/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/mix027_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:37:19,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:37:19,096 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 01:37:19,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:37:19,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:37:19,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:37:19,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:37:19,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:37:19,125 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:37:19,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:37:19,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:37:19,126 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:37:19,127 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:37:19,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:37:19,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:37:19,128 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:37:19,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:37:19,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:19,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:37:19,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:37:19,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:37:19,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:37:19,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:37:19,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:37:19,129 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 01:37:19,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:37:19,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:37:19,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:37:19,410 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:37:19,411 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:37:19,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix027_power.opt_pso.opt_rmo.opt.i [2025-03-15 01:37:20,649 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0271988be/d2ad99b7aecd4300a97f431e13da02d2/FLAG1cc35d697 [2025-03-15 01:37:20,879 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:37:20,880 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix027_power.opt_pso.opt_rmo.opt.i [2025-03-15 01:37:20,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0271988be/d2ad99b7aecd4300a97f431e13da02d2/FLAG1cc35d697 [2025-03-15 01:37:20,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0271988be/d2ad99b7aecd4300a97f431e13da02d2 [2025-03-15 01:37:20,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:37:20,914 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:37:20,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:20,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:37:20,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:37:20,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:20" (1/1) ... [2025-03-15 01:37:20,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dad524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:20, skipping insertion in model container [2025-03-15 01:37:20,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:20" (1/1) ... [2025-03-15 01:37:20,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:37:21,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:21,179 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:37:21,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:21,278 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:37:21,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21 WrapperNode [2025-03-15 01:37:21,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:21,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:21,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:37:21,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:37:21,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,343 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 133 [2025-03-15 01:37:21,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:21,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:37:21,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:37:21,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:37:21,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:37:21,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:37:21,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:37:21,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:37:21,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (1/1) ... [2025-03-15 01:37:21,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:37:21,450 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 01:37:21,456 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 01:37:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:37:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:37:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:37:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:37:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:37:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:37:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:37:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:37:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-15 01:37:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-15 01:37:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:37:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:37:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:37:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:37:21,472 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 01:37:21,565 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:37:21,566 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:37:21,809 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:37:21,809 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:37:21,926 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:37:21,926 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:37:21,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:21 BoogieIcfgContainer [2025-03-15 01:37:21,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:37:21,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:37:21,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:37:21,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:37:21,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:37:20" (1/3) ... [2025-03-15 01:37:21,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e635ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:21, skipping insertion in model container [2025-03-15 01:37:21,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:21" (2/3) ... [2025-03-15 01:37:21,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e635ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:21, skipping insertion in model container [2025-03-15 01:37:21,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:21" (3/3) ... [2025-03-15 01:37:21,936 INFO L128 eAbstractionObserver]: Analyzing ICFG mix027_power.opt_pso.opt_rmo.opt.i [2025-03-15 01:37:21,947 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:37:21,949 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix027_power.opt_pso.opt_rmo.opt.i that has 5 procedures, 133 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 01:37:21,950 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:37:22,026 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:37:22,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:37:22,074 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;@5334b4fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:37:22,075 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:37:22,107 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:37:22,108 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2025-03-15 01:37:22,110 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:37:22,110 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:22,111 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] [2025-03-15 01:37:22,111 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 01:37:22,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:22,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1769105594, now seen corresponding path program 1 times [2025-03-15 01:37:22,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:22,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780629858] [2025-03-15 01:37:22,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:22,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:22,375 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 01:37:22,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:22,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780629858] [2025-03-15 01:37:22,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780629858] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:22,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:22,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:37:22,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457190042] [2025-03-15 01:37:22,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:22,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:37:22,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:22,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:37:22,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:37:22,412 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 135 [2025-03-15 01:37:22,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 135 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 01:37:22,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:22,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 135 [2025-03-15 01:37:22,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:23,462 INFO L124 PetriNetUnfolderBase]: 2759/6338 cut-off events. [2025-03-15 01:37:23,462 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2025-03-15 01:37:23,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10456 conditions, 6338 events. 2759/6338 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 58127 event pairs, 2047 based on Foata normal form. 441/4832 useless extension candidates. Maximal degree in co-relation 10403. Up to 3852 conditions per place. [2025-03-15 01:37:23,537 INFO L140 encePairwiseOnDemand]: 119/135 looper letters, 31 selfloop transitions, 5 changer transitions 0/139 dead transitions. [2025-03-15 01:37:23,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 139 transitions, 371 flow [2025-03-15 01:37:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:37:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:37:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2025-03-15 01:37:23,549 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9234567901234568 [2025-03-15 01:37:23,553 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -4 predicate places. [2025-03-15 01:37:23,553 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 139 transitions, 371 flow [2025-03-15 01:37:23,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 01:37:23,554 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:23,554 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] [2025-03-15 01:37:23,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:37:23,554 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 01:37:23,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:23,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1032817742, now seen corresponding path program 1 times [2025-03-15 01:37:23,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:23,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434343809] [2025-03-15 01:37:23,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:23,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:23,752 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 01:37:23,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:23,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434343809] [2025-03-15 01:37:23,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434343809] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:23,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:23,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:37:23,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339770970] [2025-03-15 01:37:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:23,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:37:23,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:23,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:37:23,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:37:23,756 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 135 [2025-03-15 01:37:23,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 139 transitions, 371 flow. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 01:37:23,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:23,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 135 [2025-03-15 01:37:23,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:24,207 INFO L124 PetriNetUnfolderBase]: 1326/3563 cut-off events. [2025-03-15 01:37:24,207 INFO L125 PetriNetUnfolderBase]: For 368/1036 co-relation queries the response was YES. [2025-03-15 01:37:24,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7514 conditions, 3563 events. 1326/3563 cut-off events. For 368/1036 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 30868 event pairs, 855 based on Foata normal form. 18/2863 useless extension candidates. Maximal degree in co-relation 7458. Up to 1817 conditions per place. [2025-03-15 01:37:24,235 INFO L140 encePairwiseOnDemand]: 126/135 looper letters, 27 selfloop transitions, 5 changer transitions 0/135 dead transitions. [2025-03-15 01:37:24,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 135 transitions, 419 flow [2025-03-15 01:37:24,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:37:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:37:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 468 transitions. [2025-03-15 01:37:24,239 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-03-15 01:37:24,239 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -5 predicate places. [2025-03-15 01:37:24,239 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 135 transitions, 419 flow [2025-03-15 01:37:24,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 01:37:24,241 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:24,241 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] [2025-03-15 01:37:24,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:37:24,242 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 01:37:24,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:24,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1032817741, now seen corresponding path program 1 times [2025-03-15 01:37:24,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:24,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884443331] [2025-03-15 01:37:24,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:24,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:24,373 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 01:37:24,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:24,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884443331] [2025-03-15 01:37:24,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884443331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:24,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:24,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:37:24,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209518383] [2025-03-15 01:37:24,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:24,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:37:24,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:24,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:37:24,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:37:24,376 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 135 [2025-03-15 01:37:24,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 135 transitions, 419 flow. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 01:37:24,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:24,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 135 [2025-03-15 01:37:24,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:24,663 INFO L124 PetriNetUnfolderBase]: 702/2269 cut-off events. [2025-03-15 01:37:24,663 INFO L125 PetriNetUnfolderBase]: For 649/2219 co-relation queries the response was YES. [2025-03-15 01:37:24,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5517 conditions, 2269 events. 702/2269 cut-off events. For 649/2219 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 18865 event pairs, 200 based on Foata normal form. 18/2014 useless extension candidates. Maximal degree in co-relation 5458. Up to 954 conditions per place. [2025-03-15 01:37:24,679 INFO L140 encePairwiseOnDemand]: 126/135 looper letters, 35 selfloop transitions, 9 changer transitions 0/147 dead transitions. [2025-03-15 01:37:24,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 147 transitions, 585 flow [2025-03-15 01:37:24,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:37:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:37:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 480 transitions. [2025-03-15 01:37:24,681 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2025-03-15 01:37:24,682 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -2 predicate places. [2025-03-15 01:37:24,682 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 147 transitions, 585 flow [2025-03-15 01:37:24,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 01:37:24,682 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:24,682 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] [2025-03-15 01:37:24,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:37:24,682 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 01:37:24,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:24,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1569635634, now seen corresponding path program 1 times [2025-03-15 01:37:24,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:24,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901566894] [2025-03-15 01:37:24,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:24,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:24,909 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 01:37:24,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:24,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901566894] [2025-03-15 01:37:24,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901566894] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:24,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:24,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:37:24,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188730903] [2025-03-15 01:37:24,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:24,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:37:24,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:24,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:37:24,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:37:24,910 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 135 [2025-03-15 01:37:24,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 147 transitions, 585 flow. Second operand has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 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 01:37:24,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:24,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 135 [2025-03-15 01:37:24,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:25,170 INFO L124 PetriNetUnfolderBase]: 549/1848 cut-off events. [2025-03-15 01:37:25,171 INFO L125 PetriNetUnfolderBase]: For 1074/2188 co-relation queries the response was YES. [2025-03-15 01:37:25,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5163 conditions, 1848 events. 549/1848 cut-off events. For 1074/2188 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 14739 event pairs, 79 based on Foata normal form. 77/1809 useless extension candidates. Maximal degree in co-relation 5101. Up to 708 conditions per place. [2025-03-15 01:37:25,184 INFO L140 encePairwiseOnDemand]: 126/135 looper letters, 38 selfloop transitions, 13 changer transitions 4/158 dead transitions. [2025-03-15 01:37:25,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 158 transitions, 786 flow [2025-03-15 01:37:25,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:37:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:37:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 599 transitions. [2025-03-15 01:37:25,188 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8874074074074074 [2025-03-15 01:37:25,188 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, 2 predicate places. [2025-03-15 01:37:25,189 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 158 transitions, 786 flow [2025-03-15 01:37:25,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 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 01:37:25,189 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:25,189 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] [2025-03-15 01:37:25,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:37:25,189 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 01:37:25,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:25,190 INFO L85 PathProgramCache]: Analyzing trace with hash -586673322, now seen corresponding path program 1 times [2025-03-15 01:37:25,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:25,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477640751] [2025-03-15 01:37:25,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:25,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:25,407 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 01:37:25,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:25,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477640751] [2025-03-15 01:37:25,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477640751] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:25,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:25,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:37:25,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692150263] [2025-03-15 01:37:25,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:25,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:37:25,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:25,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:37:25,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:37:25,410 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 135 [2025-03-15 01:37:25,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 158 transitions, 786 flow. Second operand has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 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 01:37:25,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:25,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 135 [2025-03-15 01:37:25,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:25,730 INFO L124 PetriNetUnfolderBase]: 541/1709 cut-off events. [2025-03-15 01:37:25,730 INFO L125 PetriNetUnfolderBase]: For 1735/2939 co-relation queries the response was YES. [2025-03-15 01:37:25,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5735 conditions, 1709 events. 541/1709 cut-off events. For 1735/2939 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 12983 event pairs, 124 based on Foata normal form. 74/1690 useless extension candidates. Maximal degree in co-relation 5670. Up to 688 conditions per place. [2025-03-15 01:37:25,737 INFO L140 encePairwiseOnDemand]: 126/135 looper letters, 0 selfloop transitions, 0 changer transitions 156/156 dead transitions. [2025-03-15 01:37:25,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 156 transitions, 872 flow [2025-03-15 01:37:25,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:37:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:37:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 705 transitions. [2025-03-15 01:37:25,742 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703 [2025-03-15 01:37:25,743 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, 3 predicate places. [2025-03-15 01:37:25,743 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 156 transitions, 872 flow [2025-03-15 01:37:25,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 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 01:37:25,752 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix027_power.opt_pso.opt_rmo.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:37:25,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 01:37:25,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 01:37:25,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 01:37:25,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:37:25,770 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:37:25,775 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:37:25,775 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:37:25,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:37:25 BasicIcfg [2025-03-15 01:37:25,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:37:25,780 INFO L158 Benchmark]: Toolchain (without parser) took 4866.36ms. Allocated memory was 71.3MB in the beginning and 520.1MB in the end (delta: 448.8MB). Free memory was 43.2MB in the beginning and 288.9MB in the end (delta: -245.8MB). Peak memory consumption was 199.4MB. Max. memory is 8.0GB. [2025-03-15 01:37:25,781 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 71.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:37:25,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.55ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 19.9MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:37:25,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.72ms. Allocated memory is still 71.3MB. Free memory was 19.9MB in the beginning and 43.9MB in the end (delta: -24.0MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2025-03-15 01:37:25,781 INFO L158 Benchmark]: Boogie Preprocessor took 33.79ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 42.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:37:25,781 INFO L158 Benchmark]: RCFGBuilder took 548.61ms. Allocated memory is still 71.3MB. Free memory was 42.3MB in the beginning and 28.3MB in the end (delta: 13.9MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. [2025-03-15 01:37:25,783 INFO L158 Benchmark]: TraceAbstraction took 3851.44ms. Allocated memory was 71.3MB in the beginning and 520.1MB in the end (delta: 448.8MB). Free memory was 27.1MB in the beginning and 288.9MB in the end (delta: -261.8MB). Peak memory consumption was 186.4MB. Max. memory is 8.0GB. [2025-03-15 01:37:25,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 71.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 363.55ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 19.9MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.72ms. Allocated memory is still 71.3MB. Free memory was 19.9MB in the beginning and 43.9MB in the end (delta: -24.0MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.79ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 42.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 548.61ms. Allocated memory is still 71.3MB. Free memory was 42.3MB in the beginning and 28.3MB in the end (delta: 13.9MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. * TraceAbstraction took 3851.44ms. Allocated memory was 71.3MB in the beginning and 520.1MB in the end (delta: 448.8MB). Free memory was 27.1MB in the beginning and 288.9MB in the end (delta: -261.8MB). Peak memory consumption was 186.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: 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, 178 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: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 288 IncrementalHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 5 mSDtfsCounter, 288 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=872occurred 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, 0.8s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 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 01:37:25,803 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...