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) [2025-03-14 21:49:33,271 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 [2025-03-14 21:49:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-14 21:49:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 21:49:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-14 21:49:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-14 21:49:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 21:49:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-14 21:49:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 21:49:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 21:49:33,293 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 21:49:33,381 INFO L234 CfgBuilder]: Building ICFG [2025-03-14 21:49:33,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 21:49:33,479 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 21:49:33,479 INFO L283 CfgBuilder]: Performing block encoding [2025-03-14 21:49:33,504 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 21:49:33,504 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 21:49:33,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 09:49:33 BoogieIcfgContainer [2025-03-14 21:49:33,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-14 21:49:33,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 21:49:33,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 21:49:33,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 21:49:33,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 09:49:32" (1/3) ... [2025-03-14 21:49:33,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9e24e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 09:49:33, skipping insertion in model container [2025-03-14 21:49:33,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:33" (2/3) ... [2025-03-14 21:49:33,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9e24e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 09:49:33, skipping insertion in model container [2025-03-14 21:49:33,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 09:49:33" (3/3) ... [2025-03-14 21:49:33,513 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2025-03-14 21:49:33,523 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 21:49:33,524 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_true.i that has 2 procedures, 76 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-14 21:49:33,525 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 21:49:33,564 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-14 21:49:33,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 21:49:33,601 INFO L333 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=All, 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;@41f54103, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 21:49:33,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-14 21:49:33,621 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 21:49:33,622 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2025-03-14 21:49:33,623 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 21:49:33,623 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:49:33,623 INFO L221 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] [2025-03-14 21:49:33,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-14 21:49:33,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:49:33,633 INFO L85 PathProgramCache]: Analyzing trace with hash 424109095, now seen corresponding path program 1 times [2025-03-14 21:49:33,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:49:33,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804070256] [2025-03-14 21:49:33,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:49:33,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:49:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:49:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:49:34,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:49:34,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804070256] [2025-03-14 21:49:34,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804070256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:49:34,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:49:34,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 21:49:34,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907628293] [2025-03-14 21:49:34,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:49:34,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 21:49:34,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:49:34,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 21:49:34,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-14 21:49:34,036 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 77 [2025-03-14 21:49:34,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 77 transitions, 161 flow. Second operand has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 21:49:34,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:49:34,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 77 [2025-03-14 21:49:34,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:49:34,160 INFO L124 PetriNetUnfolderBase]: 18/136 cut-off events. [2025-03-14 21:49:34,161 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-14 21:49:34,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 136 events. 18/136 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 269 event pairs, 10 based on Foata normal form. 3/136 useless extension candidates. Maximal degree in co-relation 144. Up to 31 conditions per place. [2025-03-14 21:49:34,165 INFO L140 encePairwiseOnDemand]: 68/77 looper letters, 12 selfloop transitions, 6 changer transitions 12/72 dead transitions. [2025-03-14 21:49:34,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 72 transitions, 194 flow [2025-03-14 21:49:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 21:49:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 21:49:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 284 transitions. [2025-03-14 21:49:34,174 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7376623376623377 [2025-03-14 21:49:34,183 INFO L298 CegarLoopForPetriNet]: 79 programPoint places, -1 predicate places. [2025-03-14 21:49:34,183 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 72 transitions, 194 flow [2025-03-14 21:49:34,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 21:49:34,183 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:49:34,183 INFO L221 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 21:49:34,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 21:49:34,183 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-14 21:49:34,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:49:34,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1047873344, now seen corresponding path program 1 times [2025-03-14 21:49:34,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:49:34,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056123657] [2025-03-14 21:49:34,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:49:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:49:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:49:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:49:34,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:49:34,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056123657] [2025-03-14 21:49:34,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056123657] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:49:34,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:49:34,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 21:49:34,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734042548] [2025-03-14 21:49:34,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:49:34,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 21:49:34,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:49:34,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 21:49:34,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-14 21:49:34,319 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 77 [2025-03-14 21:49:34,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 72 transitions, 194 flow. Second operand has 5 states, 5 states have (on average 54.4) internal successors, (272), 5 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 21:49:34,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:49:34,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 77 [2025-03-14 21:49:34,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:49:34,425 INFO L124 PetriNetUnfolderBase]: 28/140 cut-off events. [2025-03-14 21:49:34,425 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2025-03-14 21:49:34,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 140 events. 28/140 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 309 event pairs, 10 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 230. Up to 32 conditions per place. [2025-03-14 21:49:34,426 INFO L140 encePairwiseOnDemand]: 70/77 looper letters, 0 selfloop transitions, 0 changer transitions 74/74 dead transitions. [2025-03-14 21:49:34,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 74 transitions, 258 flow [2025-03-14 21:49:34,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 21:49:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 21:49:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 287 transitions. [2025-03-14 21:49:34,428 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7454545454545455 [2025-03-14 21:49:34,429 INFO L298 CegarLoopForPetriNet]: 79 programPoint places, 1 predicate places. [2025-03-14 21:49:34,429 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 74 transitions, 258 flow [2025-03-14 21:49:34,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 5 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 21:49:34,436 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_19-publish-precision_true.i_petrified1_AllErrorsAtOnce [2025-03-14 21:49:34,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-03-14 21:49:34,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-03-14 21:49:34,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2025-03-14 21:49:34,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2025-03-14 21:49:34,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 21:49:34,453 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-14 21:49:34,458 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 21:49:34,458 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 21:49:34,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 09:49:34 BasicIcfg [2025-03-14 21:49:34,463 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 21:49:34,463 INFO L158 Benchmark]: Toolchain (without parser) took 1605.66ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.2MB in the beginning and 27.8MB in the end (delta: 14.4MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. [2025-03-14 21:49:34,463 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:49:34,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.11ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 22.6MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-14 21:49:34,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.23ms. Allocated memory is still 71.3MB. Free memory was 22.6MB in the beginning and 20.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-14 21:49:34,464 INFO L158 Benchmark]: Boogie Preprocessor took 22.32ms. Allocated memory is still 71.3MB. Free memory was 20.8MB in the beginning and 19.8MB in the end (delta: 965.7kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:49:34,464 INFO L158 Benchmark]: RCFGBuilder took 278.90ms. Allocated memory is still 71.3MB. Free memory was 19.8MB in the beginning and 32.5MB in the end (delta: -12.7MB). Peak memory consumption was 2.8MB. Max. memory is 8.0GB. [2025-03-14 21:49:34,464 INFO L158 Benchmark]: TraceAbstraction took 956.70ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.4MB in the beginning and 27.8MB in the end (delta: 3.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-14 21:49:34,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 308.11ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 22.6MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.23ms. Allocated memory is still 71.3MB. Free memory was 22.6MB in the beginning and 20.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.32ms. Allocated memory is still 71.3MB. Free memory was 20.8MB in the beginning and 19.8MB in the end (delta: 965.7kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 278.90ms. Allocated memory is still 71.3MB. Free memory was 19.8MB in the beginning and 32.5MB in the end (delta: -12.7MB). Peak memory consumption was 2.8MB. Max. memory is 8.0GB. * TraceAbstraction took 956.70ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.4MB in the beginning and 27.8MB in the end (delta: 3.6MB). Peak memory consumption was 21.0MB. 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 - 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, 104 locations, 4 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=2, InterpolantAutomatonStates: 10, 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, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 21:49:34,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...