/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/mix004.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:35:29,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:35:29,320 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 01:35:29,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:35:29,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:35:29,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:35:29,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:35:29,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:35:29,361 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:35:29,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:35:29,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:35:29,361 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:35:29,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:35:29,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:35:29,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:35:29,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:35:29,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:35:29,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:35:29,363 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:35:29,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:35:29,363 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:35:29,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:35:29,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:35:29,374 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:35:29,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:35:29,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:35:29,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:35:29,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:35:29,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:35:29,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:35:29,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:35:29,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:35:29,375 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 01:35:29,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:35:29,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:35:29,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:35:29,640 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:35:29,640 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:35:29,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix004.opt.i [2025-03-15 01:35:30,847 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bebefdad/4191cae86ad341198711b24b1c959833/FLAGdb1e9df3d [2025-03-15 01:35:31,107 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:35:31,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004.opt.i [2025-03-15 01:35:31,125 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bebefdad/4191cae86ad341198711b24b1c959833/FLAGdb1e9df3d [2025-03-15 01:35:31,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bebefdad/4191cae86ad341198711b24b1c959833 [2025-03-15 01:35:31,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:35:31,144 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:35:31,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:35:31,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:35:31,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:35:31,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e9ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31, skipping insertion in model container [2025-03-15 01:35:31,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:35:31,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:35:31,413 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:35:31,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:35:31,496 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:35:31,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31 WrapperNode [2025-03-15 01:35:31,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:35:31,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:35:31,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:35:31,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:35:31,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,554 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 158 [2025-03-15 01:35:31,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:35:31,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:35:31,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:35:31,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:35:31,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,573 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:35:31,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:35:31,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:35:31,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:35:31,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (1/1) ... [2025-03-15 01:35:31,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:35:31,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:35:31,627 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 01:35:31,630 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 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:35:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:35:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:35:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-15 01:35:31,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-15 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:35:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:35:31,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:35:31,655 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 01:35:31,760 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:35:31,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:35:32,036 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:35:32,036 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:35:32,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:35:32,175 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:35:32,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:35:32 BoogieIcfgContainer [2025-03-15 01:35:32,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:35:32,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:35:32,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:35:32,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:35:32,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:35:31" (1/3) ... [2025-03-15 01:35:32,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103c2669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:35:32, skipping insertion in model container [2025-03-15 01:35:32,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:31" (2/3) ... [2025-03-15 01:35:32,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103c2669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:35:32, skipping insertion in model container [2025-03-15 01:35:32,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:35:32" (3/3) ... [2025-03-15 01:35:32,197 INFO L128 eAbstractionObserver]: Analyzing ICFG mix004.opt.i [2025-03-15 01:35:32,209 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:35:32,211 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix004.opt.i that has 5 procedures, 137 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 01:35:32,211 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:35:32,268 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:35:32,304 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:35:32,316 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;@1f033582, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:35:32,316 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:35:32,350 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:35:32,351 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2025-03-15 01:35:32,353 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:35:32,354 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:32,354 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] [2025-03-15 01:35:32,356 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 01:35:32,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:32,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1003938149, now seen corresponding path program 1 times [2025-03-15 01:35:32,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:32,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498403038] [2025-03-15 01:35:32,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:32,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:32,630 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 01:35:32,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:32,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498403038] [2025-03-15 01:35:32,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498403038] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:32,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:32,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:35:32,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87748837] [2025-03-15 01:35:32,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:32,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:35:32,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:32,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:35:32,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:35:32,657 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2025-03-15 01:35:32,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 139 transitions, 294 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 01:35:32,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:32,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2025-03-15 01:35:32,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:33,486 INFO L124 PetriNetUnfolderBase]: 2548/4417 cut-off events. [2025-03-15 01:35:33,486 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-15 01:35:33,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8198 conditions, 4417 events. 2548/4417 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 33610 event pairs, 889 based on Foata normal form. 1034/3959 useless extension candidates. Maximal degree in co-relation 8142. Up to 3609 conditions per place. [2025-03-15 01:35:33,542 INFO L140 encePairwiseOnDemand]: 123/139 looper letters, 31 selfloop transitions, 5 changer transitions 0/143 dead transitions. [2025-03-15 01:35:33,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 143 transitions, 379 flow [2025-03-15 01:35:33,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:35:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:35:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2025-03-15 01:35:33,554 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9256594724220624 [2025-03-15 01:35:33,557 INFO L298 CegarLoopForPetriNet]: 149 programPoint places, -4 predicate places. [2025-03-15 01:35:33,557 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 143 transitions, 379 flow [2025-03-15 01:35:33,557 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 01:35:33,557 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:33,557 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] [2025-03-15 01:35:33,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:35:33,558 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:35:33,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:33,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1337915105, now seen corresponding path program 1 times [2025-03-15 01:35:33,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:33,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430914914] [2025-03-15 01:35:33,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:33,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:33,702 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 01:35:33,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:33,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430914914] [2025-03-15 01:35:33,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430914914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:33,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:33,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:35:33,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883244603] [2025-03-15 01:35:33,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:33,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:35:33,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:33,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:35:33,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:35:33,705 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2025-03-15 01:35:33,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 379 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 01:35:33,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:33,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2025-03-15 01:35:33,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:34,090 INFO L124 PetriNetUnfolderBase]: 1155/2196 cut-off events. [2025-03-15 01:35:34,090 INFO L125 PetriNetUnfolderBase]: For 209/543 co-relation queries the response was YES. [2025-03-15 01:35:34,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5637 conditions, 2196 events. 1155/2196 cut-off events. For 209/543 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 15544 event pairs, 777 based on Foata normal form. 6/1713 useless extension candidates. Maximal degree in co-relation 5578. Up to 1630 conditions per place. [2025-03-15 01:35:34,116 INFO L140 encePairwiseOnDemand]: 130/139 looper letters, 27 selfloop transitions, 5 changer transitions 0/139 dead transitions. [2025-03-15 01:35:34,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 139 transitions, 427 flow [2025-03-15 01:35:34,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:35:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:35:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 484 transitions. [2025-03-15 01:35:34,120 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8705035971223022 [2025-03-15 01:35:34,120 INFO L298 CegarLoopForPetriNet]: 149 programPoint places, -5 predicate places. [2025-03-15 01:35:34,120 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 139 transitions, 427 flow [2025-03-15 01:35:34,121 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 01:35:34,121 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:34,121 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] [2025-03-15 01:35:34,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:35:34,121 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:35:34,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:34,123 INFO L85 PathProgramCache]: Analyzing trace with hash -606126976, now seen corresponding path program 1 times [2025-03-15 01:35:34,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:34,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437418619] [2025-03-15 01:35:34,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:34,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:34,230 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 01:35:34,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:34,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437418619] [2025-03-15 01:35:34,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437418619] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:34,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:34,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:35:34,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506426709] [2025-03-15 01:35:34,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:34,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:35:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:34,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:35:34,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:35:34,233 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2025-03-15 01:35:34,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 139 transitions, 427 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 01:35:34,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:34,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2025-03-15 01:35:34,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:34,512 INFO L124 PetriNetUnfolderBase]: 571/1605 cut-off events. [2025-03-15 01:35:34,512 INFO L125 PetriNetUnfolderBase]: For 156/318 co-relation queries the response was YES. [2025-03-15 01:35:34,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4282 conditions, 1605 events. 571/1605 cut-off events. For 156/318 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 12111 event pairs, 57 based on Foata normal form. 8/1454 useless extension candidates. Maximal degree in co-relation 4220. Up to 823 conditions per place. [2025-03-15 01:35:34,526 INFO L140 encePairwiseOnDemand]: 130/139 looper letters, 35 selfloop transitions, 9 changer transitions 0/151 dead transitions. [2025-03-15 01:35:34,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 151 transitions, 593 flow [2025-03-15 01:35:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:35:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:35:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 496 transitions. [2025-03-15 01:35:34,528 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8920863309352518 [2025-03-15 01:35:34,529 INFO L298 CegarLoopForPetriNet]: 149 programPoint places, -2 predicate places. [2025-03-15 01:35:34,529 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 151 transitions, 593 flow [2025-03-15 01:35:34,529 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 01:35:34,529 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:34,529 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] [2025-03-15 01:35:34,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:35:34,530 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 01:35:34,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:34,530 INFO L85 PathProgramCache]: Analyzing trace with hash 514904436, now seen corresponding path program 1 times [2025-03-15 01:35:34,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:34,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96739544] [2025-03-15 01:35:34,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:34,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:34,712 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 01:35:34,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:34,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96739544] [2025-03-15 01:35:34,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96739544] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:34,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:34,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:35:34,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641684063] [2025-03-15 01:35:34,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:34,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:35:34,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:34,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:35:34,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:35:34,714 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2025-03-15 01:35:34,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 151 transitions, 593 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 01:35:34,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:34,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2025-03-15 01:35:34,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:34,943 INFO L124 PetriNetUnfolderBase]: 418/1092 cut-off events. [2025-03-15 01:35:34,943 INFO L125 PetriNetUnfolderBase]: For 649/1437 co-relation queries the response was YES. [2025-03-15 01:35:34,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3655 conditions, 1092 events. 418/1092 cut-off events. For 649/1437 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 7087 event pairs, 54 based on Foata normal form. 22/1053 useless extension candidates. Maximal degree in co-relation 3590. Up to 577 conditions per place. [2025-03-15 01:35:34,953 INFO L140 encePairwiseOnDemand]: 130/139 looper letters, 38 selfloop transitions, 13 changer transitions 4/162 dead transitions. [2025-03-15 01:35:34,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 162 transitions, 794 flow [2025-03-15 01:35:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:35:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:35:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 619 transitions. [2025-03-15 01:35:34,955 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8906474820143885 [2025-03-15 01:35:34,956 INFO L298 CegarLoopForPetriNet]: 149 programPoint places, 2 predicate places. [2025-03-15 01:35:34,956 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 162 transitions, 794 flow [2025-03-15 01:35:34,956 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 01:35:34,956 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:34,956 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, 1] [2025-03-15 01:35:34,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:35:34,956 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 01:35:34,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:34,957 INFO L85 PathProgramCache]: Analyzing trace with hash 469898960, now seen corresponding path program 1 times [2025-03-15 01:35:34,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:34,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868513554] [2025-03-15 01:35:34,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:34,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:35,193 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 01:35:35,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:35,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868513554] [2025-03-15 01:35:35,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868513554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:35,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:35,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:35:35,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507653977] [2025-03-15 01:35:35,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:35,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:35:35,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:35,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:35:35,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:35:35,195 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2025-03-15 01:35:35,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 162 transitions, 794 flow. Second operand has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 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 01:35:35,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:35,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2025-03-15 01:35:35,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:35,409 INFO L124 PetriNetUnfolderBase]: 410/1049 cut-off events. [2025-03-15 01:35:35,409 INFO L125 PetriNetUnfolderBase]: For 955/1629 co-relation queries the response was YES. [2025-03-15 01:35:35,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4142 conditions, 1049 events. 410/1049 cut-off events. For 955/1629 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6618 event pairs, 72 based on Foata normal form. 14/1032 useless extension candidates. Maximal degree in co-relation 4074. Up to 557 conditions per place. [2025-03-15 01:35:35,413 INFO L140 encePairwiseOnDemand]: 130/139 looper letters, 0 selfloop transitions, 0 changer transitions 160/160 dead transitions. [2025-03-15 01:35:35,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 160 transitions, 880 flow [2025-03-15 01:35:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:35:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:35:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 729 transitions. [2025-03-15 01:35:35,418 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8741007194244604 [2025-03-15 01:35:35,419 INFO L298 CegarLoopForPetriNet]: 149 programPoint places, 3 predicate places. [2025-03-15 01:35:35,419 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 160 transitions, 880 flow [2025-03-15 01:35:35,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 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 01:35:35,426 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix004.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:35:35,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 01:35:35,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-15 01:35:35,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 01:35:35,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 01:35:35,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 01:35:35,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 01:35:35,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 01:35:35,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 01:35:35,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 01:35:35,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:35:35,447 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:35:35,452 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:35:35,452 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:35:35,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:35:35 BasicIcfg [2025-03-15 01:35:35,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:35:35,459 INFO L158 Benchmark]: Toolchain (without parser) took 4313.30ms. Allocated memory was 71.3MB in the beginning and 314.6MB in the end (delta: 243.3MB). Free memory was 42.1MB in the beginning and 187.6MB in the end (delta: -145.5MB). Peak memory consumption was 239.6MB. Max. memory is 8.0GB. [2025-03-15 01:35:35,459 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 71.3MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:35:35,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.07ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 17.9MB in the end (delta: 24.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:35:35,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.15ms. Allocated memory is still 71.3MB. Free memory was 17.9MB in the beginning and 41.7MB in the end (delta: -23.7MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2025-03-15 01:35:35,460 INFO L158 Benchmark]: Boogie Preprocessor took 36.13ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 40.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:35:35,460 INFO L158 Benchmark]: RCFGBuilder took 583.92ms. Allocated memory is still 71.3MB. Free memory was 39.8MB in the beginning and 19.1MB in the end (delta: 20.7MB). Peak memory consumption was 27.7MB. Max. memory is 8.0GB. [2025-03-15 01:35:35,460 INFO L158 Benchmark]: TraceAbstraction took 3280.29ms. Allocated memory was 71.3MB in the beginning and 314.6MB in the end (delta: 243.3MB). Free memory was 18.3MB in the beginning and 187.6MB in the end (delta: -169.3MB). Peak memory consumption was 218.6MB. Max. memory is 8.0GB. [2025-03-15 01:35:35,461 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 36.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 351.07ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 17.9MB in the end (delta: 24.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.15ms. Allocated memory is still 71.3MB. Free memory was 17.9MB in the beginning and 41.7MB in the end (delta: -23.7MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.13ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 40.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 583.92ms. Allocated memory is still 71.3MB. Free memory was 39.8MB in the beginning and 19.1MB in the end (delta: 20.7MB). Peak memory consumption was 27.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3280.29ms. Allocated memory was 71.3MB in the beginning and 314.6MB in the end (delta: 243.3MB). Free memory was 18.3MB in the beginning and 187.6MB in the end (delta: -169.3MB). Peak memory consumption was 218.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 810]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 810]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: 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, 183 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: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 283 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 5 mSDtfsCounter, 283 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=880occurred 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, 0.7s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 951 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 01:35:35,480 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...