/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-atomic/read_write_lock-2.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:28:12,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:28:12,873 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 01:28:12,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:28:12,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:28:12,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:28:12,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:28:12,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:28:12,905 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:28:12,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:28:12,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:28:12,906 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:28:12,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:28:12,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:28:12,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:28:12,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:28:12,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:28:12,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:28:12,907 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:28:12,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:28:12,907 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:28:12,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:28:12,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:28:12,908 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:28:12,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:28:12,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:28:12,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:28:12,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:28:12,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:28:12,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:28:12,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:28:12,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:28:12,909 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 01:28:13,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:28:13,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:28:13,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:28:13,190 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:28:13,190 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:28:13,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2025-03-15 01:28:14,382 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa22db14/e98f7461d40440adb9b0e091a9c7e158/FLAG3ba125af0 [2025-03-15 01:28:14,651 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:28:14,651 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2025-03-15 01:28:14,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa22db14/e98f7461d40440adb9b0e091a9c7e158/FLAG3ba125af0 [2025-03-15 01:28:14,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa22db14/e98f7461d40440adb9b0e091a9c7e158 [2025-03-15 01:28:14,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:28:14,687 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:28:14,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:28:14,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:28:14,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:28:14,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:28:14" (1/1) ... [2025-03-15 01:28:14,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314eb7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:14, skipping insertion in model container [2025-03-15 01:28:14,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:28:14" (1/1) ... [2025-03-15 01:28:14,727 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:28:14,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:28:14,953 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:28:14,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:28:15,030 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:28:15,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15 WrapperNode [2025-03-15 01:28:15,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:28:15,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:28:15,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:28:15,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:28:15,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,067 INFO L138 Inliner]: procedures = 172, calls = 31, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 100 [2025-03-15 01:28:15,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:28:15,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:28:15,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:28:15,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:28:15,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:28:15,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:28:15,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:28:15,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:28:15,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (1/1) ... [2025-03-15 01:28:15,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:28:15,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:28:15,121 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 01:28:15,137 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 01:28:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:28:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:28:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2025-03-15 01:28:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2025-03-15 01:28:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:28:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:28:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:28:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:28:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2025-03-15 01:28:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2025-03-15 01:28:15,157 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 01:28:15,241 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:28:15,242 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:28:15,346 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:28:15,347 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:28:15,396 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:28:15,396 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:28:15,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:28:15 BoogieIcfgContainer [2025-03-15 01:28:15,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:28:15,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:28:15,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:28:15,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:28:15,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:28:14" (1/3) ... [2025-03-15 01:28:15,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2056cf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:28:15, skipping insertion in model container [2025-03-15 01:28:15,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:28:15" (2/3) ... [2025-03-15 01:28:15,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2056cf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:28:15, skipping insertion in model container [2025-03-15 01:28:15,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:28:15" (3/3) ... [2025-03-15 01:28:15,406 INFO L128 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2025-03-15 01:28:15,417 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:28:15,418 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG read_write_lock-2.i that has 3 procedures, 77 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 01:28:15,418 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:28:15,478 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-15 01:28:15,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:28:15,526 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;@f6ca189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:28:15,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2025-03-15 01:28:15,557 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:28:15,557 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2025-03-15 01:28:15,558 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:28:15,558 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:15,559 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] [2025-03-15 01:28:15,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:15,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:15,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1260414855, now seen corresponding path program 1 times [2025-03-15 01:28:15,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:15,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418002818] [2025-03-15 01:28:15,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:15,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:15,757 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 01:28:15,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:15,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418002818] [2025-03-15 01:28:15,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418002818] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:15,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:15,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:28:15,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950439735] [2025-03-15 01:28:15,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:15,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:28:15,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:15,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:28:15,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:28:15,782 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 108 [2025-03-15 01:28:15,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 108 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 01:28:15,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:15,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 108 [2025-03-15 01:28:15,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:16,288 INFO L124 PetriNetUnfolderBase]: 968/3215 cut-off events. [2025-03-15 01:28:16,288 INFO L125 PetriNetUnfolderBase]: For 831/839 co-relation queries the response was YES. [2025-03-15 01:28:16,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5299 conditions, 3215 events. 968/3215 cut-off events. For 831/839 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 31306 event pairs, 429 based on Foata normal form. 309/3099 useless extension candidates. Maximal degree in co-relation 4988. Up to 933 conditions per place. [2025-03-15 01:28:16,317 INFO L140 encePairwiseOnDemand]: 89/108 looper letters, 30 selfloop transitions, 7 changer transitions 6/112 dead transitions. [2025-03-15 01:28:16,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 112 transitions, 344 flow [2025-03-15 01:28:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:28:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:28:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2025-03-15 01:28:16,329 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9012345679012346 [2025-03-15 01:28:16,333 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, -4 predicate places. [2025-03-15 01:28:16,333 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 112 transitions, 344 flow [2025-03-15 01:28:16,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 01:28:16,333 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:16,334 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] [2025-03-15 01:28:16,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:28:16,334 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:16,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:16,335 INFO L85 PathProgramCache]: Analyzing trace with hash 735435487, now seen corresponding path program 1 times [2025-03-15 01:28:16,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:16,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144318839] [2025-03-15 01:28:16,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:16,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:16,464 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 01:28:16,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:16,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144318839] [2025-03-15 01:28:16,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144318839] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:16,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:16,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:28:16,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653525557] [2025-03-15 01:28:16,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:16,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:28:16,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:16,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:28:16,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:28:16,467 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 108 [2025-03-15 01:28:16,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 112 transitions, 344 flow. Second operand has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 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 01:28:16,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:16,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 108 [2025-03-15 01:28:16,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:16,806 INFO L124 PetriNetUnfolderBase]: 405/1620 cut-off events. [2025-03-15 01:28:16,806 INFO L125 PetriNetUnfolderBase]: For 847/1010 co-relation queries the response was YES. [2025-03-15 01:28:16,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3573 conditions, 1620 events. 405/1620 cut-off events. For 847/1010 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 14156 event pairs, 155 based on Foata normal form. 182/1574 useless extension candidates. Maximal degree in co-relation 3095. Up to 608 conditions per place. [2025-03-15 01:28:16,820 INFO L140 encePairwiseOnDemand]: 93/108 looper letters, 33 selfloop transitions, 11 changer transitions 14/127 dead transitions. [2025-03-15 01:28:16,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 127 transitions, 527 flow [2025-03-15 01:28:16,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:28:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:28:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 376 transitions. [2025-03-15 01:28:16,823 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703 [2025-03-15 01:28:16,824 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, -1 predicate places. [2025-03-15 01:28:16,824 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 127 transitions, 527 flow [2025-03-15 01:28:16,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 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 01:28:16,824 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:16,825 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] [2025-03-15 01:28:16,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:28:16,825 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:16,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:16,825 INFO L85 PathProgramCache]: Analyzing trace with hash 735435488, now seen corresponding path program 1 times [2025-03-15 01:28:16,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:16,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539508487] [2025-03-15 01:28:16,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:16,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:16,928 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 01:28:16,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:16,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539508487] [2025-03-15 01:28:16,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539508487] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:16,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:16,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:28:16,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025064248] [2025-03-15 01:28:16,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:16,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:28:16,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:16,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:28:16,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:28:16,930 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 108 [2025-03-15 01:28:16,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 127 transitions, 527 flow. Second operand has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 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 01:28:16,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:16,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 108 [2025-03-15 01:28:16,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:17,125 INFO L124 PetriNetUnfolderBase]: 318/1413 cut-off events. [2025-03-15 01:28:17,125 INFO L125 PetriNetUnfolderBase]: For 1034/1229 co-relation queries the response was YES. [2025-03-15 01:28:17,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3663 conditions, 1413 events. 318/1413 cut-off events. For 1034/1229 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 12027 event pairs, 63 based on Foata normal form. 37/1300 useless extension candidates. Maximal degree in co-relation 3319. Up to 464 conditions per place. [2025-03-15 01:28:17,133 INFO L140 encePairwiseOnDemand]: 93/108 looper letters, 37 selfloop transitions, 15 changer transitions 16/137 dead transitions. [2025-03-15 01:28:17,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 137 transitions, 733 flow [2025-03-15 01:28:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:28:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:28:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 372 transitions. [2025-03-15 01:28:17,135 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2025-03-15 01:28:17,136 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, 2 predicate places. [2025-03-15 01:28:17,136 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 137 transitions, 733 flow [2025-03-15 01:28:17,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.25) internal successors, (321), 4 states have internal predecessors, (321), 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 01:28:17,136 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:17,137 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:28:17,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:28:17,137 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:17,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:17,137 INFO L85 PathProgramCache]: Analyzing trace with hash 380913316, now seen corresponding path program 1 times [2025-03-15 01:28:17,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:17,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797887787] [2025-03-15 01:28:17,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:17,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:17,213 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 01:28:17,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:17,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797887787] [2025-03-15 01:28:17,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797887787] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:17,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:17,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:28:17,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919801715] [2025-03-15 01:28:17,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:17,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:28:17,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:17,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:28:17,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:28:17,215 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 108 [2025-03-15 01:28:17,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 137 transitions, 733 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 01:28:17,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:17,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 108 [2025-03-15 01:28:17,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:17,391 INFO L124 PetriNetUnfolderBase]: 325/1446 cut-off events. [2025-03-15 01:28:17,391 INFO L125 PetriNetUnfolderBase]: For 1610/1896 co-relation queries the response was YES. [2025-03-15 01:28:17,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4279 conditions, 1446 events. 325/1446 cut-off events. For 1610/1896 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 12147 event pairs, 31 based on Foata normal form. 37/1342 useless extension candidates. Maximal degree in co-relation 3519. Up to 465 conditions per place. [2025-03-15 01:28:17,397 INFO L140 encePairwiseOnDemand]: 95/108 looper letters, 43 selfloop transitions, 11 changer transitions 24/147 dead transitions. [2025-03-15 01:28:17,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 147 transitions, 973 flow [2025-03-15 01:28:17,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:28:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:28:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2025-03-15 01:28:17,398 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8641975308641975 [2025-03-15 01:28:17,399 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, 4 predicate places. [2025-03-15 01:28:17,399 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 147 transitions, 973 flow [2025-03-15 01:28:17,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 01:28:17,400 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:17,400 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:28:17,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:28:17,400 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:17,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:17,400 INFO L85 PathProgramCache]: Analyzing trace with hash 763564379, now seen corresponding path program 1 times [2025-03-15 01:28:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:17,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728970991] [2025-03-15 01:28:17,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:17,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:17,504 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 01:28:17,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:17,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728970991] [2025-03-15 01:28:17,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728970991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:17,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:17,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:28:17,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977325320] [2025-03-15 01:28:17,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:17,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:28:17,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:17,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:28:17,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:28:17,506 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 108 [2025-03-15 01:28:17,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 147 transitions, 973 flow. Second operand has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 01:28:17,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:17,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 108 [2025-03-15 01:28:17,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:17,816 INFO L124 PetriNetUnfolderBase]: 451/1910 cut-off events. [2025-03-15 01:28:17,817 INFO L125 PetriNetUnfolderBase]: For 3748/4515 co-relation queries the response was YES. [2025-03-15 01:28:17,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6262 conditions, 1910 events. 451/1910 cut-off events. For 3748/4515 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 16895 event pairs, 88 based on Foata normal form. 99/1853 useless extension candidates. Maximal degree in co-relation 5706. Up to 548 conditions per place. [2025-03-15 01:28:17,826 INFO L140 encePairwiseOnDemand]: 94/108 looper letters, 43 selfloop transitions, 15 changer transitions 58/182 dead transitions. [2025-03-15 01:28:17,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 182 transitions, 1553 flow [2025-03-15 01:28:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-15 01:28:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-15 01:28:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 699 transitions. [2025-03-15 01:28:17,829 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8090277777777778 [2025-03-15 01:28:17,829 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, 9 predicate places. [2025-03-15 01:28:17,829 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 182 transitions, 1553 flow [2025-03-15 01:28:17,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 01:28:17,830 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:17,830 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:28:17,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:28:17,830 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:17,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:17,830 INFO L85 PathProgramCache]: Analyzing trace with hash -239802426, now seen corresponding path program 1 times [2025-03-15 01:28:17,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:17,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670418587] [2025-03-15 01:28:17,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:17,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:17,921 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 01:28:17,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:17,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670418587] [2025-03-15 01:28:17,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670418587] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:17,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:17,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:28:17,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373897648] [2025-03-15 01:28:17,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:17,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:28:17,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:17,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:28:17,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:28:17,922 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 108 [2025-03-15 01:28:17,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 182 transitions, 1553 flow. Second operand has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 01:28:17,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:17,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 108 [2025-03-15 01:28:17,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:18,273 INFO L124 PetriNetUnfolderBase]: 524/2271 cut-off events. [2025-03-15 01:28:18,274 INFO L125 PetriNetUnfolderBase]: For 5374/6325 co-relation queries the response was YES. [2025-03-15 01:28:18,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8605 conditions, 2271 events. 524/2271 cut-off events. For 5374/6325 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 21263 event pairs, 60 based on Foata normal form. 71/2197 useless extension candidates. Maximal degree in co-relation 7832. Up to 641 conditions per place. [2025-03-15 01:28:18,285 INFO L140 encePairwiseOnDemand]: 96/108 looper letters, 40 selfloop transitions, 11 changer transitions 107/224 dead transitions. [2025-03-15 01:28:18,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 224 transitions, 2412 flow [2025-03-15 01:28:18,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:28:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:28:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 780 transitions. [2025-03-15 01:28:18,291 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8024691358024691 [2025-03-15 01:28:18,293 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, 16 predicate places. [2025-03-15 01:28:18,293 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 224 transitions, 2412 flow [2025-03-15 01:28:18,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 01:28:18,293 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:18,294 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:28:18,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:28:18,294 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:18,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:18,295 INFO L85 PathProgramCache]: Analyzing trace with hash 478799986, now seen corresponding path program 1 times [2025-03-15 01:28:18,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:18,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58338519] [2025-03-15 01:28:18,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:18,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:18,409 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 01:28:18,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:18,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58338519] [2025-03-15 01:28:18,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58338519] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:18,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:18,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:28:18,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572563070] [2025-03-15 01:28:18,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:18,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:28:18,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:18,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:28:18,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:28:18,411 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 108 [2025-03-15 01:28:18,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 224 transitions, 2412 flow. Second operand has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 01:28:18,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:18,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 108 [2025-03-15 01:28:18,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:18,865 INFO L124 PetriNetUnfolderBase]: 905/3524 cut-off events. [2025-03-15 01:28:18,866 INFO L125 PetriNetUnfolderBase]: For 13762/14926 co-relation queries the response was YES. [2025-03-15 01:28:18,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15144 conditions, 3524 events. 905/3524 cut-off events. For 13762/14926 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 35861 event pairs, 141 based on Foata normal form. 83/3436 useless extension candidates. Maximal degree in co-relation 13866. Up to 999 conditions per place. [2025-03-15 01:28:18,885 INFO L140 encePairwiseOnDemand]: 97/108 looper letters, 43 selfloop transitions, 16 changer transitions 189/320 dead transitions. [2025-03-15 01:28:18,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 320 transitions, 4312 flow [2025-03-15 01:28:18,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:28:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:28:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 781 transitions. [2025-03-15 01:28:18,888 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8034979423868313 [2025-03-15 01:28:18,888 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, 23 predicate places. [2025-03-15 01:28:18,888 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 320 transitions, 4312 flow [2025-03-15 01:28:18,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 01:28:18,889 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:18,889 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:28:18,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:28:18,889 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:18,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:18,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2065274993, now seen corresponding path program 1 times [2025-03-15 01:28:18,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:18,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376425830] [2025-03-15 01:28:18,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:18,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:18,995 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 01:28:18,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:18,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376425830] [2025-03-15 01:28:18,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376425830] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:18,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:18,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:28:18,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666775744] [2025-03-15 01:28:18,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:18,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:28:18,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:18,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:28:18,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:28:18,996 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 108 [2025-03-15 01:28:18,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 320 transitions, 4312 flow. Second operand has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 01:28:18,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:18,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 108 [2025-03-15 01:28:18,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:19,503 INFO L124 PetriNetUnfolderBase]: 913/3795 cut-off events. [2025-03-15 01:28:19,503 INFO L125 PetriNetUnfolderBase]: For 17665/19053 co-relation queries the response was YES. [2025-03-15 01:28:19,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17865 conditions, 3795 events. 913/3795 cut-off events. For 17665/19053 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 39797 event pairs, 102 based on Foata normal form. 135/3783 useless extension candidates. Maximal degree in co-relation 16158. Up to 1006 conditions per place. [2025-03-15 01:28:19,517 INFO L140 encePairwiseOnDemand]: 96/108 looper letters, 32 selfloop transitions, 8 changer transitions 272/383 dead transitions. [2025-03-15 01:28:19,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 383 transitions, 6029 flow [2025-03-15 01:28:19,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-15 01:28:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-15 01:28:19,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 693 transitions. [2025-03-15 01:28:19,519 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8020833333333334 [2025-03-15 01:28:19,521 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, 26 predicate places. [2025-03-15 01:28:19,521 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 383 transitions, 6029 flow [2025-03-15 01:28:19,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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 01:28:19,521 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:19,522 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] [2025-03-15 01:28:19,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:28:19,522 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:19,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:19,523 INFO L85 PathProgramCache]: Analyzing trace with hash 411487046, now seen corresponding path program 1 times [2025-03-15 01:28:19,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:19,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227120162] [2025-03-15 01:28:19,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:19,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:19,597 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 01:28:19,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:19,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227120162] [2025-03-15 01:28:19,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227120162] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:19,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:19,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:28:19,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573044338] [2025-03-15 01:28:19,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:19,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:28:19,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:19,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:28:19,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:28:19,598 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 108 [2025-03-15 01:28:19,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 383 transitions, 6029 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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 01:28:19,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:19,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 108 [2025-03-15 01:28:19,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:20,113 INFO L124 PetriNetUnfolderBase]: 908/3781 cut-off events. [2025-03-15 01:28:20,114 INFO L125 PetriNetUnfolderBase]: For 21392/22988 co-relation queries the response was YES. [2025-03-15 01:28:20,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19471 conditions, 3781 events. 908/3781 cut-off events. For 21392/22988 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 39657 event pairs, 102 based on Foata normal form. 127/3770 useless extension candidates. Maximal degree in co-relation 17637. Up to 1006 conditions per place. [2025-03-15 01:28:20,128 INFO L140 encePairwiseOnDemand]: 99/108 looper letters, 24 selfloop transitions, 6 changer transitions 282/379 dead transitions. [2025-03-15 01:28:20,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 379 transitions, 6550 flow [2025-03-15 01:28:20,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:28:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:28:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 770 transitions. [2025-03-15 01:28:20,130 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7921810699588477 [2025-03-15 01:28:20,130 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, 33 predicate places. [2025-03-15 01:28:20,131 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 379 transitions, 6550 flow [2025-03-15 01:28:20,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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 01:28:20,131 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:28:20,131 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] [2025-03-15 01:28:20,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:28:20,131 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-03-15 01:28:20,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:28:20,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1062246610, now seen corresponding path program 1 times [2025-03-15 01:28:20,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:28:20,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856611144] [2025-03-15 01:28:20,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:28:20,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:28:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:28:20,197 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 01:28:20,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:28:20,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856611144] [2025-03-15 01:28:20,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856611144] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:28:20,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:28:20,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:28:20,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154187282] [2025-03-15 01:28:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:28:20,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:28:20,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:28:20,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:28:20,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:28:20,198 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 108 [2025-03-15 01:28:20,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 379 transitions, 6550 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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 01:28:20,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:28:20,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 108 [2025-03-15 01:28:20,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:28:20,733 INFO L124 PetriNetUnfolderBase]: 906/3819 cut-off events. [2025-03-15 01:28:20,733 INFO L125 PetriNetUnfolderBase]: For 25581/27220 co-relation queries the response was YES. [2025-03-15 01:28:20,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21231 conditions, 3819 events. 906/3819 cut-off events. For 25581/27220 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 40161 event pairs, 94 based on Foata normal form. 141/3821 useless extension candidates. Maximal degree in co-relation 16893. Up to 1006 conditions per place. [2025-03-15 01:28:20,755 INFO L140 encePairwiseOnDemand]: 99/108 looper letters, 0 selfloop transitions, 0 changer transitions 377/377 dead transitions. [2025-03-15 01:28:20,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 377 transitions, 7105 flow [2025-03-15 01:28:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:28:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:28:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 767 transitions. [2025-03-15 01:28:20,759 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7890946502057613 [2025-03-15 01:28:20,759 INFO L298 CegarLoopForPetriNet]: 117 programPoint places, 40 predicate places. [2025-03-15 01:28:20,759 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 377 transitions, 7105 flow [2025-03-15 01:28:20,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 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 01:28:20,766 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/read_write_lock-2.i_petrified1_AllErrorsAtOnce [2025-03-15 01:28:20,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2025-03-15 01:28:20,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2025-03-15 01:28:20,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2025-03-15 01:28:20,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2025-03-15 01:28:20,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 16 remaining) [2025-03-15 01:28:20,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 16 remaining) [2025-03-15 01:28:20,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2025-03-15 01:28:20,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2025-03-15 01:28:20,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 01:28:20,797 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:28:20,801 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:28:20,802 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:28:20,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:28:20 BasicIcfg [2025-03-15 01:28:20,806 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:28:20,807 INFO L158 Benchmark]: Toolchain (without parser) took 6119.90ms. Allocated memory was 71.3MB in the beginning and 474.0MB in the end (delta: 402.7MB). Free memory was 43.6MB in the beginning and 187.8MB in the end (delta: -144.2MB). Peak memory consumption was 255.9MB. Max. memory is 8.0GB. [2025-03-15 01:28:20,807 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:28:20,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.56ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 23.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:28:20,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.76ms. Allocated memory is still 71.3MB. Free memory was 23.9MB in the beginning and 22.1MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:28:20,807 INFO L158 Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 71.3MB. Free memory was 22.1MB in the beginning and 21.1MB in the end (delta: 996.2kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:28:20,807 INFO L158 Benchmark]: RCFGBuilder took 304.18ms. Allocated memory is still 71.3MB. Free memory was 21.1MB in the beginning and 31.6MB in the end (delta: -10.5MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2025-03-15 01:28:20,808 INFO L158 Benchmark]: TraceAbstraction took 5405.85ms. Allocated memory was 71.3MB in the beginning and 474.0MB in the end (delta: 402.7MB). Free memory was 30.6MB in the beginning and 187.8MB in the end (delta: -157.2MB). Peak memory consumption was 244.6MB. Max. memory is 8.0GB. [2025-03-15 01:28:20,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.56ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 23.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.76ms. Allocated memory is still 71.3MB. Free memory was 23.9MB in the beginning and 22.1MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.80ms. Allocated memory is still 71.3MB. Free memory was 22.1MB in the beginning and 21.1MB in the end (delta: 996.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 304.18ms. Allocated memory is still 71.3MB. Free memory was 21.1MB in the beginning and 31.6MB in the end (delta: -10.5MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * TraceAbstraction took 5405.85ms. Allocated memory was 71.3MB in the beginning and 474.0MB in the end (delta: 402.7MB). Free memory was 30.6MB in the beginning and 187.8MB in the end (delta: -157.2MB). Peak memory consumption was 244.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 711]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 711]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 740]: 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, 137 locations, 16 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: 5.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 410 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 410 mSDsluCounter, 149 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1023 IncrementalHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 82 mSDtfsCounter, 1023 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7105occurred in iteration=10, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 467 NumberOfCodeBlocks, 467 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 457 ConstructedInterpolants, 0 QuantifiedInterpolants, 1159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:28:20,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...