/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_19-nested_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:58:21,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:58:21,913 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 01:58:21,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:58:21,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:58:21,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:58:21,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:58:21,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:58:21,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:58:21,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:58:21,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:58:21,951 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 01:58:22,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:58:22,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:58:22,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:58:22,198 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:58:22,198 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:58:22,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_19-nested_nr.i [2025-03-15 01:58:23,396 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96498db8d/83ea65a045104947be7c7c6bf100ea54/FLAGa22e72d52 [2025-03-15 01:58:23,628 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:58:23,628 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_19-nested_nr.i [2025-03-15 01:58:23,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96498db8d/83ea65a045104947be7c7c6bf100ea54/FLAGa22e72d52 [2025-03-15 01:58:23,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96498db8d/83ea65a045104947be7c7c6bf100ea54 [2025-03-15 01:58:23,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:58:23,656 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:58:23,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:58:23,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:58:23,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:58:23,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:58:23" (1/1) ... [2025-03-15 01:58:23,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47169118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:23, skipping insertion in model container [2025-03-15 01:58:23,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:58:23" (1/1) ... [2025-03-15 01:58:23,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:58:23,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:58:23,999 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:58:24,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:58:24,129 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:58:24,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24 WrapperNode [2025-03-15 01:58:24,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:58:24,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:58:24,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:58:24,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:58:24,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,176 INFO L138 Inliner]: procedures = 372, calls = 87, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 184 [2025-03-15 01:58:24,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:58:24,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:58:24,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:58:24,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:58:24,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,222 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:58:24,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:58:24,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:58:24,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:58:24,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (1/1) ... [2025-03-15 01:58:24,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:58:24,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:24,265 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 01:58:24,267 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 01:58:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:58:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:58:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:58:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:58:24,286 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 01:58:24,400 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:58:24,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:58:24,666 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:58:24,667 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:58:24,688 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:58:24,688 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:58:24,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:58:24 BoogieIcfgContainer [2025-03-15 01:58:24,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:58:24,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:58:24,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:58:24,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:58:24,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:58:23" (1/3) ... [2025-03-15 01:58:24,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72388c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:58:24, skipping insertion in model container [2025-03-15 01:58:24,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:24" (2/3) ... [2025-03-15 01:58:24,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72388c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:58:24, skipping insertion in model container [2025-03-15 01:58:24,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:58:24" (3/3) ... [2025-03-15 01:58:24,714 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_19-nested_nr.i [2025-03-15 01:58:24,725 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:58:24,727 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_19-nested_nr.i that has 2 procedures, 212 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-03-15 01:58:24,727 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:58:24,786 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:58:24,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:58:24,832 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;@270ee156, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:58:24,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-15 01:58:24,867 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:58:24,867 INFO L124 PetriNetUnfolderBase]: 0/74 cut-off events. [2025-03-15 01:58:24,869 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:58:24,869 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:24,869 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] [2025-03-15 01:58:24,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-15 01:58:24,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:24,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1879683458, now seen corresponding path program 1 times [2025-03-15 01:58:24,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:24,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293508045] [2025-03-15 01:58:24,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:24,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:25,210 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 01:58:25,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:25,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293508045] [2025-03-15 01:58:25,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293508045] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:25,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:25,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:25,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023915461] [2025-03-15 01:58:25,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:25,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:25,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:25,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:25,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:25,241 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 215 [2025-03-15 01:58:25,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 215 transitions, 434 flow. Second operand has 4 states, 4 states have (on average 195.5) internal successors, (782), 4 states have internal predecessors, (782), 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 01:58:25,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:25,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 215 [2025-03-15 01:58:25,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:25,395 INFO L124 PetriNetUnfolderBase]: 8/259 cut-off events. [2025-03-15 01:58:25,395 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 01:58:25,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 259 events. 8/259 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 425 event pairs, 6 based on Foata normal form. 4/251 useless extension candidates. Maximal degree in co-relation 174. Up to 32 conditions per place. [2025-03-15 01:58:25,402 INFO L140 encePairwiseOnDemand]: 206/215 looper letters, 16 selfloop transitions, 4 changer transitions 71/219 dead transitions. [2025-03-15 01:58:25,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 219 transitions, 493 flow [2025-03-15 01:58:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1001 transitions. [2025-03-15 01:58:25,418 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9311627906976744 [2025-03-15 01:58:25,420 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 3 predicate places. [2025-03-15 01:58:25,420 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 219 transitions, 493 flow [2025-03-15 01:58:25,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 195.5) internal successors, (782), 4 states have internal predecessors, (782), 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 01:58:25,421 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:25,421 INFO L221 CegarLoopForPetriNet]: trace histogram [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] [2025-03-15 01:58:25,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:58:25,422 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-15 01:58:25,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:25,423 INFO L85 PathProgramCache]: Analyzing trace with hash 840106351, now seen corresponding path program 1 times [2025-03-15 01:58:25,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:25,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858726329] [2025-03-15 01:58:25,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:25,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:25,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858726329] [2025-03-15 01:58:25,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858726329] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779743952] [2025-03-15 01:58:25,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:25,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:25,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:25,569 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 01:58:25,570 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 01:58:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:25,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:58:25,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:25,729 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:58:25,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779743952] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:25,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:58:25,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-15 01:58:25,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855016363] [2025-03-15 01:58:25,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:25,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:58:25,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:25,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:58:25,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-15 01:58:25,733 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 215 [2025-03-15 01:58:25,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 219 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 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 01:58:25,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:25,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 215 [2025-03-15 01:58:25,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:25,844 INFO L124 PetriNetUnfolderBase]: 8/258 cut-off events. [2025-03-15 01:58:25,844 INFO L125 PetriNetUnfolderBase]: For 17/31 co-relation queries the response was YES. [2025-03-15 01:58:25,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 258 events. 8/258 cut-off events. For 17/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 411 event pairs, 6 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 191. Up to 31 conditions per place. [2025-03-15 01:58:25,845 INFO L140 encePairwiseOnDemand]: 209/215 looper letters, 12 selfloop transitions, 7 changer transitions 71/218 dead transitions. [2025-03-15 01:58:25,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 218 transitions, 539 flow [2025-03-15 01:58:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:58:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:58:25,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1384 transitions. [2025-03-15 01:58:25,849 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9196013289036545 [2025-03-15 01:58:25,849 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 8 predicate places. [2025-03-15 01:58:25,849 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 218 transitions, 539 flow [2025-03-15 01:58:25,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 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 01:58:25,850 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:25,850 INFO L221 CegarLoopForPetriNet]: trace histogram [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] [2025-03-15 01:58:25,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-15 01:58:26,051 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 01:58:26,051 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-15 01:58:26,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:26,052 INFO L85 PathProgramCache]: Analyzing trace with hash 273493601, now seen corresponding path program 1 times [2025-03-15 01:58:26,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:26,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760059069] [2025-03-15 01:58:26,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:26,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:58:26,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:26,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760059069] [2025-03-15 01:58:26,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760059069] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:26,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:26,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:26,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206490320] [2025-03-15 01:58:26,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:26,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:26,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:26,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:26,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:26,154 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 215 [2025-03-15 01:58:26,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 218 transitions, 539 flow. Second operand has 4 states, 4 states have (on average 197.5) internal successors, (790), 4 states have internal predecessors, (790), 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 01:58:26,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:26,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 215 [2025-03-15 01:58:26,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:26,227 INFO L124 PetriNetUnfolderBase]: 8/257 cut-off events. [2025-03-15 01:58:26,227 INFO L125 PetriNetUnfolderBase]: For 48/76 co-relation queries the response was YES. [2025-03-15 01:58:26,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 257 events. 8/257 cut-off events. For 48/76 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 410 event pairs, 6 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 206. Up to 30 conditions per place. [2025-03-15 01:58:26,230 INFO L140 encePairwiseOnDemand]: 209/215 looper letters, 10 selfloop transitions, 8 changer transitions 71/217 dead transitions. [2025-03-15 01:58:26,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 217 transitions, 581 flow [2025-03-15 01:58:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 989 transitions. [2025-03-15 01:58:26,233 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.92 [2025-03-15 01:58:26,233 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 11 predicate places. [2025-03-15 01:58:26,233 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 217 transitions, 581 flow [2025-03-15 01:58:26,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 197.5) internal successors, (790), 4 states have internal predecessors, (790), 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 01:58:26,234 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:26,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:26,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:58:26,234 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-15 01:58:26,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash 337182124, now seen corresponding path program 1 times [2025-03-15 01:58:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:26,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451219910] [2025-03-15 01:58:26,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:26,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:26,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451219910] [2025-03-15 01:58:26,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451219910] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:26,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901020989] [2025-03-15 01:58:26,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:26,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:26,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:26,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:58:26,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-15 01:58:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:26,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-15 01:58:26,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:26,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:58:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:26,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901020989] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:58:26,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:58:26,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-15 01:58:26,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760359514] [2025-03-15 01:58:26,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:58:26,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-15 01:58:26,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:26,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-15 01:58:26,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-15 01:58:26,548 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 215 [2025-03-15 01:58:26,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 217 transitions, 581 flow. Second operand has 10 states, 10 states have (on average 196.7) internal successors, (1967), 10 states have internal predecessors, (1967), 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 01:58:26,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:26,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 215 [2025-03-15 01:58:26,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:26,676 INFO L124 PetriNetUnfolderBase]: 8/265 cut-off events. [2025-03-15 01:58:26,677 INFO L125 PetriNetUnfolderBase]: For 94/136 co-relation queries the response was YES. [2025-03-15 01:58:26,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 265 events. 8/265 cut-off events. For 94/136 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 398 event pairs, 6 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 264. Up to 38 conditions per place. [2025-03-15 01:58:26,678 INFO L140 encePairwiseOnDemand]: 209/215 looper letters, 17 selfloop transitions, 9 changer transitions 71/225 dead transitions. [2025-03-15 01:58:26,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 225 transitions, 709 flow [2025-03-15 01:58:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:58:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:58:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1780 transitions. [2025-03-15 01:58:26,681 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9198966408268734 [2025-03-15 01:58:26,683 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 19 predicate places. [2025-03-15 01:58:26,683 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 225 transitions, 709 flow [2025-03-15 01:58:26,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 196.7) internal successors, (1967), 10 states have internal predecessors, (1967), 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 01:58:26,684 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:26,684 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:26,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-15 01:58:26,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-15 01:58:26,885 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-15 01:58:26,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:26,886 INFO L85 PathProgramCache]: Analyzing trace with hash 140878540, now seen corresponding path program 2 times [2025-03-15 01:58:26,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:26,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342319375] [2025-03-15 01:58:26,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:26,910 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:26,910 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-15 01:58:27,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:27,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342319375] [2025-03-15 01:58:27,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342319375] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:27,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:27,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:27,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957179497] [2025-03-15 01:58:27,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:27,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:27,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:27,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:27,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:27,016 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 215 [2025-03-15 01:58:27,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 225 transitions, 709 flow. Second operand has 4 states, 4 states have (on average 194.75) internal successors, (779), 4 states have internal predecessors, (779), 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 01:58:27,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:27,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 215 [2025-03-15 01:58:27,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:27,100 INFO L124 PetriNetUnfolderBase]: 8/313 cut-off events. [2025-03-15 01:58:27,100 INFO L125 PetriNetUnfolderBase]: For 155/211 co-relation queries the response was YES. [2025-03-15 01:58:27,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 313 events. 8/313 cut-off events. For 155/211 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 388 event pairs, 6 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 334. Up to 38 conditions per place. [2025-03-15 01:58:27,101 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 16 selfloop transitions, 4 changer transitions 71/233 dead transitions. [2025-03-15 01:58:27,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 233 transitions, 781 flow [2025-03-15 01:58:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 996 transitions. [2025-03-15 01:58:27,103 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9265116279069767 [2025-03-15 01:58:27,103 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 23 predicate places. [2025-03-15 01:58:27,103 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 233 transitions, 781 flow [2025-03-15 01:58:27,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 194.75) internal successors, (779), 4 states have internal predecessors, (779), 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 01:58:27,104 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:27,104 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:27,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:58:27,104 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-15 01:58:27,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:27,105 INFO L85 PathProgramCache]: Analyzing trace with hash -180577281, now seen corresponding path program 1 times [2025-03-15 01:58:27,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:27,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221027940] [2025-03-15 01:58:27,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-15 01:58:27,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:27,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221027940] [2025-03-15 01:58:27,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221027940] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:27,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114579076] [2025-03-15 01:58:27,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:27,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:27,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:58:27,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-15 01:58:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:27,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-15 01:58:27,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-15 01:58:27,574 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:58:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-15 01:58:27,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114579076] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:58:27,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:58:27,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-03-15 01:58:27,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452261724] [2025-03-15 01:58:27,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:58:27,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-15 01:58:27,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:27,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-15 01:58:27,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-15 01:58:27,671 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 215 [2025-03-15 01:58:27,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 233 transitions, 781 flow. Second operand has 18 states, 18 states have (on average 197.05555555555554) internal successors, (3547), 18 states have internal predecessors, (3547), 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 01:58:27,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:27,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 215 [2025-03-15 01:58:27,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:27,880 INFO L124 PetriNetUnfolderBase]: 8/341 cut-off events. [2025-03-15 01:58:27,880 INFO L125 PetriNetUnfolderBase]: For 231/301 co-relation queries the response was YES. [2025-03-15 01:58:27,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 341 events. 8/341 cut-off events. For 231/301 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 405 event pairs, 6 based on Foata normal form. 0/331 useless extension candidates. Maximal degree in co-relation 528. Up to 66 conditions per place. [2025-03-15 01:58:27,883 INFO L140 encePairwiseOnDemand]: 209/215 looper letters, 33 selfloop transitions, 21 changer transitions 71/261 dead transitions. [2025-03-15 01:58:27,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 261 transitions, 1181 flow [2025-03-15 01:58:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:58:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:58:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4138 transitions. [2025-03-15 01:58:27,905 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9165005537098561 [2025-03-15 01:58:27,906 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 43 predicate places. [2025-03-15 01:58:27,906 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 261 transitions, 1181 flow [2025-03-15 01:58:27,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 197.05555555555554) internal successors, (3547), 18 states have internal predecessors, (3547), 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 01:58:27,907 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:27,908 INFO L221 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:27,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-15 01:58:28,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:28,108 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-15 01:58:28,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:28,109 INFO L85 PathProgramCache]: Analyzing trace with hash -765723073, now seen corresponding path program 2 times [2025-03-15 01:58:28,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:28,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423197800] [2025-03-15 01:58:28,110 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:28,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:28,166 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:58:28,166 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-03-15 01:58:28,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:28,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423197800] [2025-03-15 01:58:28,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423197800] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:28,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675871755] [2025-03-15 01:58:28,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:28,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:28,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:28,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:58:28,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-15 01:58:28,539 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:58:28,539 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:28,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-15 01:58:28,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-15 01:58:28,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:58:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-15 01:58:28,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675871755] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:58:28,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:58:28,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 25 [2025-03-15 01:58:28,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86684150] [2025-03-15 01:58:28,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:58:28,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-15 01:58:28,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:28,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-15 01:58:28,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2025-03-15 01:58:29,002 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 215 [2025-03-15 01:58:29,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 261 transitions, 1181 flow. Second operand has 25 states, 25 states have (on average 185.12) internal successors, (4628), 25 states have internal predecessors, (4628), 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 01:58:29,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:29,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 215 [2025-03-15 01:58:29,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:29,471 INFO L124 PetriNetUnfolderBase]: 8/361 cut-off events. [2025-03-15 01:58:29,471 INFO L125 PetriNetUnfolderBase]: For 329/413 co-relation queries the response was YES. [2025-03-15 01:58:29,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 989 conditions, 361 events. 8/361 cut-off events. For 329/413 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 384 event pairs, 6 based on Foata normal form. 0/352 useless extension candidates. Maximal degree in co-relation 747. Up to 87 conditions per place. [2025-03-15 01:58:29,473 INFO L140 encePairwiseOnDemand]: 203/215 looper letters, 57 selfloop transitions, 36 changer transitions 71/281 dead transitions. [2025-03-15 01:58:29,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 281 transitions, 1631 flow [2025-03-15 01:58:29,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-15 01:58:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2025-03-15 01:58:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6440 transitions. [2025-03-15 01:58:29,483 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8558139534883721 [2025-03-15 01:58:29,484 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 76 predicate places. [2025-03-15 01:58:29,484 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 281 transitions, 1631 flow [2025-03-15 01:58:29,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 185.12) internal successors, (4628), 25 states have internal predecessors, (4628), 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 01:58:29,485 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:29,485 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:29,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-15 01:58:29,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:29,686 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2025-03-15 01:58:29,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1303572451, now seen corresponding path program 1 times [2025-03-15 01:58:29,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:29,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484297916] [2025-03-15 01:58:29,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:29,822 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2025-03-15 01:58:29,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:29,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484297916] [2025-03-15 01:58:29,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484297916] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:29,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:29,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:29,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69908581] [2025-03-15 01:58:29,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:29,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:29,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:29,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:29,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:29,825 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 215 [2025-03-15 01:58:29,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 281 transitions, 1631 flow. Second operand has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 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 01:58:29,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:29,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 215 [2025-03-15 01:58:29,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:29,898 INFO L124 PetriNetUnfolderBase]: 8/360 cut-off events. [2025-03-15 01:58:29,898 INFO L125 PetriNetUnfolderBase]: For 449/547 co-relation queries the response was YES. [2025-03-15 01:58:29,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 360 events. 8/360 cut-off events. For 449/547 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 384 event pairs, 6 based on Foata normal form. 0/352 useless extension candidates. Maximal degree in co-relation 764. Up to 87 conditions per place. [2025-03-15 01:58:29,899 INFO L140 encePairwiseOnDemand]: 209/215 looper letters, 0 selfloop transitions, 0 changer transitions 280/280 dead transitions. [2025-03-15 01:58:29,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 280 transitions, 1677 flow [2025-03-15 01:58:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 985 transitions. [2025-03-15 01:58:29,901 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9162790697674419 [2025-03-15 01:58:29,901 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 79 predicate places. [2025-03-15 01:58:29,901 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 280 transitions, 1677 flow [2025-03-15 01:58:29,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 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 01:58:29,908 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/09-regions_19-nested_nr.i_petrified1_AllErrorsAtOnce [2025-03-15 01:58:29,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2025-03-15 01:58:29,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2025-03-15 01:58:29,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2025-03-15 01:58:29,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2025-03-15 01:58:29,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-03-15 01:58:29,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:58:29,938 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2025-03-15 01:58:29,944 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:58:29,944 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:58:29,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:58:29 BasicIcfg [2025-03-15 01:58:29,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:58:29,949 INFO L158 Benchmark]: Toolchain (without parser) took 6293.00ms. Allocated memory was 71.3MB in the beginning and 167.8MB in the end (delta: 96.5MB). Free memory was 41.8MB in the beginning and 53.8MB in the end (delta: -11.9MB). Peak memory consumption was 81.7MB. Max. memory is 8.0GB. [2025-03-15 01:58:29,949 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 71.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:58:29,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.97ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 24.4MB in the end (delta: 17.3MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2025-03-15 01:58:29,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.50ms. Allocated memory is still 71.3MB. Free memory was 24.4MB in the beginning and 21.0MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:58:29,949 INFO L158 Benchmark]: Boogie Preprocessor took 59.76ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 40.0MB in the end (delta: -19.0MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2025-03-15 01:58:29,949 INFO L158 Benchmark]: RCFGBuilder took 451.28ms. Allocated memory is still 71.3MB. Free memory was 40.0MB in the beginning and 16.1MB in the end (delta: 23.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:58:29,950 INFO L158 Benchmark]: TraceAbstraction took 5243.77ms. Allocated memory was 104.9MB in the beginning and 167.8MB in the end (delta: 62.9MB). Free memory was 71.0MB in the beginning and 53.8MB in the end (delta: 17.2MB). Peak memory consumption was 77.0MB. Max. memory is 8.0GB. [2025-03-15 01:58:29,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 71.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 474.97ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 24.4MB in the end (delta: 17.3MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.50ms. Allocated memory is still 71.3MB. Free memory was 24.4MB in the beginning and 21.0MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 59.76ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 40.0MB in the end (delta: -19.0MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * RCFGBuilder took 451.28ms. Allocated memory is still 71.3MB. Free memory was 40.0MB in the beginning and 16.1MB in the end (delta: 23.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 5243.77ms. Allocated memory was 104.9MB in the beginning and 167.8MB in the end (delta: 62.9MB). Free memory was 71.0MB in the beginning and 53.8MB in the end (delta: 17.2MB). Peak memory consumption was 77.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1256]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1256]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1262]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1262]: 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, 259 locations, 5 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: 5.1s, OverallIterations: 8, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 212 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 785 IncrementalHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 56 mSDtfsCounter, 785 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1259 GetRequests, 1143 SyntacticMatches, 11 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1677occurred in iteration=8, InterpolantAutomatonStates: 92, 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, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1808 NumberOfCodeBlocks, 1787 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2347 ConstructedInterpolants, 0 QuantifiedInterpolants, 3153 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1793 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 783/1215 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 01:58:29,968 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...