/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/pthread-wmm/mix039.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:37:49,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:37:49,293 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 01:37:49,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:37:49,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:37:49,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:37:49,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:37:49,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:37:49,314 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:37:49,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:37:49,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:37:49,314 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:37:49,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:37:49,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:37:49,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:37:49,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:37:49,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:37:49,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:37:49,315 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:37:49,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:37:49,315 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:37:49,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:37:49,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:37:49,316 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:37:49,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:37:49,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:49,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:37:49,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:37:49,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:37:49,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:37:49,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:37:49,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:37:49,317 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 01:37:49,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:37:49,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:37:49,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:37:49,595 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:37:49,595 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:37:49,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039.opt.i [2025-03-15 01:37:50,789 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3896f7e69/0374264e1de0404b90d7c193cbb17876/FLAGe8e57cfa3 [2025-03-15 01:37:51,049 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:37:51,049 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039.opt.i [2025-03-15 01:37:51,066 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3896f7e69/0374264e1de0404b90d7c193cbb17876/FLAGe8e57cfa3 [2025-03-15 01:37:51,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3896f7e69/0374264e1de0404b90d7c193cbb17876 [2025-03-15 01:37:51,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:37:51,383 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:37:51,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:51,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:37:51,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:37:51,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df6968b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51, skipping insertion in model container [2025-03-15 01:37:51,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:37:51,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:51,639 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:37:51,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:51,729 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:37:51,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51 WrapperNode [2025-03-15 01:37:51,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:51,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:51,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:37:51,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:37:51,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,787 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 141 [2025-03-15 01:37:51,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:51,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:37:51,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:37:51,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:37:51,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,811 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:37:51,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:37:51,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:37:51,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:37:51,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (1/1) ... [2025-03-15 01:37:51,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:51,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:37:51,861 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 01:37:51,866 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 01:37:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:37:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:37:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:37:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:37:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:37:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:37:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:37:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:37:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-15 01:37:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-15 01:37:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:37:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:37:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:37:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:37:51,887 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 01:37:52,001 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:37:52,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:37:52,224 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:37:52,225 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:37:52,336 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:37:52,336 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:37:52,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:52 BoogieIcfgContainer [2025-03-15 01:37:52,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:37:52,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:37:52,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:37:52,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:37:52,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:37:51" (1/3) ... [2025-03-15 01:37:52,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b6c18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:52, skipping insertion in model container [2025-03-15 01:37:52,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:51" (2/3) ... [2025-03-15 01:37:52,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b6c18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:52, skipping insertion in model container [2025-03-15 01:37:52,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:52" (3/3) ... [2025-03-15 01:37:52,347 INFO L128 eAbstractionObserver]: Analyzing ICFG mix039.opt.i [2025-03-15 01:37:52,357 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:37:52,358 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix039.opt.i that has 5 procedures, 136 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 01:37:52,359 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:37:52,413 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:37:52,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:37:52,464 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;@3123204d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:37:52,465 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:37:52,495 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:37:52,495 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2025-03-15 01:37:52,500 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:37:52,500 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:52,500 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, 1] [2025-03-15 01:37:52,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:37:52,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:52,507 INFO L85 PathProgramCache]: Analyzing trace with hash -327725022, now seen corresponding path program 1 times [2025-03-15 01:37:52,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:52,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400669489] [2025-03-15 01:37:52,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:52,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:52,773 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 01:37:52,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:52,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400669489] [2025-03-15 01:37:52,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400669489] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:52,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:52,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:37:52,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762422193] [2025-03-15 01:37:52,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:52,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:37:52,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:52,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:37:52,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:37:52,801 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:52,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 138 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 01:37:52,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:52,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:52,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:53,554 INFO L124 PetriNetUnfolderBase]: 2210/4087 cut-off events. [2025-03-15 01:37:53,554 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-15 01:37:53,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7392 conditions, 4087 events. 2210/4087 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 32534 event pairs, 1752 based on Foata normal form. 829/3519 useless extension candidates. Maximal degree in co-relation 7337. Up to 3146 conditions per place. [2025-03-15 01:37:53,616 INFO L140 encePairwiseOnDemand]: 122/138 looper letters, 29 selfloop transitions, 5 changer transitions 0/141 dead transitions. [2025-03-15 01:37:53,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 141 transitions, 371 flow [2025-03-15 01:37:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:37:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:37:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2025-03-15 01:37:53,626 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2025-03-15 01:37:53,628 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2025-03-15 01:37:53,629 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 371 flow [2025-03-15 01:37:53,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 01:37:53,629 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:53,629 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:37:53,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:37:53,629 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:37:53,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:53,630 INFO L85 PathProgramCache]: Analyzing trace with hash -2028034857, now seen corresponding path program 1 times [2025-03-15 01:37:53,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:53,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606134916] [2025-03-15 01:37:53,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:53,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:53,750 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 01:37:53,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:53,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606134916] [2025-03-15 01:37:53,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606134916] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:53,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:53,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:37:53,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235250667] [2025-03-15 01:37:53,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:53,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:37:53,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:53,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:37:53,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:37:53,753 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:53,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 371 flow. Second operand has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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 01:37:53,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:53,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:53,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:54,269 INFO L124 PetriNetUnfolderBase]: 1230/2660 cut-off events. [2025-03-15 01:37:54,269 INFO L125 PetriNetUnfolderBase]: For 200/450 co-relation queries the response was YES. [2025-03-15 01:37:54,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6635 conditions, 2660 events. 1230/2660 cut-off events. For 200/450 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 21511 event pairs, 463 based on Foata normal form. 12/2021 useless extension candidates. Maximal degree in co-relation 6577. Up to 1904 conditions per place. [2025-03-15 01:37:54,293 INFO L140 encePairwiseOnDemand]: 125/138 looper letters, 36 selfloop transitions, 13 changer transitions 0/156 dead transitions. [2025-03-15 01:37:54,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 156 transitions, 535 flow [2025-03-15 01:37:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:37:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:37:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 501 transitions. [2025-03-15 01:37:54,296 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.907608695652174 [2025-03-15 01:37:54,297 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -1 predicate places. [2025-03-15 01:37:54,297 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 156 transitions, 535 flow [2025-03-15 01:37:54,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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 01:37:54,298 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:54,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:37:54,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:37:54,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:37:54,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:54,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2028034858, now seen corresponding path program 1 times [2025-03-15 01:37:54,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:54,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004277305] [2025-03-15 01:37:54,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:54,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:54,396 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 01:37:54,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:54,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004277305] [2025-03-15 01:37:54,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004277305] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:54,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:54,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:37:54,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469086887] [2025-03-15 01:37:54,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:54,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:37:54,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:54,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:37:54,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:37:54,398 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:54,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 156 transitions, 535 flow. Second operand has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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 01:37:54,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:54,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:54,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:54,572 INFO L124 PetriNetUnfolderBase]: 472/1231 cut-off events. [2025-03-15 01:37:54,573 INFO L125 PetriNetUnfolderBase]: For 318/596 co-relation queries the response was YES. [2025-03-15 01:37:54,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3476 conditions, 1231 events. 472/1231 cut-off events. For 318/596 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8493 event pairs, 84 based on Foata normal form. 10/1095 useless extension candidates. Maximal degree in co-relation 3415. Up to 692 conditions per place. [2025-03-15 01:37:54,611 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 36 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2025-03-15 01:37:54,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 148 transitions, 569 flow [2025-03-15 01:37:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:37:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:37:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 482 transitions. [2025-03-15 01:37:54,615 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8731884057971014 [2025-03-15 01:37:54,615 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2025-03-15 01:37:54,615 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 148 transitions, 569 flow [2025-03-15 01:37:54,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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 01:37:54,616 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:54,616 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, 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 01:37:54,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:37:54,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:37:54,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:54,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1612183718, now seen corresponding path program 1 times [2025-03-15 01:37:54,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:54,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019183854] [2025-03-15 01:37:54,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:54,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:54,779 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 01:37:54,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:54,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019183854] [2025-03-15 01:37:54,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019183854] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:54,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:54,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:37:54,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498141605] [2025-03-15 01:37:54,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:54,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:37:54,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:54,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:37:54,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:37:54,781 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:54,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 148 transitions, 569 flow. Second operand has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 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 01:37:54,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:54,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:54,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:54,966 INFO L124 PetriNetUnfolderBase]: 334/991 cut-off events. [2025-03-15 01:37:54,966 INFO L125 PetriNetUnfolderBase]: For 623/1127 co-relation queries the response was YES. [2025-03-15 01:37:54,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3074 conditions, 991 events. 334/991 cut-off events. For 623/1127 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6443 event pairs, 51 based on Foata normal form. 26/973 useless extension candidates. Maximal degree in co-relation 3010. Up to 470 conditions per place. [2025-03-15 01:37:54,979 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 34 selfloop transitions, 13 changer transitions 4/158 dead transitions. [2025-03-15 01:37:54,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 158 transitions, 754 flow [2025-03-15 01:37:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:37:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:37:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 615 transitions. [2025-03-15 01:37:54,982 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8913043478260869 [2025-03-15 01:37:54,982 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, 2 predicate places. [2025-03-15 01:37:54,982 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 158 transitions, 754 flow [2025-03-15 01:37:54,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 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 01:37:54,983 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:54,983 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, 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 01:37:54,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:37:54,983 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:37:54,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:54,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1297767093, now seen corresponding path program 1 times [2025-03-15 01:37:54,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:54,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172248329] [2025-03-15 01:37:54,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:54,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:55,191 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 01:37:55,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:55,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172248329] [2025-03-15 01:37:55,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172248329] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:55,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:55,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:37:55,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006143788] [2025-03-15 01:37:55,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:55,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:37:55,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:55,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:37:55,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:37:55,193 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:55,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 158 transitions, 754 flow. Second operand has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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 01:37:55,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:55,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:55,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:55,362 INFO L124 PetriNetUnfolderBase]: 326/1038 cut-off events. [2025-03-15 01:37:55,363 INFO L125 PetriNetUnfolderBase]: For 739/1099 co-relation queries the response was YES. [2025-03-15 01:37:55,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3531 conditions, 1038 events. 326/1038 cut-off events. For 739/1099 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6781 event pairs, 34 based on Foata normal form. 20/1027 useless extension candidates. Maximal degree in co-relation 3464. Up to 450 conditions per place. [2025-03-15 01:37:55,367 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 0 selfloop transitions, 0 changer transitions 156/156 dead transitions. [2025-03-15 01:37:55,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 156 transitions, 832 flow [2025-03-15 01:37:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:37:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:37:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 725 transitions. [2025-03-15 01:37:55,370 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8756038647342995 [2025-03-15 01:37:55,371 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, 3 predicate places. [2025-03-15 01:37:55,371 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 156 transitions, 832 flow [2025-03-15 01:37:55,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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 01:37:55,379 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix039.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:37:55,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-03-15 01:37:55,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 01:37:55,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-15 01:37:55,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 01:37:55,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 01:37:55,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 01:37:55,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 01:37:55,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 01:37:55,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 01:37:55,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 01:37:55,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:37:55,399 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:37:55,404 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:37:55,404 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:37:55,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:37:55 BasicIcfg [2025-03-15 01:37:55,409 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:37:55,411 INFO L158 Benchmark]: Toolchain (without parser) took 4028.88ms. Allocated memory was 71.3MB in the beginning and 268.4MB in the end (delta: 197.1MB). Free memory was 43.2MB in the beginning and 74.9MB in the end (delta: -31.6MB). Peak memory consumption was 164.0MB. Max. memory is 8.0GB. [2025-03-15 01:37:55,412 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:37:55,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.55ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 20.4MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:37:55,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.24ms. Allocated memory is still 71.3MB. Free memory was 20.4MB in the beginning and 44.3MB in the end (delta: -23.9MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. [2025-03-15 01:37:55,412 INFO L158 Benchmark]: Boogie Preprocessor took 33.64ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 42.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:37:55,412 INFO L158 Benchmark]: RCFGBuilder took 511.05ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 32.4MB in the end (delta: 10.2MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2025-03-15 01:37:55,412 INFO L158 Benchmark]: TraceAbstraction took 3070.59ms. Allocated memory was 71.3MB in the beginning and 268.4MB in the end (delta: 197.1MB). Free memory was 31.2MB in the beginning and 74.9MB in the end (delta: -43.7MB). Peak memory consumption was 155.5MB. Max. memory is 8.0GB. [2025-03-15 01:37:55,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 345.55ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 20.4MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.24ms. Allocated memory is still 71.3MB. Free memory was 20.4MB in the beginning and 44.3MB in the end (delta: -23.9MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.64ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 42.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 511.05ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 32.4MB in the end (delta: 10.2MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3070.59ms. Allocated memory was 71.3MB in the beginning and 268.4MB in the end (delta: 197.1MB). Free memory was 31.2MB in the beginning and 74.9MB in the end (delta: -43.7MB). Peak memory consumption was 155.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: 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 9 procedures, 182 locations, 20 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: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 5 mSDtfsCounter, 279 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=832occurred in iteration=5, InterpolantAutomatonStates: 22, 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, 0.6s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:37:55,429 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...