/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/mix038.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:37:44,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:37:44,462 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 01:37:44,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:37:44,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:37:44,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:37:44,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:37:44,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:37:44,483 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:37:44,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:37:44,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:37:44,483 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:37:44,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:37:44,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:44,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:37:44,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:37:44,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:37:44,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:37:44,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:37:44,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:37:44,485 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 01:37:44,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:37:44,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:37:44,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:37:44,724 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:37:44,724 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:37:44,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix038.opt.i [2025-03-15 01:37:45,904 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd7a0fd3b/106ed07143d64b4aaa2cf5d59f20d33f/FLAG30c8f0443 [2025-03-15 01:37:46,144 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:37:46,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038.opt.i [2025-03-15 01:37:46,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd7a0fd3b/106ed07143d64b4aaa2cf5d59f20d33f/FLAG30c8f0443 [2025-03-15 01:37:46,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd7a0fd3b/106ed07143d64b4aaa2cf5d59f20d33f [2025-03-15 01:37:46,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:37:46,180 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:37:46,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:46,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:37:46,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:37:46,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e93be8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46, skipping insertion in model container [2025-03-15 01:37:46,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:37:46,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:46,500 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:37:46,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:46,601 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:37:46,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46 WrapperNode [2025-03-15 01:37:46,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:46,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:46,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:37:46,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:37:46,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,651 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 129 [2025-03-15 01:37:46,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:46,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:37:46,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:37:46,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:37:46,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,664 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:37:46,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:37:46,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:37:46,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:37:46,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:46,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:37:46,712 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 01:37:46,714 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 01:37:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:37:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:37:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:37:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:37:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:37:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:37:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:37:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:37:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:37:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:37:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:37:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:37:46,735 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 01:37:46,827 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:37:46,828 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:37:47,063 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:37:47,064 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:37:47,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:37:47,174 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:37:47,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:47 BoogieIcfgContainer [2025-03-15 01:37:47,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:37:47,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:37:47,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:37:47,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:37:47,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:37:46" (1/3) ... [2025-03-15 01:37:47,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f883abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:47, skipping insertion in model container [2025-03-15 01:37:47,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (2/3) ... [2025-03-15 01:37:47,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f883abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:47, skipping insertion in model container [2025-03-15 01:37:47,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:47" (3/3) ... [2025-03-15 01:37:47,184 INFO L128 eAbstractionObserver]: Analyzing ICFG mix038.opt.i [2025-03-15 01:37:47,193 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:37:47,195 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix038.opt.i that has 4 procedures, 115 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:37:47,195 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:37:47,246 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:37:47,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:37:47,289 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;@672a9d23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:37:47,290 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:37:47,319 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:37:47,319 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2025-03-15 01:37:47,321 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:37:47,321 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:47,322 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] [2025-03-15 01:37:47,322 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 01:37:47,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:47,327 INFO L85 PathProgramCache]: Analyzing trace with hash -319812856, now seen corresponding path program 1 times [2025-03-15 01:37:47,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:47,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287912240] [2025-03-15 01:37:47,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:47,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:47,575 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 01:37:47,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:47,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287912240] [2025-03-15 01:37:47,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287912240] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:47,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:47,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:37:47,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102767343] [2025-03-15 01:37:47,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:47,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:37:47,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:47,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:37:47,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:37:47,609 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2025-03-15 01:37:47,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 01:37:47,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:47,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2025-03-15 01:37:47,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:47,883 INFO L124 PetriNetUnfolderBase]: 319/774 cut-off events. [2025-03-15 01:37:47,884 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-15 01:37:47,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1335 conditions, 774 events. 319/774 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4970 event pairs, 74 based on Foata normal form. 183/781 useless extension candidates. Maximal degree in co-relation 1285. Up to 492 conditions per place. [2025-03-15 01:37:47,896 INFO L140 encePairwiseOnDemand]: 104/117 looper letters, 24 selfloop transitions, 4 changer transitions 0/119 dead transitions. [2025-03-15 01:37:47,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 119 transitions, 309 flow [2025-03-15 01:37:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:37:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:37:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 325 transitions. [2025-03-15 01:37:47,905 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2025-03-15 01:37:47,917 INFO L298 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2025-03-15 01:37:47,917 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 119 transitions, 309 flow [2025-03-15 01:37:47,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 01:37:47,918 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:47,918 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] [2025-03-15 01:37:47,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:37:47,918 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 01:37:47,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:47,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1143610944, now seen corresponding path program 1 times [2025-03-15 01:37:47,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:47,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886911292] [2025-03-15 01:37:47,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:47,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:48,083 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 01:37:48,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:48,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886911292] [2025-03-15 01:37:48,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886911292] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:48,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:48,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:37:48,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388095145] [2025-03-15 01:37:48,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:48,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:37:48,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:48,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:37:48,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:37:48,086 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2025-03-15 01:37:48,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 119 transitions, 309 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 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 01:37:48,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:48,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2025-03-15 01:37:48,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:48,241 INFO L124 PetriNetUnfolderBase]: 206/592 cut-off events. [2025-03-15 01:37:48,242 INFO L125 PetriNetUnfolderBase]: For 82/182 co-relation queries the response was YES. [2025-03-15 01:37:48,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1306 conditions, 592 events. 206/592 cut-off events. For 82/182 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3524 event pairs, 103 based on Foata normal form. 10/517 useless extension candidates. Maximal degree in co-relation 1253. Up to 305 conditions per place. [2025-03-15 01:37:48,247 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 21 selfloop transitions, 4 changer transitions 0/116 dead transitions. [2025-03-15 01:37:48,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 116 transitions, 347 flow [2025-03-15 01:37:48,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:37:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:37:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 408 transitions. [2025-03-15 01:37:48,251 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2025-03-15 01:37:48,251 INFO L298 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2025-03-15 01:37:48,251 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 116 transitions, 347 flow [2025-03-15 01:37:48,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 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 01:37:48,252 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:48,252 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] [2025-03-15 01:37:48,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:37:48,252 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 01:37:48,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:48,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1437269449, now seen corresponding path program 1 times [2025-03-15 01:37:48,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:48,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954897264] [2025-03-15 01:37:48,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:48,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:48,395 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 01:37:48,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:48,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954897264] [2025-03-15 01:37:48,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954897264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:48,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:48,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:37:48,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467916678] [2025-03-15 01:37:48,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:48,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:37:48,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:48,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:37:48,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:37:48,397 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2025-03-15 01:37:48,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 116 transitions, 347 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 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 01:37:48,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:48,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2025-03-15 01:37:48,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:48,534 INFO L124 PetriNetUnfolderBase]: 129/484 cut-off events. [2025-03-15 01:37:48,534 INFO L125 PetriNetUnfolderBase]: For 200/342 co-relation queries the response was YES. [2025-03-15 01:37:48,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1166 conditions, 484 events. 129/484 cut-off events. For 200/342 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2679 event pairs, 29 based on Foata normal form. 4/457 useless extension candidates. Maximal degree in co-relation 1110. Up to 181 conditions per place. [2025-03-15 01:37:48,538 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 24 selfloop transitions, 7 changer transitions 3/125 dead transitions. [2025-03-15 01:37:48,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 125 transitions, 472 flow [2025-03-15 01:37:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:37:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:37:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 417 transitions. [2025-03-15 01:37:48,540 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8910256410256411 [2025-03-15 01:37:48,541 INFO L298 CegarLoopForPetriNet]: 124 programPoint places, 0 predicate places. [2025-03-15 01:37:48,541 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 125 transitions, 472 flow [2025-03-15 01:37:48,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 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 01:37:48,541 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:48,541 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 01:37:48,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:37:48,542 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 01:37:48,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:48,542 INFO L85 PathProgramCache]: Analyzing trace with hash -933439771, now seen corresponding path program 1 times [2025-03-15 01:37:48,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:48,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085214133] [2025-03-15 01:37:48,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:48,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:48,734 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 01:37:48,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:48,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085214133] [2025-03-15 01:37:48,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085214133] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:48,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:48,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:37:48,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64560487] [2025-03-15 01:37:48,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:48,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:37:48,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:48,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:37:48,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:37:48,736 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2025-03-15 01:37:48,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 125 transitions, 472 flow. Second operand has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 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 01:37:48,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:48,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2025-03-15 01:37:48,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:48,868 INFO L124 PetriNetUnfolderBase]: 123/452 cut-off events. [2025-03-15 01:37:48,868 INFO L125 PetriNetUnfolderBase]: For 408/630 co-relation queries the response was YES. [2025-03-15 01:37:48,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1294 conditions, 452 events. 123/452 cut-off events. For 408/630 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2388 event pairs, 38 based on Foata normal form. 12/444 useless extension candidates. Maximal degree in co-relation 1235. Up to 166 conditions per place. [2025-03-15 01:37:48,870 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2025-03-15 01:37:48,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 530 flow [2025-03-15 01:37:48,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:37:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:37:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 511 transitions. [2025-03-15 01:37:48,871 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8735042735042735 [2025-03-15 01:37:48,872 INFO L298 CegarLoopForPetriNet]: 124 programPoint places, 1 predicate places. [2025-03-15 01:37:48,872 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 124 transitions, 530 flow [2025-03-15 01:37:48,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 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 01:37:48,877 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix038.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:37:48,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:37:48,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:37:48,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:37:48,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:37:48,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:37:48,890 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:37:48,893 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:37:48,894 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:37:48,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:37:48 BasicIcfg [2025-03-15 01:37:48,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:37:48,898 INFO L158 Benchmark]: Toolchain (without parser) took 2719.67ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 42.8MB in the beginning and 54.7MB in the end (delta: -11.9MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. [2025-03-15 01:37:48,898 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:37:48,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.18ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 20.3MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:37:48,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.16ms. Allocated memory is still 71.3MB. Free memory was 20.3MB in the beginning and 44.3MB in the end (delta: -24.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2025-03-15 01:37:48,899 INFO L158 Benchmark]: Boogie Preprocessor took 24.98ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 42.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:37:48,899 INFO L158 Benchmark]: RCFGBuilder took 497.48ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 35.0MB in the end (delta: 7.6MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. [2025-03-15 01:37:48,899 INFO L158 Benchmark]: TraceAbstraction took 1720.94ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 34.1MB in the beginning and 54.7MB in the end (delta: -20.5MB). Peak memory consumption was 60.3MB. Max. memory is 8.0GB. [2025-03-15 01:37:48,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 422.18ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 20.3MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.16ms. Allocated memory is still 71.3MB. Free memory was 20.3MB in the beginning and 44.3MB in the end (delta: -24.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.98ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 42.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 497.48ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 35.0MB in the end (delta: 7.6MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1720.94ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 34.1MB in the beginning and 54.7MB in the end (delta: -20.5MB). Peak memory consumption was 60.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: 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, 150 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 4 mSDtfsCounter, 159 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=530occurred 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, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 642 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 01:37:48,912 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...