/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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows ASSERTandASSUME -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:54:42,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:54:42,756 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 [2025-03-15 01:54:42,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:54:42,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:54:42,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:54:42,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:54:42,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:54:42,806 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:54:42,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:54:42,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:54:42,806 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:54:42,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:54:42,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:54:42,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:54:42,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:42,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:54:42,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:54:42,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:54:42,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:54:42,808 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> ASSERTandASSUME [2025-03-15 01:54:43,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:54:43,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:54:43,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:54:43,092 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:54:43,092 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:54:43,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i [2025-03-15 01:54:44,260 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43454aca/128ad14dd20b4f20930f641f5213f252/FLAG285f43d0b [2025-03-15 01:54:44,477 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:54:44,477 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i [2025-03-15 01:54:44,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43454aca/128ad14dd20b4f20930f641f5213f252/FLAG285f43d0b [2025-03-15 01:54:44,842 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43454aca/128ad14dd20b4f20930f641f5213f252 [2025-03-15 01:54:44,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:54:44,844 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:54:44,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:44,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:54:44,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:54:44,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:44" (1/1) ... [2025-03-15 01:54:44,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55467b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:44, skipping insertion in model container [2025-03-15 01:54:44,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:44" (1/1) ... [2025-03-15 01:54:44,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:54:45,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:45,049 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:54:45,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:45,108 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:54:45,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45 WrapperNode [2025-03-15 01:54:45,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:45,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:45,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:54:45,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:54:45,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,139 INFO L138 Inliner]: procedures = 162, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2025-03-15 01:54:45,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:45,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:54:45,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:54:45,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:54:45,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,155 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:54:45,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:54:45,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:54:45,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:54:45,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (1/1) ... [2025-03-15 01:54:45,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:45,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:45,199 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) [2025-03-15 01:54:45,204 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 [2025-03-15 01:54:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:54:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:54:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:54:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:54:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:54:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:54:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:54:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:54:45,240 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:54:45,335 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:54:45,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:54:45,449 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:54:45,449 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:54:45,462 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:54:45,463 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:54:45,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:45 BoogieIcfgContainer [2025-03-15 01:54:45,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:54:45,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:54:45,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:54:45,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:54:45,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:54:44" (1/3) ... [2025-03-15 01:54:45,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b34141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:45, skipping insertion in model container [2025-03-15 01:54:45,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:45" (2/3) ... [2025-03-15 01:54:45,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b34141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:45, skipping insertion in model container [2025-03-15 01:54:45,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:45" (3/3) ... [2025-03-15 01:54:45,471 INFO L128 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_04-fld_nr.i [2025-03-15 01:54:45,481 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:54:45,482 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 05-lval_ls_04-fld_nr.i that has 2 procedures, 57 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 01:54:45,482 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:54:45,518 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:54:45,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:54:45,560 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;@1e478dc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:54:45,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-15 01:54:45,588 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:54:45,589 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-03-15 01:54:45,590 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:54:45,591 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:45,591 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] [2025-03-15 01:54:45,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:45,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash -486277996, now seen corresponding path program 1 times [2025-03-15 01:54:45,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:45,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775360183] [2025-03-15 01:54:45,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:45,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:45,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775360183] [2025-03-15 01:54:45,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775360183] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:45,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:45,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:45,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947855804] [2025-03-15 01:54:45,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:45,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:45,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:45,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:45,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:45,936 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 56 [2025-03-15 01:54:45,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2025-03-15 01:54:45,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:45,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 56 [2025-03-15 01:54:45,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:46,062 INFO L124 PetriNetUnfolderBase]: 34/178 cut-off events. [2025-03-15 01:54:46,062 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 01:54:46,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 178 events. 34/178 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 689 event pairs, 9 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 239. Up to 45 conditions per place. [2025-03-15 01:54:46,067 INFO L140 encePairwiseOnDemand]: 49/56 looper letters, 19 selfloop transitions, 5 changer transitions 10/74 dead transitions. [2025-03-15 01:54:46,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 74 transitions, 219 flow [2025-03-15 01:54:46,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 243 transitions. [2025-03-15 01:54:46,080 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8678571428571429 [2025-03-15 01:54:46,082 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 3 predicate places. [2025-03-15 01:54:46,082 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 74 transitions, 219 flow [2025-03-15 01:54:46,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2025-03-15 01:54:46,082 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:46,083 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] [2025-03-15 01:54:46,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:54:46,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:46,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:46,083 INFO L85 PathProgramCache]: Analyzing trace with hash 695604900, now seen corresponding path program 1 times [2025-03-15 01:54:46,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:46,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494491747] [2025-03-15 01:54:46,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:46,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:46,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:46,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494491747] [2025-03-15 01:54:46,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494491747] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:46,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:46,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:46,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333427422] [2025-03-15 01:54:46,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:46,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:46,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:46,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:46,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:46,196 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 56 [2025-03-15 01:54:46,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 74 transitions, 219 flow. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 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) [2025-03-15 01:54:46,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:46,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 56 [2025-03-15 01:54:46,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:46,308 INFO L124 PetriNetUnfolderBase]: 63/254 cut-off events. [2025-03-15 01:54:46,309 INFO L125 PetriNetUnfolderBase]: For 41/51 co-relation queries the response was YES. [2025-03-15 01:54:46,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 254 events. 63/254 cut-off events. For 41/51 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1160 event pairs, 16 based on Foata normal form. 4/249 useless extension candidates. Maximal degree in co-relation 483. Up to 81 conditions per place. [2025-03-15 01:54:46,310 INFO L140 encePairwiseOnDemand]: 49/56 looper letters, 23 selfloop transitions, 5 changer transitions 22/89 dead transitions. [2025-03-15 01:54:46,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 89 transitions, 361 flow [2025-03-15 01:54:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 235 transitions. [2025-03-15 01:54:46,312 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8392857142857143 [2025-03-15 01:54:46,312 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2025-03-15 01:54:46,313 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 89 transitions, 361 flow [2025-03-15 01:54:46,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 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) [2025-03-15 01:54:46,314 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:46,314 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] [2025-03-15 01:54:46,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:54:46,315 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:46,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:46,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1172649698, now seen corresponding path program 1 times [2025-03-15 01:54:46,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:46,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872177879] [2025-03-15 01:54:46,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:46,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:46,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:46,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872177879] [2025-03-15 01:54:46,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872177879] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:46,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:46,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:46,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468754420] [2025-03-15 01:54:46,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:46,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:54:46,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:46,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:54:46,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:54:46,429 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 56 [2025-03-15 01:54:46,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 89 transitions, 361 flow. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2025-03-15 01:54:46,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:46,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 56 [2025-03-15 01:54:46,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:46,475 INFO L124 PetriNetUnfolderBase]: 5/89 cut-off events. [2025-03-15 01:54:46,476 INFO L125 PetriNetUnfolderBase]: For 51/55 co-relation queries the response was YES. [2025-03-15 01:54:46,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 89 events. 5/89 cut-off events. For 51/55 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 149 event pairs, 3 based on Foata normal form. 12/94 useless extension candidates. Maximal degree in co-relation 141. Up to 27 conditions per place. [2025-03-15 01:54:46,476 INFO L140 encePairwiseOnDemand]: 52/56 looper letters, 14 selfloop transitions, 6 changer transitions 5/67 dead transitions. [2025-03-15 01:54:46,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 67 transitions, 277 flow [2025-03-15 01:54:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:54:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:54:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 134 transitions. [2025-03-15 01:54:46,485 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7976190476190477 [2025-03-15 01:54:46,485 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 9 predicate places. [2025-03-15 01:54:46,485 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 67 transitions, 277 flow [2025-03-15 01:54:46,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2025-03-15 01:54:46,486 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:46,486 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] [2025-03-15 01:54:46,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:54:46,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:46,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:46,486 INFO L85 PathProgramCache]: Analyzing trace with hash -705251497, now seen corresponding path program 1 times [2025-03-15 01:54:46,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:46,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581633772] [2025-03-15 01:54:46,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:46,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:46,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581633772] [2025-03-15 01:54:46,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581633772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:46,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:46,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:54:46,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80758246] [2025-03-15 01:54:46,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:46,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:46,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:46,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:46,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:54:46,592 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:54:46,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 67 transitions, 277 flow. Second operand has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 6 states have internal predecessors, (217), 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) [2025-03-15 01:54:46,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:46,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:54:46,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:46,706 INFO L124 PetriNetUnfolderBase]: 9/100 cut-off events. [2025-03-15 01:54:46,707 INFO L125 PetriNetUnfolderBase]: For 57/62 co-relation queries the response was YES. [2025-03-15 01:54:46,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 100 events. 9/100 cut-off events. For 57/62 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 231 event pairs, 9 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 208. Up to 32 conditions per place. [2025-03-15 01:54:46,707 INFO L140 encePairwiseOnDemand]: 48/56 looper letters, 21 selfloop transitions, 6 changer transitions 9/69 dead transitions. [2025-03-15 01:54:46,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 69 transitions, 365 flow [2025-03-15 01:54:46,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:54:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:54:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 275 transitions. [2025-03-15 01:54:46,709 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.701530612244898 [2025-03-15 01:54:46,710 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 14 predicate places. [2025-03-15 01:54:46,710 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 69 transitions, 365 flow [2025-03-15 01:54:46,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 6 states have internal predecessors, (217), 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) [2025-03-15 01:54:46,710 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:46,710 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] [2025-03-15 01:54:46,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:54:46,710 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:46,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:46,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1818079683, now seen corresponding path program 1 times [2025-03-15 01:54:46,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:46,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131071903] [2025-03-15 01:54:46,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:46,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:46,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:46,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:46,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131071903] [2025-03-15 01:54:46,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131071903] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:46,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:46,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:54:46,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394762934] [2025-03-15 01:54:46,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:46,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:46,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:46,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:46,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:54:46,821 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:54:46,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 69 transitions, 365 flow. Second operand has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 6 states have internal predecessors, (217), 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) [2025-03-15 01:54:46,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:46,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:54:46,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:46,917 INFO L124 PetriNetUnfolderBase]: 8/97 cut-off events. [2025-03-15 01:54:46,918 INFO L125 PetriNetUnfolderBase]: For 96/105 co-relation queries the response was YES. [2025-03-15 01:54:46,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 97 events. 8/97 cut-off events. For 96/105 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 198 event pairs, 3 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 247. Up to 31 conditions per place. [2025-03-15 01:54:46,918 INFO L140 encePairwiseOnDemand]: 48/56 looper letters, 21 selfloop transitions, 6 changer transitions 9/69 dead transitions. [2025-03-15 01:54:46,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 69 transitions, 437 flow [2025-03-15 01:54:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:54:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:54:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 275 transitions. [2025-03-15 01:54:46,919 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.701530612244898 [2025-03-15 01:54:46,920 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 19 predicate places. [2025-03-15 01:54:46,920 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 69 transitions, 437 flow [2025-03-15 01:54:46,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 6 states have internal predecessors, (217), 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) [2025-03-15 01:54:46,920 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:46,920 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] [2025-03-15 01:54:46,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:54:46,921 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:46,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:46,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1407550276, now seen corresponding path program 1 times [2025-03-15 01:54:46,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:46,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635498345] [2025-03-15 01:54:46,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:46,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:47,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:47,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635498345] [2025-03-15 01:54:47,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635498345] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:47,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:47,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:54:47,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615677303] [2025-03-15 01:54:47,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:47,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:47,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:47,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:47,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:54:47,016 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:54:47,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 69 transitions, 437 flow. Second operand has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 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) [2025-03-15 01:54:47,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:47,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:54:47,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:47,081 INFO L124 PetriNetUnfolderBase]: 8/96 cut-off events. [2025-03-15 01:54:47,081 INFO L125 PetriNetUnfolderBase]: For 150/163 co-relation queries the response was YES. [2025-03-15 01:54:47,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 96 events. 8/96 cut-off events. For 150/163 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 194 event pairs, 3 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 290. Up to 31 conditions per place. [2025-03-15 01:54:47,082 INFO L140 encePairwiseOnDemand]: 48/56 looper letters, 12 selfloop transitions, 4 changer transitions 22/68 dead transitions. [2025-03-15 01:54:47,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 68 transitions, 499 flow [2025-03-15 01:54:47,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:54:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:54:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 338 transitions. [2025-03-15 01:54:47,083 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6706349206349206 [2025-03-15 01:54:47,083 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 26 predicate places. [2025-03-15 01:54:47,084 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 68 transitions, 499 flow [2025-03-15 01:54:47,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 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) [2025-03-15 01:54:47,084 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:47,084 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] [2025-03-15 01:54:47,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:54:47,084 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:47,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:47,085 INFO L85 PathProgramCache]: Analyzing trace with hash 261380288, now seen corresponding path program 1 times [2025-03-15 01:54:47,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:47,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540890818] [2025-03-15 01:54:47,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:47,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:47,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:47,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540890818] [2025-03-15 01:54:47,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540890818] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:47,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:47,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:54:47,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163247778] [2025-03-15 01:54:47,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:47,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:47,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:47,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:47,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:54:47,189 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:54:47,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 68 transitions, 499 flow. Second operand has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 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) [2025-03-15 01:54:47,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:47,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:54:47,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:47,254 INFO L124 PetriNetUnfolderBase]: 7/93 cut-off events. [2025-03-15 01:54:47,254 INFO L125 PetriNetUnfolderBase]: For 217/234 co-relation queries the response was YES. [2025-03-15 01:54:47,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 93 events. 7/93 cut-off events. For 217/234 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 177 event pairs, 1 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 319. Up to 29 conditions per place. [2025-03-15 01:54:47,254 INFO L140 encePairwiseOnDemand]: 48/56 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2025-03-15 01:54:47,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 69 transitions, 581 flow [2025-03-15 01:54:47,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:54:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:54:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 340 transitions. [2025-03-15 01:54:47,257 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6746031746031746 [2025-03-15 01:54:47,259 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 33 predicate places. [2025-03-15 01:54:47,259 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 69 transitions, 581 flow [2025-03-15 01:54:47,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 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) [2025-03-15 01:54:47,264 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/05-lval_ls_04-fld_nr.i_petrified1_AllErrorsAtOnce [2025-03-15 01:54:47,285 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2025-03-15 01:54:47,285 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2025-03-15 01:54:47,285 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-15 01:54:47,285 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2025-03-15 01:54:47,285 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2025-03-15 01:54:47,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2025-03-15 01:54:47,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2025-03-15 01:54:47,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:54:47,286 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:47,290 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:54:47,290 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:54:47,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:54:47 BasicIcfg [2025-03-15 01:54:47,294 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:54:47,294 INFO L158 Benchmark]: Toolchain (without parser) took 2449.91ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 34.2MB in the end (delta: 8.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2025-03-15 01:54:47,294 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 71.3MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:54:47,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.44ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 23.5MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:54:47,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.85ms. Allocated memory is still 71.3MB. Free memory was 23.5MB in the beginning and 22.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:54:47,295 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 71.3MB. Free memory was 22.0MB in the beginning and 21.0MB in the end (delta: 963.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:54:47,295 INFO L158 Benchmark]: RCFGBuilder took 299.78ms. Allocated memory is still 71.3MB. Free memory was 20.8MB in the beginning and 35.0MB in the end (delta: -14.2MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2025-03-15 01:54:47,295 INFO L158 Benchmark]: TraceAbstraction took 1828.15ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 34.0MB in the beginning and 34.2MB in the end (delta: -125.9kB). Peak memory consumption was 17.0MB. Max. memory is 8.0GB. [2025-03-15 01:54:47,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 71.3MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 263.44ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 23.5MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.85ms. Allocated memory is still 71.3MB. Free memory was 23.5MB in the beginning and 22.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 71.3MB. Free memory was 22.0MB in the beginning and 21.0MB in the end (delta: 963.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 299.78ms. Allocated memory is still 71.3MB. Free memory was 20.8MB in the beginning and 35.0MB in the end (delta: -14.2MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1828.15ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 34.0MB in the beginning and 34.2MB in the end (delta: -125.9kB). Peak memory consumption was 17.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 686]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 686]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 73 locations, 7 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: 1.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 366 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 62 mSDtfsCounter, 366 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=581occurred in iteration=7, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:54:47,312 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...