/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/goblint-regression/09-regions_12-arraycollapse_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:58:06,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:58:06,530 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 01:58:06,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:58:06,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:58:06,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:58:06,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:58:06,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:58:06,555 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:58:06,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:58:06,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:58:06,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:58:06,556 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 01:58:06,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:58:06,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:58:06,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:58:06,816 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:58:06,816 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:58:06,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_12-arraycollapse_rc.i [2025-03-15 01:58:08,005 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5fb6d3e/92d5c2b714304ac29fdce1293e5f6e00/FLAGd5f0e8f4b [2025-03-15 01:58:08,256 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:58:08,257 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_12-arraycollapse_rc.i [2025-03-15 01:58:08,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5fb6d3e/92d5c2b714304ac29fdce1293e5f6e00/FLAGd5f0e8f4b [2025-03-15 01:58:08,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5fb6d3e/92d5c2b714304ac29fdce1293e5f6e00 [2025-03-15 01:58:08,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:58:08,280 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:58:08,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:58:08,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:58:08,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:58:08,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1d0227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08, skipping insertion in model container [2025-03-15 01:58:08,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:58:08,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:58:08,679 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:58:08,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:58:08,801 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:58:08,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08 WrapperNode [2025-03-15 01:58:08,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:58:08,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:58:08,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:58:08,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:58:08,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,849 INFO L138 Inliner]: procedures = 372, calls = 94, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 217 [2025-03-15 01:58:08,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:58:08,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:58:08,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:58:08,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:58:08,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,878 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:58:08,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:58:08,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:58:08,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:58:08,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (1/1) ... [2025-03-15 01:58:08,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:58:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:08,912 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 01:58:08,913 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 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-15 01:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:58:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:58:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:58:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:58:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:58:08,930 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 01:58:09,031 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:58:09,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:58:09,346 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:58:09,346 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:58:09,370 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:58:09,370 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:58:09,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:58:09 BoogieIcfgContainer [2025-03-15 01:58:09,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:58:09,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:58:09,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:58:09,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:58:09,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:58:08" (1/3) ... [2025-03-15 01:58:09,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c8aab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:58:09, skipping insertion in model container [2025-03-15 01:58:09,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:08" (2/3) ... [2025-03-15 01:58:09,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c8aab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:58:09, skipping insertion in model container [2025-03-15 01:58:09,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:58:09" (3/3) ... [2025-03-15 01:58:09,378 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2025-03-15 01:58:09,389 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:58:09,390 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_12-arraycollapse_rc.i that has 2 procedures, 256 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-03-15 01:58:09,390 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:58:09,444 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:58:09,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:58:09,498 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;@e2e770a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:58:09,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-15 01:58:09,552 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:58:09,552 INFO L124 PetriNetUnfolderBase]: 2/164 cut-off events. [2025-03-15 01:58:09,557 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:58:09,557 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:09,558 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:09,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-15 01:58:09,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash -90690567, now seen corresponding path program 1 times [2025-03-15 01:58:09,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:09,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457239983] [2025-03-15 01:58:09,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:10,062 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 01:58:10,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:10,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457239983] [2025-03-15 01:58:10,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457239983] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:10,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:10,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:10,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553544436] [2025-03-15 01:58:10,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:10,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:10,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:10,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:10,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:10,095 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 259 [2025-03-15 01:58:10,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 259 transitions, 522 flow. Second operand has 4 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 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 01:58:10,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:10,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 259 [2025-03-15 01:58:10,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:10,272 INFO L124 PetriNetUnfolderBase]: 7/344 cut-off events. [2025-03-15 01:58:10,272 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 01:58:10,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 344 events. 7/344 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 315 event pairs, 6 based on Foata normal form. 5/339 useless extension candidates. Maximal degree in co-relation 263. Up to 34 conditions per place. [2025-03-15 01:58:10,279 INFO L140 encePairwiseOnDemand]: 249/259 looper letters, 18 selfloop transitions, 4 changer transitions 135/264 dead transitions. [2025-03-15 01:58:10,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 264 transitions, 591 flow [2025-03-15 01:58:10,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1211 transitions. [2025-03-15 01:58:10,295 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9351351351351351 [2025-03-15 01:58:10,297 INFO L298 CegarLoopForPetriNet]: 259 programPoint places, 3 predicate places. [2025-03-15 01:58:10,297 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 264 transitions, 591 flow [2025-03-15 01:58:10,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 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 01:58:10,298 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:10,298 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:10,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:58:10,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-15 01:58:10,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:10,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1136965571, now seen corresponding path program 1 times [2025-03-15 01:58:10,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:10,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555201917] [2025-03-15 01:58:10,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:10,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:10,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:10,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555201917] [2025-03-15 01:58:10,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555201917] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:10,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712047237] [2025-03-15 01:58:10,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:10,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:10,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:10,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:58:10,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-15 01:58:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:10,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:58:10,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:10,987 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:58:10,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712047237] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:10,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:58:10,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-15 01:58:10,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590414927] [2025-03-15 01:58:10,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:10,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:58:10,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:10,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:58:10,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-15 01:58:10,992 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 259 [2025-03-15 01:58:10,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 264 transitions, 591 flow. Second operand has 6 states, 6 states have (on average 237.83333333333334) internal successors, (1427), 6 states have internal predecessors, (1427), 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 01:58:10,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:10,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 259 [2025-03-15 01:58:10,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:11,124 INFO L124 PetriNetUnfolderBase]: 7/343 cut-off events. [2025-03-15 01:58:11,125 INFO L125 PetriNetUnfolderBase]: For 23/37 co-relation queries the response was YES. [2025-03-15 01:58:11,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 343 events. 7/343 cut-off events. For 23/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 313 event pairs, 6 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 284. Up to 33 conditions per place. [2025-03-15 01:58:11,127 INFO L140 encePairwiseOnDemand]: 253/259 looper letters, 15 selfloop transitions, 6 changer transitions 135/263 dead transitions. [2025-03-15 01:58:11,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 263 transitions, 645 flow [2025-03-15 01:58:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:58:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:58:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1675 transitions. [2025-03-15 01:58:11,132 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9238830667402096 [2025-03-15 01:58:11,133 INFO L298 CegarLoopForPetriNet]: 259 programPoint places, 8 predicate places. [2025-03-15 01:58:11,133 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 263 transitions, 645 flow [2025-03-15 01:58:11,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 237.83333333333334) internal successors, (1427), 6 states have internal predecessors, (1427), 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 01:58:11,133 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:11,134 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:11,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-15 01:58:11,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:11,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-15 01:58:11,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:11,340 INFO L85 PathProgramCache]: Analyzing trace with hash -886194002, now seen corresponding path program 1 times [2025-03-15 01:58:11,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:11,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098671403] [2025-03-15 01:58:11,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:11,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:58:11,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:11,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098671403] [2025-03-15 01:58:11,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098671403] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:11,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:11,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:11,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474568618] [2025-03-15 01:58:11,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:11,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:11,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:11,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:11,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:11,511 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 259 [2025-03-15 01:58:11,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 263 transitions, 645 flow. Second operand has 4 states, 4 states have (on average 239.5) internal successors, (958), 4 states have internal predecessors, (958), 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 01:58:11,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:11,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 259 [2025-03-15 01:58:11,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:11,578 INFO L124 PetriNetUnfolderBase]: 7/342 cut-off events. [2025-03-15 01:58:11,578 INFO L125 PetriNetUnfolderBase]: For 66/94 co-relation queries the response was YES. [2025-03-15 01:58:11,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 342 events. 7/342 cut-off events. For 66/94 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 310 event pairs, 6 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 303. Up to 32 conditions per place. [2025-03-15 01:58:11,579 INFO L140 encePairwiseOnDemand]: 253/259 looper letters, 0 selfloop transitions, 0 changer transitions 262/262 dead transitions. [2025-03-15 01:58:11,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 262 transitions, 695 flow [2025-03-15 01:58:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1196 transitions. [2025-03-15 01:58:11,584 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9235521235521236 [2025-03-15 01:58:11,585 INFO L298 CegarLoopForPetriNet]: 259 programPoint places, 11 predicate places. [2025-03-15 01:58:11,585 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 262 transitions, 695 flow [2025-03-15 01:58:11,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 239.5) internal successors, (958), 4 states have internal predecessors, (958), 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 01:58:11,599 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/09-regions_12-arraycollapse_rc.i_petrified1_AllErrorsAtOnce [2025-03-15 01:58:11,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 3 remaining) [2025-03-15 01:58:11,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 3 remaining) [2025-03-15 01:58:11,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-03-15 01:58:11,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:58:11,621 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-15 01:58:11,624 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:58:11,624 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:58:11,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:58:11 BasicIcfg [2025-03-15 01:58:11,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:58:11,630 INFO L158 Benchmark]: Toolchain (without parser) took 3349.42ms. Allocated memory was 71.3MB in the beginning and 121.6MB in the end (delta: 50.3MB). Free memory was 42.7MB in the beginning and 54.9MB in the end (delta: -12.2MB). Peak memory consumption was 33.9MB. Max. memory is 8.0GB. [2025-03-15 01:58:11,630 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 71.3MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 752B). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:58:11,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.45ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 24.9MB in the end (delta: 17.7MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2025-03-15 01:58:11,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.50ms. Allocated memory is still 71.3MB. Free memory was 24.9MB in the beginning and 21.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:58:11,632 INFO L158 Benchmark]: Boogie Preprocessor took 34.48ms. Allocated memory is still 71.3MB. Free memory was 21.7MB in the beginning and 40.3MB in the end (delta: -18.7MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2025-03-15 01:58:11,632 INFO L158 Benchmark]: RCFGBuilder took 485.83ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 40.3MB in the beginning and 64.8MB in the end (delta: -24.5MB). Peak memory consumption was 23.6MB. Max. memory is 8.0GB. [2025-03-15 01:58:11,632 INFO L158 Benchmark]: TraceAbstraction took 2255.27ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 54.9MB in the end (delta: 8.8MB). Peak memory consumption was 24.9MB. Max. memory is 8.0GB. [2025-03-15 01:58:11,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 71.3MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 752B). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 521.45ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 24.9MB in the end (delta: 17.7MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.50ms. Allocated memory is still 71.3MB. Free memory was 24.9MB in the beginning and 21.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 34.48ms. Allocated memory is still 71.3MB. Free memory was 21.7MB in the beginning and 40.3MB in the end (delta: -18.7MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * RCFGBuilder took 485.83ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 40.3MB in the beginning and 64.8MB in the end (delta: -24.5MB). Peak memory consumption was 23.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2255.27ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 54.9MB in the end (delta: 8.8MB). Peak memory consumption was 24.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1254]: 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 3 procedures, 303 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 20 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=695occurred in iteration=3, InterpolantAutomatonStates: 17, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 604 ConstructedInterpolants, 0 QuantifiedInterpolants, 1168 SizeOfPredicates, 3 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 93/139 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:58:11,647 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...