/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/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:38:43,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:38:43,347 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 01:38:43,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:38:43,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:38:43,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:38:43,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:38:43,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:38:43,387 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:38:43,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:38:43,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:38:43,387 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:38:43,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:38:43,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:38:43,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:38:43,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:38:43,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:38:43,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:38:43,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:38:43,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:38:43,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:38:43,389 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 01:38:43,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:38:43,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:38:43,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:38:43,669 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:38:43,669 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:38:43,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2025-03-15 01:38:44,853 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d100e1999/556fb1e2ed8a412e90476fd6189c6012/FLAG46c444440 [2025-03-15 01:38:45,053 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:38:45,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2025-03-15 01:38:45,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d100e1999/556fb1e2ed8a412e90476fd6189c6012/FLAG46c444440 [2025-03-15 01:38:45,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d100e1999/556fb1e2ed8a412e90476fd6189c6012 [2025-03-15 01:38:45,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:38:45,094 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:38:45,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:38:45,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:38:45,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:38:45,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454bc2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45, skipping insertion in model container [2025-03-15 01:38:45,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:38:45,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:38:45,401 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:38:45,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:38:45,479 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:38:45,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45 WrapperNode [2025-03-15 01:38:45,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:38:45,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:38:45,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:38:45,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:38:45,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,530 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 121 [2025-03-15 01:38:45,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:38:45,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:38:45,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:38:45,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:38:45,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,542 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:38:45,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:38:45,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:38:45,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:38:45,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (1/1) ... [2025-03-15 01:38:45,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:38:45,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:38:45,582 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 01:38:45,588 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 01:38:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:38:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:38:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:38:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:38:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:38:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:38:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:38:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:38:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:38:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:38:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:38:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:38:45,604 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 01:38:45,701 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:38:45,703 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:38:45,965 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:38:45,965 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:38:46,104 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:38:46,104 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:38:46,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:38:46 BoogieIcfgContainer [2025-03-15 01:38:46,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:38:46,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:38:46,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:38:46,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:38:46,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:38:45" (1/3) ... [2025-03-15 01:38:46,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0ec3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:38:46, skipping insertion in model container [2025-03-15 01:38:46,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:45" (2/3) ... [2025-03-15 01:38:46,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0ec3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:38:46, skipping insertion in model container [2025-03-15 01:38:46,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:38:46" (3/3) ... [2025-03-15 01:38:46,116 INFO L128 eAbstractionObserver]: Analyzing ICFG safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2025-03-15 01:38:46,126 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:38:46,127 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i that has 4 procedures, 111 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:38:46,127 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:38:46,177 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:38:46,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:38:46,236 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;@22ef476a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:38:46,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:38:46,273 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:38:46,273 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2025-03-15 01:38:46,275 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:38:46,276 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:46,277 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] [2025-03-15 01:38:46,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:38:46,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:46,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1105788299, now seen corresponding path program 1 times [2025-03-15 01:38:46,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:46,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617665673] [2025-03-15 01:38:46,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:46,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:46,641 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 01:38:46,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:46,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617665673] [2025-03-15 01:38:46,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617665673] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:46,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:46,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:38:46,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935025262] [2025-03-15 01:38:46,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:46,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:38:46,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:46,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:38:46,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:38:46,672 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 113 [2025-03-15 01:38:46,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 113 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 01:38:46,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:46,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 113 [2025-03-15 01:38:46,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:47,003 INFO L124 PetriNetUnfolderBase]: 425/1324 cut-off events. [2025-03-15 01:38:47,004 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-15 01:38:47,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2060 conditions, 1324 events. 425/1324 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 9342 event pairs, 254 based on Foata normal form. 84/1112 useless extension candidates. Maximal degree in co-relation 2012. Up to 590 conditions per place. [2025-03-15 01:38:47,021 INFO L140 encePairwiseOnDemand]: 100/113 looper letters, 26 selfloop transitions, 4 changer transitions 0/116 dead transitions. [2025-03-15 01:38:47,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 116 transitions, 307 flow [2025-03-15 01:38:47,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:38:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:38:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2025-03-15 01:38:47,030 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9203539823008849 [2025-03-15 01:38:47,033 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, -3 predicate places. [2025-03-15 01:38:47,033 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 116 transitions, 307 flow [2025-03-15 01:38:47,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 01:38:47,034 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:47,034 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] [2025-03-15 01:38:47,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:38:47,034 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:38:47,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:47,035 INFO L85 PathProgramCache]: Analyzing trace with hash 606792586, now seen corresponding path program 1 times [2025-03-15 01:38:47,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:47,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968538000] [2025-03-15 01:38:47,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:47,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:47,248 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 01:38:47,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:47,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968538000] [2025-03-15 01:38:47,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968538000] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:47,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:47,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:38:47,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803032645] [2025-03-15 01:38:47,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:47,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:38:47,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:47,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:38:47,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:38:47,251 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 113 [2025-03-15 01:38:47,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 116 transitions, 307 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 01:38:47,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:47,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 113 [2025-03-15 01:38:47,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:47,470 INFO L124 PetriNetUnfolderBase]: 302/1067 cut-off events. [2025-03-15 01:38:47,470 INFO L125 PetriNetUnfolderBase]: For 148/368 co-relation queries the response was YES. [2025-03-15 01:38:47,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2085 conditions, 1067 events. 302/1067 cut-off events. For 148/368 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 7198 event pairs, 168 based on Foata normal form. 16/925 useless extension candidates. Maximal degree in co-relation 2034. Up to 387 conditions per place. [2025-03-15 01:38:47,477 INFO L140 encePairwiseOnDemand]: 106/113 looper letters, 23 selfloop transitions, 4 changer transitions 0/113 dead transitions. [2025-03-15 01:38:47,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 113 transitions, 349 flow [2025-03-15 01:38:47,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:38:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:38:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 390 transitions. [2025-03-15 01:38:47,480 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8628318584070797 [2025-03-15 01:38:47,483 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, -3 predicate places. [2025-03-15 01:38:47,483 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 113 transitions, 349 flow [2025-03-15 01:38:47,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 01:38:47,483 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:47,483 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] [2025-03-15 01:38:47,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:38:47,483 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:38:47,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:47,484 INFO L85 PathProgramCache]: Analyzing trace with hash 606792587, now seen corresponding path program 1 times [2025-03-15 01:38:47,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:47,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704888228] [2025-03-15 01:38:47,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:47,639 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 01:38:47,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:47,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704888228] [2025-03-15 01:38:47,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704888228] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:47,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:47,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:38:47,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792630479] [2025-03-15 01:38:47,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:47,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:38:47,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:47,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:38:47,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:38:47,641 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 113 [2025-03-15 01:38:47,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 113 transitions, 349 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 01:38:47,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:47,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 113 [2025-03-15 01:38:47,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:47,830 INFO L124 PetriNetUnfolderBase]: 215/856 cut-off events. [2025-03-15 01:38:47,830 INFO L125 PetriNetUnfolderBase]: For 329/623 co-relation queries the response was YES. [2025-03-15 01:38:47,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1939 conditions, 856 events. 215/856 cut-off events. For 329/623 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 5509 event pairs, 79 based on Foata normal form. 16/806 useless extension candidates. Maximal degree in co-relation 1885. Up to 247 conditions per place. [2025-03-15 01:38:47,835 INFO L140 encePairwiseOnDemand]: 106/113 looper letters, 27 selfloop transitions, 7 changer transitions 3/123 dead transitions. [2025-03-15 01:38:47,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 123 transitions, 486 flow [2025-03-15 01:38:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:38:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:38:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 400 transitions. [2025-03-15 01:38:47,838 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8849557522123894 [2025-03-15 01:38:47,838 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 0 predicate places. [2025-03-15 01:38:47,839 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 123 transitions, 486 flow [2025-03-15 01:38:47,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 01:38:47,839 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:47,839 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] [2025-03-15 01:38:47,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:38:47,839 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:38:47,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:47,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1531519420, now seen corresponding path program 1 times [2025-03-15 01:38:47,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:47,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990912282] [2025-03-15 01:38:47,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:47,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:48,007 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 01:38:48,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:48,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990912282] [2025-03-15 01:38:48,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990912282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:48,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:48,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:38:48,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234629164] [2025-03-15 01:38:48,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:48,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:38:48,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:48,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:38:48,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:38:48,009 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 113 [2025-03-15 01:38:48,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 123 transitions, 486 flow. Second operand has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 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 01:38:48,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:48,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 113 [2025-03-15 01:38:48,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:48,233 INFO L124 PetriNetUnfolderBase]: 209/904 cut-off events. [2025-03-15 01:38:48,234 INFO L125 PetriNetUnfolderBase]: For 457/897 co-relation queries the response was YES. [2025-03-15 01:38:48,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2276 conditions, 904 events. 209/904 cut-off events. For 457/897 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 6166 event pairs, 57 based on Foata normal form. 36/888 useless extension candidates. Maximal degree in co-relation 2219. Up to 232 conditions per place. [2025-03-15 01:38:48,240 INFO L140 encePairwiseOnDemand]: 106/113 looper letters, 0 selfloop transitions, 0 changer transitions 122/122 dead transitions. [2025-03-15 01:38:48,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 122 transitions, 550 flow [2025-03-15 01:38:48,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:38:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:38:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 489 transitions. [2025-03-15 01:38:48,242 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8654867256637168 [2025-03-15 01:38:48,242 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 1 predicate places. [2025-03-15 01:38:48,243 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 122 transitions, 550 flow [2025-03-15 01:38:48,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 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 01:38:48,249 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:38:48,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:38:48,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:38:48,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:38:48,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:38:48,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:38:48,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:38:48,264 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:38:48,267 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:38:48,267 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:38:48,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:38:48 BasicIcfg [2025-03-15 01:38:48,271 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:38:48,271 INFO L158 Benchmark]: Toolchain (without parser) took 3177.14ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 42.8MB in the beginning and 45.4MB in the end (delta: -2.6MB). Peak memory consumption was 75.7MB. Max. memory is 8.0GB. [2025-03-15 01:38:48,271 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:38:48,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.26ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 19.8MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:38:48,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.56ms. Allocated memory is still 71.3MB. Free memory was 19.8MB in the beginning and 43.7MB in the end (delta: -23.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2025-03-15 01:38:48,272 INFO L158 Benchmark]: Boogie Preprocessor took 16.55ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 42.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:38:48,272 INFO L158 Benchmark]: RCFGBuilder took 557.30ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 30.6MB in the end (delta: 11.4MB). Peak memory consumption was 27.5MB. Max. memory is 8.0GB. [2025-03-15 01:38:48,273 INFO L158 Benchmark]: TraceAbstraction took 2163.36ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 29.7MB in the beginning and 45.4MB in the end (delta: -15.8MB). Peak memory consumption was 63.1MB. Max. memory is 8.0GB. [2025-03-15 01:38:48,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 385.26ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 19.8MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.56ms. Allocated memory is still 71.3MB. Free memory was 19.8MB in the beginning and 43.7MB in the end (delta: -23.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.55ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 42.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 557.30ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 30.6MB in the end (delta: 11.4MB). Peak memory consumption was 27.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2163.36ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 29.7MB in the beginning and 45.4MB in the end (delta: -15.8MB). Peak memory consumption was 63.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: 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 7 procedures, 144 locations, 15 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: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 4 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=550occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:38:48,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...