/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 08:19:39,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 08:19:39,228 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 [2023-11-30 08:19:39,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 08:19:39,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 08:19:39,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 08:19:39,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 08:19:39,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 08:19:39,265 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 08:19:39,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 08:19:39,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 08:19:39,270 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 08:19:39,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 08:19:39,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 08:19:39,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 08:19:39,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 08:19:39,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 08:19:39,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 08:19:39,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 08:19:39,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 08:19:39,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 08:19:39,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 08:19:39,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 08:19:39,276 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 08:19:39,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 08:19:39,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:19:39,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 08:19:39,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 08:19:39,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 08:19:39,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 08:19:39,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 08:19:39,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 08:19:39,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 08:19:39,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 08:19:39,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 08:19:39,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 08:19:39,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 08:19:39,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 08:19:39,491 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 08:19:39,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-30 08:19:40,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 08:19:40,932 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 08:19:40,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-30 08:19:40,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9c8c6a1a/04348aa2d4394591b453d0e549a93efa/FLAG772c5dcac [2023-11-30 08:19:40,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9c8c6a1a/04348aa2d4394591b453d0e549a93efa [2023-11-30 08:19:40,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 08:19:40,963 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 08:19:40,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 08:19:40,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 08:19:40,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 08:19:40,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:19:40" (1/1) ... [2023-11-30 08:19:40,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714faec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:40, skipping insertion in model container [2023-11-30 08:19:40,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:19:40" (1/1) ... [2023-11-30 08:19:41,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 08:19:41,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:19:41,266 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 08:19:41,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:19:41,347 INFO L206 MainTranslator]: Completed translation [2023-11-30 08:19:41,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41 WrapperNode [2023-11-30 08:19:41,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 08:19:41,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 08:19:41,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 08:19:41,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 08:19:41,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,414 INFO L138 Inliner]: procedures = 166, calls = 50, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 201 [2023-11-30 08:19:41,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 08:19:41,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 08:19:41,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 08:19:41,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 08:19:41,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 08:19:41,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 08:19:41,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 08:19:41,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 08:19:41,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (1/1) ... [2023-11-30 08:19:41,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:19:41,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 08:19:41,494 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) [2023-11-30 08:19:41,502 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 [2023-11-30 08:19:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 08:19:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 08:19:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 08:19:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 08:19:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 08:19:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 08:19:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 08:19:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 08:19:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 08:19:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 08:19:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 08:19:41,524 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 08:19:41,688 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 08:19:41,690 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 08:19:42,010 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 08:19:42,039 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 08:19:42,039 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 08:19:42,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:19:42 BoogieIcfgContainer [2023-11-30 08:19:42,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 08:19:42,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 08:19:42,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 08:19:42,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 08:19:42,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 08:19:40" (1/3) ... [2023-11-30 08:19:42,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2985a8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:19:42, skipping insertion in model container [2023-11-30 08:19:42,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:19:41" (2/3) ... [2023-11-30 08:19:42,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2985a8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:19:42, skipping insertion in model container [2023-11-30 08:19:42,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:19:42" (3/3) ... [2023-11-30 08:19:42,047 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-30 08:19:42,060 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 08:19:42,060 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-30 08:19:42,061 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 08:19:42,124 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 08:19:42,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 235 places, 247 transitions, 498 flow [2023-11-30 08:19:42,252 INFO L124 PetriNetUnfolderBase]: 15/250 cut-off events. [2023-11-30 08:19:42,252 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:19:42,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 250 events. 15/250 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 354 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 203. Up to 2 conditions per place. [2023-11-30 08:19:42,264 INFO L82 GeneralOperation]: Start removeDead. Operand has 235 places, 247 transitions, 498 flow [2023-11-30 08:19:42,273 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 234 places, 245 transitions, 493 flow [2023-11-30 08:19:42,283 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 08:19:42,289 INFO L362 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3907bca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 08:19:42,290 INFO L363 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2023-11-30 08:19:42,311 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 08:19:42,311 INFO L124 PetriNetUnfolderBase]: 0/76 cut-off events. [2023-11-30 08:19:42,311 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:19:42,311 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:42,312 INFO L232 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] [2023-11-30 08:19:42,312 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:42,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:42,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1805979663, now seen corresponding path program 1 times [2023-11-30 08:19:42,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:42,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053385500] [2023-11-30 08:19:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:42,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:42,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:42,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053385500] [2023-11-30 08:19:42,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053385500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:42,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:42,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:19:42,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721359204] [2023-11-30 08:19:42,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:42,687 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:19:42,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:42,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:19:42,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:19:42,715 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 247 [2023-11-30 08:19:42,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 245 transitions, 493 flow. Second operand has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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) [2023-11-30 08:19:42,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:42,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 247 [2023-11-30 08:19:42,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:43,014 INFO L124 PetriNetUnfolderBase]: 176/1383 cut-off events. [2023-11-30 08:19:43,014 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 08:19:43,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1727 conditions, 1383 events. 176/1383 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8807 event pairs, 54 based on Foata normal form. 150/1331 useless extension candidates. Maximal degree in co-relation 1679. Up to 176 conditions per place. [2023-11-30 08:19:43,026 INFO L140 encePairwiseOnDemand]: 230/247 looper letters, 41 selfloop transitions, 4 changer transitions 0/234 dead transitions. [2023-11-30 08:19:43,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 234 transitions, 561 flow [2023-11-30 08:19:43,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:19:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:19:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 862 transitions. [2023-11-30 08:19:43,045 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8724696356275303 [2023-11-30 08:19:43,045 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 862 transitions. [2023-11-30 08:19:43,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 862 transitions. [2023-11-30 08:19:43,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:43,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 862 transitions. [2023-11-30 08:19:43,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 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) [2023-11-30 08:19:43,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 247.0) internal successors, (1235), 5 states have internal predecessors, (1235), 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) [2023-11-30 08:19:43,062 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 247.0) internal successors, (1235), 5 states have internal predecessors, (1235), 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) [2023-11-30 08:19:43,069 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, -9 predicate places. [2023-11-30 08:19:43,070 INFO L500 AbstractCegarLoop]: Abstraction has has 225 places, 234 transitions, 561 flow [2023-11-30 08:19:43,070 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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) [2023-11-30 08:19:43,071 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:43,071 INFO L232 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] [2023-11-30 08:19:43,071 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 08:19:43,072 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:43,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:43,072 INFO L85 PathProgramCache]: Analyzing trace with hash 150795254, now seen corresponding path program 1 times [2023-11-30 08:19:43,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:43,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091502058] [2023-11-30 08:19:43,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:43,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:43,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:43,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091502058] [2023-11-30 08:19:43,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091502058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:43,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:43,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:19:43,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477239135] [2023-11-30 08:19:43,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:43,220 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:19:43,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:43,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:19:43,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:19:43,225 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 247 [2023-11-30 08:19:43,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 234 transitions, 561 flow. Second operand has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 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) [2023-11-30 08:19:43,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:43,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 247 [2023-11-30 08:19:43,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:43,485 INFO L124 PetriNetUnfolderBase]: 174/1506 cut-off events. [2023-11-30 08:19:43,485 INFO L125 PetriNetUnfolderBase]: For 154/400 co-relation queries the response was YES. [2023-11-30 08:19:43,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2164 conditions, 1506 events. 174/1506 cut-off events. For 154/400 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9780 event pairs, 94 based on Foata normal form. 8/1297 useless extension candidates. Maximal degree in co-relation 2114. Up to 163 conditions per place. [2023-11-30 08:19:43,495 INFO L140 encePairwiseOnDemand]: 242/247 looper letters, 40 selfloop transitions, 4 changer transitions 0/233 dead transitions. [2023-11-30 08:19:43,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 233 transitions, 645 flow [2023-11-30 08:19:43,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:19:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:19:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 833 transitions. [2023-11-30 08:19:43,498 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8431174089068826 [2023-11-30 08:19:43,498 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 833 transitions. [2023-11-30 08:19:43,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 833 transitions. [2023-11-30 08:19:43,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:43,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 833 transitions. [2023-11-30 08:19:43,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 208.25) internal successors, (833), 4 states have internal predecessors, (833), 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) [2023-11-30 08:19:43,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 247.0) internal successors, (1235), 5 states have internal predecessors, (1235), 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) [2023-11-30 08:19:43,503 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 247.0) internal successors, (1235), 5 states have internal predecessors, (1235), 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) [2023-11-30 08:19:43,505 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, -7 predicate places. [2023-11-30 08:19:43,505 INFO L500 AbstractCegarLoop]: Abstraction has has 227 places, 233 transitions, 645 flow [2023-11-30 08:19:43,505 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 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) [2023-11-30 08:19:43,506 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:43,506 INFO L232 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] [2023-11-30 08:19:43,506 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 08:19:43,506 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:43,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:43,507 INFO L85 PathProgramCache]: Analyzing trace with hash 487928581, now seen corresponding path program 1 times [2023-11-30 08:19:43,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:43,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299666369] [2023-11-30 08:19:43,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:43,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:43,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:43,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299666369] [2023-11-30 08:19:43,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299666369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:43,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:43,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 08:19:43,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358749106] [2023-11-30 08:19:43,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:43,634 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 08:19:43,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:43,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 08:19:43,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 08:19:43,637 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2023-11-30 08:19:43,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 233 transitions, 645 flow. Second operand has 5 states, 5 states have (on average 195.6) internal successors, (978), 5 states have internal predecessors, (978), 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) [2023-11-30 08:19:43,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:43,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2023-11-30 08:19:43,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:43,922 INFO L124 PetriNetUnfolderBase]: 187/1258 cut-off events. [2023-11-30 08:19:43,924 INFO L125 PetriNetUnfolderBase]: For 449/1060 co-relation queries the response was YES. [2023-11-30 08:19:43,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2336 conditions, 1258 events. 187/1258 cut-off events. For 449/1060 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8082 event pairs, 52 based on Foata normal form. 16/1108 useless extension candidates. Maximal degree in co-relation 2284. Up to 187 conditions per place. [2023-11-30 08:19:43,933 INFO L140 encePairwiseOnDemand]: 240/247 looper letters, 47 selfloop transitions, 6 changer transitions 0/238 dead transitions. [2023-11-30 08:19:43,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 238 transitions, 785 flow [2023-11-30 08:19:43,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 08:19:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 08:19:43,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1019 transitions. [2023-11-30 08:19:43,939 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8251012145748988 [2023-11-30 08:19:43,939 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1019 transitions. [2023-11-30 08:19:43,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1019 transitions. [2023-11-30 08:19:43,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:43,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1019 transitions. [2023-11-30 08:19:43,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 203.8) internal successors, (1019), 5 states have internal predecessors, (1019), 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) [2023-11-30 08:19:43,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 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) [2023-11-30 08:19:43,946 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 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) [2023-11-30 08:19:43,947 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, -3 predicate places. [2023-11-30 08:19:43,947 INFO L500 AbstractCegarLoop]: Abstraction has has 231 places, 238 transitions, 785 flow [2023-11-30 08:19:43,948 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 195.6) internal successors, (978), 5 states have internal predecessors, (978), 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) [2023-11-30 08:19:43,948 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:43,948 INFO L232 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] [2023-11-30 08:19:43,948 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 08:19:43,948 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:43,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:43,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1637663254, now seen corresponding path program 1 times [2023-11-30 08:19:43,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:43,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085798789] [2023-11-30 08:19:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:44,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:44,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085798789] [2023-11-30 08:19:44,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085798789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:44,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:44,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 08:19:44,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146245347] [2023-11-30 08:19:44,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:44,085 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 08:19:44,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:44,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 08:19:44,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-30 08:19:44,088 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 247 [2023-11-30 08:19:44,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 238 transitions, 785 flow. Second operand has 5 states, 5 states have (on average 194.2) internal successors, (971), 5 states have internal predecessors, (971), 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) [2023-11-30 08:19:44,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:44,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 247 [2023-11-30 08:19:44,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:44,337 INFO L124 PetriNetUnfolderBase]: 201/1705 cut-off events. [2023-11-30 08:19:44,337 INFO L125 PetriNetUnfolderBase]: For 998/1708 co-relation queries the response was YES. [2023-11-30 08:19:44,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3130 conditions, 1705 events. 201/1705 cut-off events. For 998/1708 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 11578 event pairs, 72 based on Foata normal form. 8/1481 useless extension candidates. Maximal degree in co-relation 3076. Up to 179 conditions per place. [2023-11-30 08:19:44,347 INFO L140 encePairwiseOnDemand]: 241/247 looper letters, 65 selfloop transitions, 5 changer transitions 0/253 dead transitions. [2023-11-30 08:19:44,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 253 transitions, 1051 flow [2023-11-30 08:19:44,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 08:19:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 08:19:44,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1008 transitions. [2023-11-30 08:19:44,350 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8161943319838056 [2023-11-30 08:19:44,350 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1008 transitions. [2023-11-30 08:19:44,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1008 transitions. [2023-11-30 08:19:44,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:44,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1008 transitions. [2023-11-30 08:19:44,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 201.6) internal successors, (1008), 5 states have internal predecessors, (1008), 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) [2023-11-30 08:19:44,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 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) [2023-11-30 08:19:44,356 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 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) [2023-11-30 08:19:44,356 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, -2 predicate places. [2023-11-30 08:19:44,357 INFO L500 AbstractCegarLoop]: Abstraction has has 232 places, 253 transitions, 1051 flow [2023-11-30 08:19:44,357 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 194.2) internal successors, (971), 5 states have internal predecessors, (971), 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) [2023-11-30 08:19:44,357 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:44,358 INFO L232 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] [2023-11-30 08:19:44,358 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 08:19:44,358 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:44,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1473523494, now seen corresponding path program 1 times [2023-11-30 08:19:44,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:44,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88244429] [2023-11-30 08:19:44,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:44,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:44,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:44,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88244429] [2023-11-30 08:19:44,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88244429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:44,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:44,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 08:19:44,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213752910] [2023-11-30 08:19:44,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:44,468 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 08:19:44,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:44,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 08:19:44,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-30 08:19:44,471 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 247 [2023-11-30 08:19:44,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 253 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 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) [2023-11-30 08:19:44,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:44,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 247 [2023-11-30 08:19:44,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:44,744 INFO L124 PetriNetUnfolderBase]: 217/1682 cut-off events. [2023-11-30 08:19:44,744 INFO L125 PetriNetUnfolderBase]: For 2024/3059 co-relation queries the response was YES. [2023-11-30 08:19:44,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3536 conditions, 1682 events. 217/1682 cut-off events. For 2024/3059 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 11581 event pairs, 69 based on Foata normal form. 17/1483 useless extension candidates. Maximal degree in co-relation 3477. Up to 187 conditions per place. [2023-11-30 08:19:44,755 INFO L140 encePairwiseOnDemand]: 239/247 looper letters, 75 selfloop transitions, 7 changer transitions 2/264 dead transitions. [2023-11-30 08:19:44,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 264 transitions, 1329 flow [2023-11-30 08:19:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 08:19:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 08:19:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1195 transitions. [2023-11-30 08:19:44,758 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8063427800269906 [2023-11-30 08:19:44,759 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1195 transitions. [2023-11-30 08:19:44,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1195 transitions. [2023-11-30 08:19:44,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:44,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1195 transitions. [2023-11-30 08:19:44,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.16666666666666) internal successors, (1195), 6 states have internal predecessors, (1195), 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) [2023-11-30 08:19:44,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 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) [2023-11-30 08:19:44,765 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 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) [2023-11-30 08:19:44,767 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 2 predicate places. [2023-11-30 08:19:44,767 INFO L500 AbstractCegarLoop]: Abstraction has has 236 places, 264 transitions, 1329 flow [2023-11-30 08:19:44,767 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 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) [2023-11-30 08:19:44,768 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:44,768 INFO L232 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] [2023-11-30 08:19:44,768 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 08:19:44,768 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:44,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:44,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1565412359, now seen corresponding path program 1 times [2023-11-30 08:19:44,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:44,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789050467] [2023-11-30 08:19:44,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:44,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:44,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:44,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:44,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789050467] [2023-11-30 08:19:44,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789050467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:44,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:44,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 08:19:44,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660094825] [2023-11-30 08:19:44,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:44,973 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 08:19:44,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:44,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 08:19:44,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-30 08:19:44,976 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 247 [2023-11-30 08:19:44,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 264 transitions, 1329 flow. Second operand has 8 states, 8 states have (on average 185.0) internal successors, (1480), 8 states have internal predecessors, (1480), 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) [2023-11-30 08:19:44,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:44,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 247 [2023-11-30 08:19:44,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:45,229 INFO L124 PetriNetUnfolderBase]: 189/803 cut-off events. [2023-11-30 08:19:45,229 INFO L125 PetriNetUnfolderBase]: For 2310/4474 co-relation queries the response was YES. [2023-11-30 08:19:45,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2988 conditions, 803 events. 189/803 cut-off events. For 2310/4474 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5211 event pairs, 59 based on Foata normal form. 51/799 useless extension candidates. Maximal degree in co-relation 2921. Up to 187 conditions per place. [2023-11-30 08:19:45,235 INFO L140 encePairwiseOnDemand]: 236/247 looper letters, 61 selfloop transitions, 10 changer transitions 49/263 dead transitions. [2023-11-30 08:19:45,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 263 transitions, 1495 flow [2023-11-30 08:19:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 08:19:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 08:19:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1710 transitions. [2023-11-30 08:19:45,239 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2023-11-30 08:19:45,239 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1710 transitions. [2023-11-30 08:19:45,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1710 transitions. [2023-11-30 08:19:45,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:45,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1710 transitions. [2023-11-30 08:19:45,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 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) [2023-11-30 08:19:45,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 247.0) internal successors, (2470), 10 states have internal predecessors, (2470), 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) [2023-11-30 08:19:45,248 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 247.0) internal successors, (2470), 10 states have internal predecessors, (2470), 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) [2023-11-30 08:19:45,250 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 9 predicate places. [2023-11-30 08:19:45,250 INFO L500 AbstractCegarLoop]: Abstraction has has 243 places, 263 transitions, 1495 flow [2023-11-30 08:19:45,251 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 185.0) internal successors, (1480), 8 states have internal predecessors, (1480), 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) [2023-11-30 08:19:45,251 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:45,251 INFO L232 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] [2023-11-30 08:19:45,251 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 08:19:45,251 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:45,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:45,251 INFO L85 PathProgramCache]: Analyzing trace with hash -673253058, now seen corresponding path program 1 times [2023-11-30 08:19:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:45,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028492740] [2023-11-30 08:19:45,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:45,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:45,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:45,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028492740] [2023-11-30 08:19:45,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028492740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:45,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:45,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:19:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222383110] [2023-11-30 08:19:45,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:45,316 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:19:45,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:45,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:19:45,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:19:45,318 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 247 [2023-11-30 08:19:45,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 263 transitions, 1495 flow. Second operand has 4 states, 4 states have (on average 199.5) internal successors, (798), 4 states have internal predecessors, (798), 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) [2023-11-30 08:19:45,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:45,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 247 [2023-11-30 08:19:45,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:45,581 INFO L124 PetriNetUnfolderBase]: 366/1974 cut-off events. [2023-11-30 08:19:45,581 INFO L125 PetriNetUnfolderBase]: For 8124/9783 co-relation queries the response was YES. [2023-11-30 08:19:45,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5766 conditions, 1974 events. 366/1974 cut-off events. For 8124/9783 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 13754 event pairs, 85 based on Foata normal form. 0/1747 useless extension candidates. Maximal degree in co-relation 5697. Up to 384 conditions per place. [2023-11-30 08:19:45,595 INFO L140 encePairwiseOnDemand]: 241/247 looper letters, 77 selfloop transitions, 4 changer transitions 23/277 dead transitions. [2023-11-30 08:19:45,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 277 transitions, 1913 flow [2023-11-30 08:19:45,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:19:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:19:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 841 transitions. [2023-11-30 08:19:45,598 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8512145748987854 [2023-11-30 08:19:45,598 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 841 transitions. [2023-11-30 08:19:45,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 841 transitions. [2023-11-30 08:19:45,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:45,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 841 transitions. [2023-11-30 08:19:45,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 210.25) internal successors, (841), 4 states have internal predecessors, (841), 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) [2023-11-30 08:19:45,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 247.0) internal successors, (1235), 5 states have internal predecessors, (1235), 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) [2023-11-30 08:19:45,602 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 247.0) internal successors, (1235), 5 states have internal predecessors, (1235), 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) [2023-11-30 08:19:45,602 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 10 predicate places. [2023-11-30 08:19:45,603 INFO L500 AbstractCegarLoop]: Abstraction has has 244 places, 277 transitions, 1913 flow [2023-11-30 08:19:45,603 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.5) internal successors, (798), 4 states have internal predecessors, (798), 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) [2023-11-30 08:19:45,603 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:45,603 INFO L232 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] [2023-11-30 08:19:45,603 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 08:19:45,603 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:45,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:45,604 INFO L85 PathProgramCache]: Analyzing trace with hash 603992399, now seen corresponding path program 1 times [2023-11-30 08:19:45,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:45,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618806668] [2023-11-30 08:19:45,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:45,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:45,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:45,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618806668] [2023-11-30 08:19:45,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618806668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:45,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:45,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:19:45,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087031464] [2023-11-30 08:19:45,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:45,654 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:19:45,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:45,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:19:45,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:19:45,656 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 247 [2023-11-30 08:19:45,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 277 transitions, 1913 flow. Second operand has 4 states, 4 states have (on average 199.75) internal successors, (799), 4 states have internal predecessors, (799), 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) [2023-11-30 08:19:45,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:45,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 247 [2023-11-30 08:19:45,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:45,999 INFO L124 PetriNetUnfolderBase]: 354/2104 cut-off events. [2023-11-30 08:19:45,999 INFO L125 PetriNetUnfolderBase]: For 9578/10896 co-relation queries the response was YES. [2023-11-30 08:19:46,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6506 conditions, 2104 events. 354/2104 cut-off events. For 9578/10896 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 15039 event pairs, 77 based on Foata normal form. 2/1900 useless extension candidates. Maximal degree in co-relation 6435. Up to 362 conditions per place. [2023-11-30 08:19:46,014 INFO L140 encePairwiseOnDemand]: 241/247 looper letters, 75 selfloop transitions, 4 changer transitions 23/275 dead transitions. [2023-11-30 08:19:46,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 275 transitions, 2099 flow [2023-11-30 08:19:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:19:46,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:19:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 839 transitions. [2023-11-30 08:19:46,017 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8491902834008097 [2023-11-30 08:19:46,017 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 839 transitions. [2023-11-30 08:19:46,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 839 transitions. [2023-11-30 08:19:46,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:46,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 839 transitions. [2023-11-30 08:19:46,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 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) [2023-11-30 08:19:46,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 247.0) internal successors, (1235), 5 states have internal predecessors, (1235), 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) [2023-11-30 08:19:46,021 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 247.0) internal successors, (1235), 5 states have internal predecessors, (1235), 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) [2023-11-30 08:19:46,024 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 11 predicate places. [2023-11-30 08:19:46,024 INFO L500 AbstractCegarLoop]: Abstraction has has 245 places, 275 transitions, 2099 flow [2023-11-30 08:19:46,024 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.75) internal successors, (799), 4 states have internal predecessors, (799), 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) [2023-11-30 08:19:46,024 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:46,025 INFO L232 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] [2023-11-30 08:19:46,025 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 08:19:46,025 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:46,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:46,025 INFO L85 PathProgramCache]: Analyzing trace with hash -453410387, now seen corresponding path program 1 times [2023-11-30 08:19:46,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:46,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170457089] [2023-11-30 08:19:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:46,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:46,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170457089] [2023-11-30 08:19:46,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170457089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:46,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:46,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 08:19:46,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636418912] [2023-11-30 08:19:46,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:46,215 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 08:19:46,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:46,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 08:19:46,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-30 08:19:46,218 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 247 [2023-11-30 08:19:46,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 275 transitions, 2099 flow. Second operand has 8 states, 8 states have (on average 185.625) internal successors, (1485), 8 states have internal predecessors, (1485), 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) [2023-11-30 08:19:46,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:46,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 247 [2023-11-30 08:19:46,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:46,989 INFO L124 PetriNetUnfolderBase]: 834/3486 cut-off events. [2023-11-30 08:19:46,989 INFO L125 PetriNetUnfolderBase]: For 27638/30196 co-relation queries the response was YES. [2023-11-30 08:19:47,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14283 conditions, 3486 events. 834/3486 cut-off events. For 27638/30196 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 28903 event pairs, 98 based on Foata normal form. 17/3196 useless extension candidates. Maximal degree in co-relation 14209. Up to 739 conditions per place. [2023-11-30 08:19:47,028 INFO L140 encePairwiseOnDemand]: 234/247 looper letters, 200 selfloop transitions, 22 changer transitions 60/442 dead transitions. [2023-11-30 08:19:47,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 442 transitions, 4593 flow [2023-11-30 08:19:47,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-30 08:19:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-30 08:19:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2559 transitions. [2023-11-30 08:19:47,033 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7969479912799751 [2023-11-30 08:19:47,033 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2559 transitions. [2023-11-30 08:19:47,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2559 transitions. [2023-11-30 08:19:47,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:47,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2559 transitions. [2023-11-30 08:19:47,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 196.84615384615384) internal successors, (2559), 13 states have internal predecessors, (2559), 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) [2023-11-30 08:19:47,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 247.0) internal successors, (3458), 14 states have internal predecessors, (3458), 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) [2023-11-30 08:19:47,045 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 247.0) internal successors, (3458), 14 states have internal predecessors, (3458), 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) [2023-11-30 08:19:47,045 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 23 predicate places. [2023-11-30 08:19:47,045 INFO L500 AbstractCegarLoop]: Abstraction has has 257 places, 442 transitions, 4593 flow [2023-11-30 08:19:47,046 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 185.625) internal successors, (1485), 8 states have internal predecessors, (1485), 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) [2023-11-30 08:19:47,046 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:47,046 INFO L232 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] [2023-11-30 08:19:47,046 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 08:19:47,047 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:47,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:47,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1170819363, now seen corresponding path program 1 times [2023-11-30 08:19:47,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:47,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671343282] [2023-11-30 08:19:47,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:47,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:47,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:47,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671343282] [2023-11-30 08:19:47,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671343282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:47,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:47,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 08:19:47,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427124423] [2023-11-30 08:19:47,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:47,119 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 08:19:47,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:47,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 08:19:47,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 08:19:47,121 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2023-11-30 08:19:47,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 442 transitions, 4593 flow. Second operand has 5 states, 5 states have (on average 196.0) internal successors, (980), 5 states have internal predecessors, (980), 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) [2023-11-30 08:19:47,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:47,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2023-11-30 08:19:47,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:47,716 INFO L124 PetriNetUnfolderBase]: 829/3361 cut-off events. [2023-11-30 08:19:47,716 INFO L125 PetriNetUnfolderBase]: For 32955/36140 co-relation queries the response was YES. [2023-11-30 08:19:47,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15766 conditions, 3361 events. 829/3361 cut-off events. For 32955/36140 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 27308 event pairs, 68 based on Foata normal form. 34/3146 useless extension candidates. Maximal degree in co-relation 15690. Up to 777 conditions per place. [2023-11-30 08:19:47,746 INFO L140 encePairwiseOnDemand]: 240/247 looper letters, 186 selfloop transitions, 16 changer transitions 54/451 dead transitions. [2023-11-30 08:19:47,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 451 transitions, 5431 flow [2023-11-30 08:19:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 08:19:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 08:19:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1026 transitions. [2023-11-30 08:19:47,749 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8307692307692308 [2023-11-30 08:19:47,749 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1026 transitions. [2023-11-30 08:19:47,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1026 transitions. [2023-11-30 08:19:47,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:47,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1026 transitions. [2023-11-30 08:19:47,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 205.2) internal successors, (1026), 5 states have internal predecessors, (1026), 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) [2023-11-30 08:19:47,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 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) [2023-11-30 08:19:47,754 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 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) [2023-11-30 08:19:47,754 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 27 predicate places. [2023-11-30 08:19:47,755 INFO L500 AbstractCegarLoop]: Abstraction has has 261 places, 451 transitions, 5431 flow [2023-11-30 08:19:47,755 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.0) internal successors, (980), 5 states have internal predecessors, (980), 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) [2023-11-30 08:19:47,755 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:47,755 INFO L232 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] [2023-11-30 08:19:47,755 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 08:19:47,756 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:47,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:47,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1196011113, now seen corresponding path program 1 times [2023-11-30 08:19:47,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:47,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863449120] [2023-11-30 08:19:47,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:47,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:47,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:47,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863449120] [2023-11-30 08:19:47,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863449120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:47,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:47,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 08:19:47,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218681201] [2023-11-30 08:19:47,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:47,911 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 08:19:47,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:47,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 08:19:47,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 08:19:47,912 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 247 [2023-11-30 08:19:47,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 451 transitions, 5431 flow. Second operand has 7 states, 7 states have (on average 190.14285714285714) internal successors, (1331), 7 states have internal predecessors, (1331), 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) [2023-11-30 08:19:47,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:47,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 247 [2023-11-30 08:19:47,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:48,767 INFO L124 PetriNetUnfolderBase]: 828/3480 cut-off events. [2023-11-30 08:19:48,767 INFO L125 PetriNetUnfolderBase]: For 40549/43864 co-relation queries the response was YES. [2023-11-30 08:19:48,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17366 conditions, 3480 events. 828/3480 cut-off events. For 40549/43864 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 28133 event pairs, 84 based on Foata normal form. 42/3274 useless extension candidates. Maximal degree in co-relation 17287. Up to 772 conditions per place. [2023-11-30 08:19:48,789 INFO L140 encePairwiseOnDemand]: 238/247 looper letters, 92 selfloop transitions, 2 changer transitions 193/450 dead transitions. [2023-11-30 08:19:48,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 450 transitions, 5961 flow [2023-11-30 08:19:48,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 08:19:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 08:19:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2192 transitions. [2023-11-30 08:19:48,794 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8067721751932279 [2023-11-30 08:19:48,794 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2192 transitions. [2023-11-30 08:19:48,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2192 transitions. [2023-11-30 08:19:48,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:48,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2192 transitions. [2023-11-30 08:19:48,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 199.27272727272728) internal successors, (2192), 11 states have internal predecessors, (2192), 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) [2023-11-30 08:19:48,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 247.0) internal successors, (2964), 12 states have internal predecessors, (2964), 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) [2023-11-30 08:19:48,804 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 247.0) internal successors, (2964), 12 states have internal predecessors, (2964), 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) [2023-11-30 08:19:48,804 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 37 predicate places. [2023-11-30 08:19:48,804 INFO L500 AbstractCegarLoop]: Abstraction has has 271 places, 450 transitions, 5961 flow [2023-11-30 08:19:48,805 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 190.14285714285714) internal successors, (1331), 7 states have internal predecessors, (1331), 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) [2023-11-30 08:19:48,805 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:48,805 INFO L232 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] [2023-11-30 08:19:48,805 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 08:19:48,805 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:48,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:48,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1823035716, now seen corresponding path program 1 times [2023-11-30 08:19:48,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:48,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142332594] [2023-11-30 08:19:48,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:48,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:48,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:48,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:48,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142332594] [2023-11-30 08:19:48,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142332594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:48,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:48,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-30 08:19:48,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985568106] [2023-11-30 08:19:48,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:48,975 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-30 08:19:48,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:48,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-30 08:19:48,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-30 08:19:48,977 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 247 [2023-11-30 08:19:48,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 450 transitions, 5961 flow. Second operand has 9 states, 9 states have (on average 179.33333333333334) internal successors, (1614), 9 states have internal predecessors, (1614), 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) [2023-11-30 08:19:48,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:48,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 247 [2023-11-30 08:19:48,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:49,891 INFO L124 PetriNetUnfolderBase]: 981/4014 cut-off events. [2023-11-30 08:19:49,891 INFO L125 PetriNetUnfolderBase]: For 44278/48601 co-relation queries the response was YES. [2023-11-30 08:19:49,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20759 conditions, 4014 events. 981/4014 cut-off events. For 44278/48601 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 33334 event pairs, 37 based on Foata normal form. 42/3798 useless extension candidates. Maximal degree in co-relation 20674. Up to 862 conditions per place. [2023-11-30 08:19:49,923 INFO L140 encePairwiseOnDemand]: 235/247 looper letters, 143 selfloop transitions, 20 changer transitions 253/570 dead transitions. [2023-11-30 08:19:49,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 570 transitions, 8635 flow [2023-11-30 08:19:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-30 08:19:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-30 08:19:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2611 transitions. [2023-11-30 08:19:49,929 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7550607287449392 [2023-11-30 08:19:49,929 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2611 transitions. [2023-11-30 08:19:49,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2611 transitions. [2023-11-30 08:19:49,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:49,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2611 transitions. [2023-11-30 08:19:49,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 186.5) internal successors, (2611), 14 states have internal predecessors, (2611), 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) [2023-11-30 08:19:49,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 247.0) internal successors, (3705), 15 states have internal predecessors, (3705), 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) [2023-11-30 08:19:49,940 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 247.0) internal successors, (3705), 15 states have internal predecessors, (3705), 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) [2023-11-30 08:19:49,941 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 49 predicate places. [2023-11-30 08:19:49,941 INFO L500 AbstractCegarLoop]: Abstraction has has 283 places, 570 transitions, 8635 flow [2023-11-30 08:19:49,941 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 179.33333333333334) internal successors, (1614), 9 states have internal predecessors, (1614), 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) [2023-11-30 08:19:49,942 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:49,942 INFO L232 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] [2023-11-30 08:19:49,942 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 08:19:49,942 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:49,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:49,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1799899814, now seen corresponding path program 1 times [2023-11-30 08:19:49,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:49,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912810772] [2023-11-30 08:19:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:49,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:50,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:50,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912810772] [2023-11-30 08:19:50,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912810772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:50,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:50,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 08:19:50,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023411507] [2023-11-30 08:19:50,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:50,176 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 08:19:50,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:50,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 08:19:50,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-30 08:19:50,178 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 247 [2023-11-30 08:19:50,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 570 transitions, 8635 flow. Second operand has 6 states, 6 states have (on average 210.16666666666666) internal successors, (1261), 6 states have internal predecessors, (1261), 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) [2023-11-30 08:19:50,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:50,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 247 [2023-11-30 08:19:50,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:50,695 INFO L124 PetriNetUnfolderBase]: 757/2883 cut-off events. [2023-11-30 08:19:50,695 INFO L125 PetriNetUnfolderBase]: For 38268/40519 co-relation queries the response was YES. [2023-11-30 08:19:50,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16051 conditions, 2883 events. 757/2883 cut-off events. For 38268/40519 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 20997 event pairs, 22 based on Foata normal form. 35/2746 useless extension candidates. Maximal degree in co-relation 15952. Up to 679 conditions per place. [2023-11-30 08:19:50,713 INFO L140 encePairwiseOnDemand]: 237/247 looper letters, 58 selfloop transitions, 26 changer transitions 260/537 dead transitions. [2023-11-30 08:19:50,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 537 transitions, 8289 flow [2023-11-30 08:19:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 08:19:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 08:19:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1076 transitions. [2023-11-30 08:19:50,716 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8712550607287449 [2023-11-30 08:19:50,716 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1076 transitions. [2023-11-30 08:19:50,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1076 transitions. [2023-11-30 08:19:50,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:50,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1076 transitions. [2023-11-30 08:19:50,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 215.2) internal successors, (1076), 5 states have internal predecessors, (1076), 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) [2023-11-30 08:19:50,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 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) [2023-11-30 08:19:50,721 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 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) [2023-11-30 08:19:50,722 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 53 predicate places. [2023-11-30 08:19:50,722 INFO L500 AbstractCegarLoop]: Abstraction has has 287 places, 537 transitions, 8289 flow [2023-11-30 08:19:50,722 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 210.16666666666666) internal successors, (1261), 6 states have internal predecessors, (1261), 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) [2023-11-30 08:19:50,723 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:50,723 INFO L232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:19:50,723 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 08:19:50,723 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:50,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:50,723 INFO L85 PathProgramCache]: Analyzing trace with hash 297389970, now seen corresponding path program 1 times [2023-11-30 08:19:50,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:50,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371357901] [2023-11-30 08:19:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:50,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:51,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:51,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371357901] [2023-11-30 08:19:51,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371357901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:51,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:51,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-30 08:19:51,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068484332] [2023-11-30 08:19:51,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:51,030 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 08:19:51,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:51,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 08:19:51,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-30 08:19:51,031 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 247 [2023-11-30 08:19:51,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 537 transitions, 8289 flow. Second operand has 8 states, 8 states have (on average 204.25) internal successors, (1634), 8 states have internal predecessors, (1634), 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) [2023-11-30 08:19:51,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:51,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 247 [2023-11-30 08:19:51,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:51,546 INFO L124 PetriNetUnfolderBase]: 637/2508 cut-off events. [2023-11-30 08:19:51,547 INFO L125 PetriNetUnfolderBase]: For 39640/41874 co-relation queries the response was YES. [2023-11-30 08:19:51,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14300 conditions, 2508 events. 637/2508 cut-off events. For 39640/41874 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 17753 event pairs, 14 based on Foata normal form. 6/2367 useless extension candidates. Maximal degree in co-relation 14181. Up to 546 conditions per place. [2023-11-30 08:19:51,560 INFO L140 encePairwiseOnDemand]: 240/247 looper letters, 61 selfloop transitions, 15 changer transitions 270/528 dead transitions. [2023-11-30 08:19:51,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 528 transitions, 8471 flow [2023-11-30 08:19:51,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 08:19:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 08:19:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1247 transitions. [2023-11-30 08:19:51,563 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8414304993252362 [2023-11-30 08:19:51,563 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1247 transitions. [2023-11-30 08:19:51,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1247 transitions. [2023-11-30 08:19:51,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:51,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1247 transitions. [2023-11-30 08:19:51,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.83333333333334) internal successors, (1247), 6 states have internal predecessors, (1247), 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) [2023-11-30 08:19:51,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 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) [2023-11-30 08:19:51,569 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 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) [2023-11-30 08:19:51,570 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 58 predicate places. [2023-11-30 08:19:51,570 INFO L500 AbstractCegarLoop]: Abstraction has has 292 places, 528 transitions, 8471 flow [2023-11-30 08:19:51,570 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 204.25) internal successors, (1634), 8 states have internal predecessors, (1634), 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) [2023-11-30 08:19:51,570 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:19:51,570 INFO L232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:19:51,571 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 08:19:51,571 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 08:19:51,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:19:51,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1287763874, now seen corresponding path program 1 times [2023-11-30 08:19:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:19:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787029312] [2023-11-30 08:19:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:19:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:19:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:19:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:19:51,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:19:51,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787029312] [2023-11-30 08:19:51,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787029312] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:19:51,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:19:51,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 08:19:51,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665106659] [2023-11-30 08:19:51,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:19:51,747 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 08:19:51,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:19:51,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 08:19:51,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-30 08:19:51,750 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 247 [2023-11-30 08:19:51,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 528 transitions, 8471 flow. Second operand has 6 states, 6 states have (on average 186.83333333333334) internal successors, (1121), 6 states have internal predecessors, (1121), 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) [2023-11-30 08:19:51,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:19:51,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 247 [2023-11-30 08:19:51,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:19:52,426 INFO L124 PetriNetUnfolderBase]: 809/2670 cut-off events. [2023-11-30 08:19:52,427 INFO L125 PetriNetUnfolderBase]: For 59107/66154 co-relation queries the response was YES. [2023-11-30 08:19:52,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18124 conditions, 2670 events. 809/2670 cut-off events. For 59107/66154 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 18967 event pairs, 23 based on Foata normal form. 56/2572 useless extension candidates. Maximal degree in co-relation 18003. Up to 852 conditions per place. [2023-11-30 08:19:52,443 INFO L140 encePairwiseOnDemand]: 240/247 looper letters, 0 selfloop transitions, 0 changer transitions 574/574 dead transitions. [2023-11-30 08:19:52,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 574 transitions, 10591 flow [2023-11-30 08:19:52,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 08:19:52,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 08:19:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1354 transitions. [2023-11-30 08:19:52,448 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7831116252168884 [2023-11-30 08:19:52,448 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1354 transitions. [2023-11-30 08:19:52,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1354 transitions. [2023-11-30 08:19:52,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:19:52,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1354 transitions. [2023-11-30 08:19:52,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 193.42857142857142) internal successors, (1354), 7 states have internal predecessors, (1354), 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) [2023-11-30 08:19:52,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 247.0) internal successors, (1976), 8 states have internal predecessors, (1976), 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) [2023-11-30 08:19:52,455 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 247.0) internal successors, (1976), 8 states have internal predecessors, (1976), 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) [2023-11-30 08:19:52,456 INFO L307 CegarLoopForPetriNet]: 234 programPoint places, 63 predicate places. [2023-11-30 08:19:52,456 INFO L500 AbstractCegarLoop]: Abstraction has has 297 places, 574 transitions, 10591 flow [2023-11-30 08:19:52,457 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.83333333333334) internal successors, (1121), 6 states have internal predecessors, (1121), 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) [2023-11-30 08:19:52,464 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i_BEv2_AllErrorsAtOnce [2023-11-30 08:19:52,556 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 19 remaining) [2023-11-30 08:19:52,557 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2023-11-30 08:19:52,558 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2023-11-30 08:19:52,558 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2023-11-30 08:19:52,558 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2023-11-30 08:19:52,558 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2023-11-30 08:19:52,558 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 19 remaining) [2023-11-30 08:19:52,558 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2023-11-30 08:19:52,558 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2023-11-30 08:19:52,558 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2023-11-30 08:19:52,559 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2023-11-30 08:19:52,559 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2023-11-30 08:19:52,559 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2023-11-30 08:19:52,559 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2023-11-30 08:19:52,559 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2023-11-30 08:19:52,559 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2023-11-30 08:19:52,559 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2023-11-30 08:19:52,559 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2023-11-30 08:19:52,560 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2023-11-30 08:19:52,560 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 08:19:52,560 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:19:52,566 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 08:19:52,566 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 08:19:52,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 08:19:52 BasicIcfg [2023-11-30 08:19:52,576 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 08:19:52,576 INFO L158 Benchmark]: Toolchain (without parser) took 11613.18ms. Allocated memory was 524.3MB in the beginning and 1.2GB in the end (delta: 677.4MB). Free memory was 472.6MB in the beginning and 774.2MB in the end (delta: -301.6MB). Peak memory consumption was 373.7MB. Max. memory is 16.0GB. [2023-11-30 08:19:52,577 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory is still 297.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:19:52,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.49ms. Allocated memory is still 524.3MB. Free memory was 472.3MB in the beginning and 451.8MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 08:19:52,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.88ms. Allocated memory is still 524.3MB. Free memory was 451.8MB in the beginning and 449.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 08:19:52,578 INFO L158 Benchmark]: Boogie Preprocessor took 25.70ms. Allocated memory is still 524.3MB. Free memory was 449.2MB in the beginning and 447.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:19:52,578 INFO L158 Benchmark]: RCFGBuilder took 599.45ms. Allocated memory is still 524.3MB. Free memory was 447.4MB in the beginning and 475.1MB in the end (delta: -27.6MB). Peak memory consumption was 18.5MB. Max. memory is 16.0GB. [2023-11-30 08:19:52,578 INFO L158 Benchmark]: TraceAbstraction took 10533.62ms. Allocated memory was 524.3MB in the beginning and 1.2GB in the end (delta: 677.4MB). Free memory was 474.0MB in the beginning and 774.2MB in the end (delta: -300.1MB). Peak memory consumption was 372.0MB. Max. memory is 16.0GB. [2023-11-30 08:19:52,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory is still 297.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 383.49ms. Allocated memory is still 524.3MB. Free memory was 472.3MB in the beginning and 451.8MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 65.88ms. Allocated memory is still 524.3MB. Free memory was 451.8MB in the beginning and 449.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.70ms. Allocated memory is still 524.3MB. Free memory was 449.2MB in the beginning and 447.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 599.45ms. Allocated memory is still 524.3MB. Free memory was 447.4MB in the beginning and 475.1MB in the end (delta: -27.6MB). Peak memory consumption was 18.5MB. Max. memory is 16.0GB. * TraceAbstraction took 10533.62ms. Allocated memory was 524.3MB in the beginning and 1.2GB in the end (delta: 677.4MB). Free memory was 474.0MB in the beginning and 774.2MB in the end (delta: -300.1MB). Peak memory consumption was 372.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: 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, 347 locations, 19 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: 10.4s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1376 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1376 mSDsluCounter, 470 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 334 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2322 IncrementalHoareTripleChecker+Invalid, 2369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 136 mSDtfsCounter, 2322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10591occurred in iteration=15, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1429 NumberOfCodeBlocks, 1429 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1414 ConstructedInterpolants, 0 QuantifiedInterpolants, 3906 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 08:19:52,595 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...