/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 17:06:35,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 17:06:35,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 17:06:35,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 17:06:35,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 17:06:35,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 17:06:35,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 17:06:35,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 17:06:35,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 17:06:35,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 17:06:35,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 17:06:35,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 17:06:35,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 17:06:35,969 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 17:06:35,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 17:06:35,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 17:06:35,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 17:06:35,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 17:06:35,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 17:06:35,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 17:06:35,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 17:06:35,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 17:06:35,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 17:06:35,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 17:06:35,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 17:06:35,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 17:06:35,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 17:06:35,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 17:06:35,971 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 17:06:35,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 17:06:35,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:06:35,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 17:06:35,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 17:06:35,973 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 17:06:35,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 17:06:35,973 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 17:06:35,973 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 17:06:35,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 17:06:35,973 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 17:06:35,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 17:06:35,974 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 17:06:35,974 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 17:06:36,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 17:06:36,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 17:06:36,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 17:06:36,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 17:06:36,189 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 17:06:36,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c [2024-05-30 17:06:37,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 17:06:37,620 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 17:06:37,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c [2024-05-30 17:06:37,630 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/700cee4ab/02a49b52caa94d518895e9782249c42b/FLAG81fb703c4 [2024-05-30 17:06:37,645 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/700cee4ab/02a49b52caa94d518895e9782249c42b [2024-05-30 17:06:37,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 17:06:37,650 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 17:06:37,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 17:06:37,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 17:06:37,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 17:06:37,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae6e408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37, skipping insertion in model container [2024-05-30 17:06:37,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 17:06:37,811 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c[2428,2441] [2024-05-30 17:06:37,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:06:37,825 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 17:06:37,838 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c[2428,2441] [2024-05-30 17:06:37,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:06:37,852 INFO L206 MainTranslator]: Completed translation [2024-05-30 17:06:37,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37 WrapperNode [2024-05-30 17:06:37,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 17:06:37,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 17:06:37,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 17:06:37,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 17:06:37,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,881 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 137 [2024-05-30 17:06:37,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 17:06:37,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 17:06:37,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 17:06:37,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 17:06:37,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 17:06:37,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 17:06:37,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 17:06:37,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 17:06:37,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (1/1) ... [2024-05-30 17:06:37,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:06:37,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:06:37,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 17:06:37,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 17:06:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 17:06:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 17:06:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 17:06:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 17:06:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 17:06:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 17:06:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 17:06:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 17:06:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 17:06:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 17:06:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 17:06:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 17:06:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 17:06:37,998 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 17:06:38,091 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 17:06:38,093 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 17:06:38,322 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 17:06:38,331 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 17:06:38,331 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-30 17:06:38,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:06:38 BoogieIcfgContainer [2024-05-30 17:06:38,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 17:06:38,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 17:06:38,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 17:06:38,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 17:06:38,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 05:06:37" (1/3) ... [2024-05-30 17:06:38,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2145f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:06:38, skipping insertion in model container [2024-05-30 17:06:38,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:06:37" (2/3) ... [2024-05-30 17:06:38,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2145f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:06:38, skipping insertion in model container [2024-05-30 17:06:38,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:06:38" (3/3) ... [2024-05-30 17:06:38,338 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2024-05-30 17:06:38,347 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 17:06:38,355 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 17:06:38,357 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 17:06:38,357 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 17:06:38,414 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 17:06:38,455 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:06:38,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:06:38,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:06:38,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:06:38,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 17:06:38,519 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:06:38,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:06:38,534 INFO L357 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@38ec406e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:06:38,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:06:38,542 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:06:38,682 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:38,682 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:38,682 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:38,741 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:38,742 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:38,742 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:38,786 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:38,786 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:38,786 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:38,822 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:38,823 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:38,823 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:38,870 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:38,870 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:38,870 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:38,913 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:38,913 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:38,913 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:38,953 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:38,953 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:38,953 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:38,982 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:38,982 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:38,982 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,008 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,008 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,008 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,034 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,034 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,034 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,059 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,059 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,059 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,087 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,087 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,087 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,197 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,198 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,198 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,213 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 555 states. [2024-05-30 17:06:39,214 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:06:39,217 INFO L78 Accepts]: Start accepts. Automaton has currently 585 states, but on-demand construction may add more states Word has length 100 [2024-05-30 17:06:39,219 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:06:39,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:06:39,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:06:39,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1679240024, now seen corresponding path program 1 times [2024-05-30 17:06:39,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:06:39,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716555407] [2024-05-30 17:06:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:39,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:06:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:06:39,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:06:39,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716555407] [2024-05-30 17:06:39,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716555407] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:06:39,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:06:39,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 17:06:39,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121264037] [2024-05-30 17:06:39,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:06:39,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 17:06:39,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:06:39,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 17:06:39,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 17:06:39,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:39,531 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:06:39,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 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) [2024-05-30 17:06:39,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:39,533 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:06:39,579 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,579 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,579 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,599 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,599 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,600 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,614 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,615 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,615 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,626 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,626 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,626 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,633 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,634 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,634 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,646 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,646 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,646 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,658 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,658 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,658 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,666 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,666 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,666 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,674 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,674 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,674 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,687 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,688 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,688 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,697 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,697 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,697 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,704 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,704 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,704 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,744 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:39,745 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:39,745 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:39,751 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 605 states. [2024-05-30 17:06:39,751 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:06:39,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:39,752 INFO L78 Accepts]: Start accepts. Automaton has currently 662 states, but on-demand construction may add more states Word has length 95 [2024-05-30 17:06:39,753 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:06:39,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 17:06:39,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:06:39,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:06:39,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1289281041, now seen corresponding path program 1 times [2024-05-30 17:06:39,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:06:39,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862836938] [2024-05-30 17:06:39,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:39,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:06:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:06:40,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:06:40,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862836938] [2024-05-30 17:06:40,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862836938] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:06:40,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:06:40,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 17:06:40,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939168556] [2024-05-30 17:06:40,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:06:40,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 17:06:40,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:06:40,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 17:06:40,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-30 17:06:40,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:40,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:06:40,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2024-05-30 17:06:40,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:40,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:40,125 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:06:40,237 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,238 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,238 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,247 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,247 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,247 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,258 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,258 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,258 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,267 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,267 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,268 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,275 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,278 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,278 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,286 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,287 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,287 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,297 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,297 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,297 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,304 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,304 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,304 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,335 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,335 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,335 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,347 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,347 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,347 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,355 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,356 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,356 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,362 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,362 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,363 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,396 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,396 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,396 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,404 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 613 states. [2024-05-30 17:06:40,404 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:06:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:40,404 INFO L78 Accepts]: Start accepts. Automaton has currently 670 states, but on-demand construction may add more states Word has length 103 [2024-05-30 17:06:40,407 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:06:40,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 17:06:40,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:06:40,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:06:40,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1422149384, now seen corresponding path program 1 times [2024-05-30 17:06:40,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:06:40,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632569925] [2024-05-30 17:06:40,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:40,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:06:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 17:06:40,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:06:40,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632569925] [2024-05-30 17:06:40,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632569925] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:06:40,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:06:40,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 17:06:40,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89575892] [2024-05-30 17:06:40,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:06:40,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 17:06:40,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:06:40,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 17:06:40,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 17:06:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:40,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:06:40,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 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) [2024-05-30 17:06:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:40,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:40,629 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:06:40,697 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,697 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,697 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,710 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,710 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,710 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,721 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,721 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,722 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,732 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,732 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,732 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,739 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,740 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,740 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,747 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,747 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,747 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,760 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,760 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,760 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,770 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,770 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,770 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,777 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,777 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,778 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,821 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:40,821 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:40,821 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:40,840 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 548 states. [2024-05-30 17:06:40,840 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:06:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:40,840 INFO L78 Accepts]: Start accepts. Automaton has currently 605 states, but on-demand construction may add more states Word has length 116 [2024-05-30 17:06:40,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:06:40,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 17:06:40,842 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:06:40,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:06:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash 223079133, now seen corresponding path program 1 times [2024-05-30 17:06:40,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:06:40,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398655691] [2024-05-30 17:06:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:40,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:06:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 17:06:41,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:06:41,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398655691] [2024-05-30 17:06:41,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398655691] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:06:41,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547413592] [2024-05-30 17:06:41,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:41,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:06:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:06:41,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:06:41,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 17:06:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:41,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-30 17:06:41,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:06:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 17:06:41,310 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:06:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 17:06:41,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547413592] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-30 17:06:41,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-30 17:06:41,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2024-05-30 17:06:41,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780050070] [2024-05-30 17:06:41,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:06:41,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-30 17:06:41,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:06:41,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-30 17:06:41,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-05-30 17:06:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:41,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:06:41,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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) [2024-05-30 17:06:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:41,376 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:06:41,405 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,405 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:41,405 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:06:41,417 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,417 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:41,417 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,427 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,429 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,429 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,440 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,440 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:41,441 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,450 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,451 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,451 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,462 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,463 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,463 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,471 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,471 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,471 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,479 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,479 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,479 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,494 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,494 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,494 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,505 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,505 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,505 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,512 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,513 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,513 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,559 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:41,560 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,560 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:41,565 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 624 states. [2024-05-30 17:06:41,565 INFO L212 cStratifiedReduction]: Copied states 58 times. [2024-05-30 17:06:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:41,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:06:41,566 INFO L78 Accepts]: Start accepts. Automaton has currently 624 states, but on-demand construction may add more states Word has length 141 [2024-05-30 17:06:41,566 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:06:41,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 17:06:41,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:06:41,772 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:06:41,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:06:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash 402889139, now seen corresponding path program 1 times [2024-05-30 17:06:41,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:06:41,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270454215] [2024-05-30 17:06:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:41,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:06:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 17:06:42,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:06:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270454215] [2024-05-30 17:06:42,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270454215] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:06:42,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210132955] [2024-05-30 17:06:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:42,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:06:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:06:42,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:06:42,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 17:06:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:42,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-30 17:06:42,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:06:42,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-30 17:06:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:06:42,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:06:43,043 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-30 17:06:43,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-05-30 17:06:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:06:43,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210132955] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:06:43,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:06:43,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 33 [2024-05-30 17:06:43,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950155421] [2024-05-30 17:06:43,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:06:43,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-30 17:06:43,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:06:43,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-30 17:06:43,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=951, Unknown=0, NotChecked=0, Total=1056 [2024-05-30 17:06:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:43,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:06:43,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 11.151515151515152) internal successors, (368), 33 states have internal predecessors, (368), 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) [2024-05-30 17:06:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:06:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:43,715 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:06:44,463 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,463 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:44,464 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,470 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,470 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,470 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,580 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,581 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:44,581 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,586 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,586 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,586 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,606 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,606 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:44,606 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,611 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,612 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,612 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,625 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,625 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:44,625 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,634 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,635 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,635 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,646 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,646 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,646 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,655 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,655 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,655 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,670 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,670 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,670 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,696 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,696 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,696 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,703 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,704 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,704 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,710 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,710 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,710 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,721 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,722 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,722 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,731 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,731 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,731 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,737 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,738 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,738 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,775 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:44,775 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,775 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:44,808 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 859 states. [2024-05-30 17:06:44,808 INFO L212 cStratifiedReduction]: Copied states 116 times. [2024-05-30 17:06:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:06:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:06:44,809 INFO L78 Accepts]: Start accepts. Automaton has currently 803 states, but on-demand construction may add more states Word has length 162 [2024-05-30 17:06:44,810 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:06:44,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 17:06:45,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:06:45,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:06:45,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:06:45,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1341946255, now seen corresponding path program 2 times [2024-05-30 17:06:45,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:06:45,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447600839] [2024-05-30 17:06:45,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:45,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:06:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:06:46,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:06:46,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447600839] [2024-05-30 17:06:46,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447600839] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:06:46,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126401911] [2024-05-30 17:06:46,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:06:46,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:06:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:06:46,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:06:46,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 17:06:47,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:06:47,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:06:47,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 64 conjunts are in the unsatisfiable core [2024-05-30 17:06:47,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:06:47,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-30 17:06:48,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 17:06:48,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 17:06:48,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 17:06:48,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 26 [2024-05-30 17:06:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:06:48,989 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:06:50,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 17:06:50,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 168 treesize of output 108 [2024-05-30 17:06:50,463 INFO L349 Elim1Store]: treesize reduction 5, result has 92.3 percent of original size [2024-05-30 17:06:50,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 608 treesize of output 587 [2024-05-30 17:06:50,547 INFO L349 Elim1Store]: treesize reduction 8, result has 87.7 percent of original size [2024-05-30 17:06:50,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 140 [2024-05-30 17:06:50,830 INFO L349 Elim1Store]: treesize reduction 8, result has 87.7 percent of original size [2024-05-30 17:06:50,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 137 treesize of output 137 [2024-05-30 17:06:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:06:51,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126401911] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:06:51,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:06:51,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 30] total 79 [2024-05-30 17:06:51,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049951420] [2024-05-30 17:06:51,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:06:51,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-05-30 17:06:51,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:06:51,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-05-30 17:06:51,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=817, Invalid=5308, Unknown=37, NotChecked=0, Total=6162 [2024-05-30 17:06:51,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:51,313 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:06:51,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.291139240506329) internal successors, (418), 79 states have internal predecessors, (418), 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) [2024-05-30 17:06:51,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:51,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:51,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:51,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:06:51,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:06:51,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:51,314 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:06:52,829 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:52,830 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:52,830 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:52,834 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:52,834 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:52,834 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,083 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,084 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:53,084 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,089 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,089 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,089 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,555 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,555 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:53,555 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,559 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,559 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,559 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,619 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,619 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:53,619 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,624 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,625 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,625 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,655 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,656 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,656 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,662 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,662 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,662 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,667 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,668 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,668 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,678 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,678 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,678 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,686 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,686 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,686 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,692 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,692 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,692 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,724 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:53,724 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,725 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:53,781 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 838 states. [2024-05-30 17:06:53,782 INFO L212 cStratifiedReduction]: Copied states 116 times. [2024-05-30 17:06:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:06:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:06:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:06:53,782 INFO L78 Accepts]: Start accepts. Automaton has currently 780 states, but on-demand construction may add more states Word has length 183 [2024-05-30 17:06:53,783 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:06:53,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-30 17:06:53,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:06:53,988 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:06:53,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:06:53,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1622191935, now seen corresponding path program 3 times [2024-05-30 17:06:53,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:06:53,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726903560] [2024-05-30 17:06:53,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:53,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:06:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:06:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-30 17:06:54,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:06:54,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726903560] [2024-05-30 17:06:54,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726903560] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:06:54,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797283803] [2024-05-30 17:06:54,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 17:06:54,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:06:54,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:06:54,334 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:06:54,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 17:06:54,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-30 17:06:54,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:06:54,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 17:06:54,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:06:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:06:54,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:06:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:06:55,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797283803] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:06:55,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:06:55,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 30 [2024-05-30 17:06:55,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065698301] [2024-05-30 17:06:55,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:06:55,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-30 17:06:55,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:06:55,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-30 17:06:55,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2024-05-30 17:06:55,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:55,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:06:55,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.433333333333334) internal successors, (283), 30 states have internal predecessors, (283), 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) [2024-05-30 17:06:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:06:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:06:55,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:06:55,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:55,173 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:06:55,334 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:55,334 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:55,334 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:55,338 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:55,338 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:55,338 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:55,516 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:55,516 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:55,516 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:55,520 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:55,520 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:55,520 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:55,800 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:55,800 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:55,800 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:55,804 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:55,804 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:55,804 INFO L395 cStratifiedReduction]: Actual level: [~n~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 17:06:56,179 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:56,180 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:56,180 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:56,184 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:56,184 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:56,184 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:56,764 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:56,764 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:56,765 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:56,768 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:56,768 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:56,769 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,618 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,618 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:06:57,618 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,624 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,624 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,624 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,672 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,672 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,672 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,685 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,685 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,686 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,698 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,699 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,699 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,715 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,716 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,716 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,725 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,725 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,725 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,735 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,735 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,735 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,753 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,753 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,753 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,767 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,767 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,767 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,777 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,777 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,777 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,821 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:06:57,821 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:57,822 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:06:58,176 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1659 states. [2024-05-30 17:06:58,177 INFO L212 cStratifiedReduction]: Copied states 174 times. [2024-05-30 17:06:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:06:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:06:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:06:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:06:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:06:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:06:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:06:58,177 INFO L78 Accepts]: Start accepts. Automaton has currently 1587 states, but on-demand construction may add more states Word has length 221 [2024-05-30 17:06:58,178 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:06:58,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 17:06:58,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-30 17:06:58,379 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:06:58,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:06:58,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1611179594, now seen corresponding path program 4 times [2024-05-30 17:06:58,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:06:58,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654615234] [2024-05-30 17:06:58,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:06:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:06:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:07:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:07:13,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:07:13,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654615234] [2024-05-30 17:07:13,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654615234] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:07:13,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943452560] [2024-05-30 17:07:13,948 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 17:07:13,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:07:13,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:07:13,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:07:13,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 17:07:14,077 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 17:07:14,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:07:14,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-30 17:07:14,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:07:17,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 17:07:17,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 88 [2024-05-30 17:07:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:07:17,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:07:19,997 INFO L349 Elim1Store]: treesize reduction 20, result has 92.7 percent of original size [2024-05-30 17:07:19,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 132 treesize of output 320 [2024-05-30 17:07:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:07:22,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943452560] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:07:22,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:07:22,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 38, 37] total 120 [2024-05-30 17:07:22,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910080214] [2024-05-30 17:07:22,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:07:22,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2024-05-30 17:07:22,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:07:22,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2024-05-30 17:07:22,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=709, Invalid=13571, Unknown=0, NotChecked=0, Total=14280 [2024-05-30 17:07:22,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:22,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:07:22,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 5.066666666666666) internal successors, (608), 120 states have internal predecessors, (608), 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) [2024-05-30 17:07:22,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:22,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:07:22,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:07:22,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:07:22,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:07:22,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:07:22,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:07:22,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:22,369 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:07:27,261 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:27,261 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:27,261 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:27,265 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:27,265 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:27,265 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:28,015 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:28,015 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:28,015 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:28,019 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:28,019 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:28,019 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:28,729 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:28,729 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:28,729 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:28,732 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:28,732 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:28,732 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:29,149 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:29,149 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:29,149 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:29,152 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:29,152 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:29,152 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,405 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,416 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:30,416 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,420 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,420 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,420 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,579 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,579 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:30,579 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,583 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,583 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,583 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,595 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,595 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,595 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,605 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,605 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,605 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,613 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,613 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,613 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,626 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,626 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,626 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,636 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,636 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,636 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,643 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,644 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,644 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,682 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:30,682 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,682 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:30,822 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1538 states. [2024-05-30 17:07:30,822 INFO L212 cStratifiedReduction]: Copied states 174 times. [2024-05-30 17:07:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:07:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:07:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:07:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:07:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:07:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:07:30,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-30 17:07:30,823 INFO L78 Accepts]: Start accepts. Automaton has currently 1521 states, but on-demand construction may add more states Word has length 242 [2024-05-30 17:07:30,824 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:07:30,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 17:07:31,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:07:31,025 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:07:31,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:07:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1996508584, now seen corresponding path program 5 times [2024-05-30 17:07:31,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:07:31,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730011377] [2024-05-30 17:07:31,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:07:31,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:07:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:07:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-05-30 17:07:31,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:07:31,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730011377] [2024-05-30 17:07:31,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730011377] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:07:31,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474749523] [2024-05-30 17:07:31,410 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 17:07:31,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:07:31,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:07:31,421 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:07:31,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 17:07:31,643 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-30 17:07:31,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:07:31,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-30 17:07:31,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:07:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:07:32,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:07:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:07:32,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474749523] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:07:32,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:07:32,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22, 21] total 47 [2024-05-30 17:07:32,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432079072] [2024-05-30 17:07:32,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:07:32,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-05-30 17:07:32,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:07:32,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-05-30 17:07:32,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1982, Unknown=0, NotChecked=0, Total=2162 [2024-05-30 17:07:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:32,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:07:32,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 8.404255319148936) internal successors, (395), 47 states have internal predecessors, (395), 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) [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-30 17:07:32,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:32,652 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:07:32,857 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:32,857 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:32,857 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:32,861 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:32,861 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:32,861 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:33,098 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:33,098 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:33,098 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:33,101 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:33,101 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:33,102 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:33,658 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:33,658 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:33,658 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:33,661 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:33,661 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:33,661 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:34,343 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:34,343 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:34,343 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:34,347 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:34,347 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:34,347 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:34,736 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:34,736 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:34,736 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:34,762 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:34,762 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:34,762 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:35,876 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:35,876 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:35,876 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:35,880 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:35,880 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:35,880 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:37,092 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:37,093 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:37,093 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:37,105 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:37,105 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:37,105 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:38,064 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1198 states. [2024-05-30 17:07:38,064 INFO L212 cStratifiedReduction]: Copied states 203 times. [2024-05-30 17:07:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:07:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:07:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:07:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:07:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:07:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:07:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-30 17:07:38,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-05-30 17:07:38,065 INFO L78 Accepts]: Start accepts. Automaton has currently 1026 states, but on-demand construction may add more states Word has length 293 [2024-05-30 17:07:38,066 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:07:38,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 17:07:38,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-05-30 17:07:38,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:07:38,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:07:38,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1636200568, now seen corresponding path program 6 times [2024-05-30 17:07:38,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:07:38,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510660515] [2024-05-30 17:07:38,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:07:38,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:07:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:07:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-05-30 17:07:38,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:07:38,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510660515] [2024-05-30 17:07:38,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510660515] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:07:38,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56405908] [2024-05-30 17:07:38,793 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 17:07:38,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:07:38,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:07:38,794 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:07:38,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 17:07:39,588 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-30 17:07:39,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:07:39,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-30 17:07:39,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:07:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:07:40,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:07:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:07:41,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56405908] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:07:41,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:07:41,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 30, 29] total 63 [2024-05-30 17:07:41,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568102776] [2024-05-30 17:07:41,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:07:41,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-05-30 17:07:41,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:07:41,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-05-30 17:07:41,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=3643, Unknown=0, NotChecked=0, Total=3906 [2024-05-30 17:07:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:41,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:07:41,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.888888888888889) internal successors, (497), 63 states have internal predecessors, (497), 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) [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-05-30 17:07:41,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:07:41,206 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:07:41,477 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:41,477 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:41,477 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:41,481 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:41,481 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:41,482 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:41,760 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:41,760 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:41,760 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:41,763 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:41,764 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:41,764 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:42,446 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:42,446 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:42,446 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:42,450 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:42,451 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:42,451 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:43,398 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:43,398 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:43,398 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:43,401 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:43,401 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:43,402 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:46,571 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:46,572 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:46,572 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:46,575 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:46,575 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:46,575 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:50,530 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:50,531 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:50,531 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:50,534 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:50,534 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:50,534 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:51,738 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:51,738 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:51,738 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:51,741 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:51,742 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:51,742 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:54,748 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:54,748 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:07:54,748 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:54,752 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:07:54,752 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:07:54,752 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:01,076 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:01,088 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:01,088 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:01,092 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:01,092 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:01,092 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:06,164 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:06,165 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:06,165 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:06,168 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:06,168 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:06,169 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:09,365 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:09,366 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:09,366 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:09,369 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:09,369 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:09,369 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:11,252 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1978 states. [2024-05-30 17:08:11,253 INFO L212 cStratifiedReduction]: Copied states 319 times. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-05-30 17:08:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2024-05-30 17:08:11,254 INFO L78 Accepts]: Start accepts. Automaton has currently 1690 states, but on-demand construction may add more states Word has length 370 [2024-05-30 17:08:11,255 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:11,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 17:08:11,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:11,462 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:11,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:11,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1227035464, now seen corresponding path program 7 times [2024-05-30 17:08:11,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:11,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014300342] [2024-05-30 17:08:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:11,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 877 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-30 17:08:12,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:12,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014300342] [2024-05-30 17:08:12,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014300342] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:08:12,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378028395] [2024-05-30 17:08:12,958 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 17:08:12,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:12,974 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:08:12,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 17:08:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:13,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-30 17:08:13,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:08:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 841 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-05-30 17:08:14,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:08:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 841 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-05-30 17:08:15,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378028395] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:08:15,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:08:15,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 37, 37] total 89 [2024-05-30 17:08:15,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583273947] [2024-05-30 17:08:15,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:08:15,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-05-30 17:08:15,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:08:15,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-05-30 17:08:15,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=7364, Unknown=0, NotChecked=0, Total=7832 [2024-05-30 17:08:15,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:15,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:08:15,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 7.224719101123595) internal successors, (643), 89 states have internal predecessors, (643), 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) [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2024-05-30 17:08:15,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:15,786 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:15,958 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:15,958 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:15,958 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:15,961 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:15,961 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:15,961 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,144 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,144 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:16,145 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,148 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,148 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,148 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,366 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,366 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:16,366 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,369 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,369 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,369 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,568 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,568 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:16,568 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,572 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,572 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,572 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,755 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,755 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:16,755 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,758 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,759 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,759 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,936 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,936 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:16,936 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,940 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:16,940 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:16,940 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:17,128 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:17,128 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:17,128 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:17,133 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:17,134 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:17,134 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:17,318 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:17,318 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:17,318 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:17,322 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:17,322 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:17,322 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:18,757 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:18,757 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:18,757 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:18,760 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:18,760 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:18,760 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:20,136 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:20,137 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:20,137 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:20,140 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:20,140 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:20,140 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:59,422 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:59,422 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:59,422 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:59,426 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:59,426 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:59,426 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:42,074 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:42,074 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:42,074 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:42,077 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:42,078 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:42,078 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:12,256 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:12,256 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:12,256 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:12,259 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:12,260 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:12,260 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:32,511 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:32,512 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:32,512 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:32,515 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:32,516 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:32,516 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:45,699 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:45,699 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:45,699 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:45,703 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:45,703 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:45,703 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:53,249 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:53,249 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:53,249 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:53,253 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:53,253 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:53,253 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:10:57,039 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3142 states. [2024-05-30 17:10:57,039 INFO L212 cStratifiedReduction]: Copied states 464 times. [2024-05-30 17:10:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:10:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:10:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:10:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:10:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:10:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:10:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-30 17:10:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-05-30 17:10:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2024-05-30 17:10:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2024-05-30 17:10:57,040 INFO L78 Accepts]: Start accepts. Automaton has currently 2709 states, but on-demand construction may add more states Word has length 460 [2024-05-30 17:10:57,042 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:10:57,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 17:10:57,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:10:57,250 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:10:57,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:10:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash -650969565, now seen corresponding path program 8 times [2024-05-30 17:10:57,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:10:57,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610189096] [2024-05-30 17:10:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:10:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:10:59,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1883 backedges. 0 proven. 1831 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:10:59,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:10:59,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610189096] [2024-05-30 17:10:59,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610189096] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:10:59,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762022035] [2024-05-30 17:10:59,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:10:59,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:10:59,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:10:59,835 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:10:59,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 17:11:00,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:11:00,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:11:00,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-30 17:11:00,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:11:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1883 backedges. 0 proven. 1636 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-05-30 17:11:01,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:11:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1883 backedges. 0 proven. 1636 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-05-30 17:11:04,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762022035] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:11:04,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:11:04,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 45, 45] total 120 [2024-05-30 17:11:04,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026965625] [2024-05-30 17:11:04,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:11:04,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2024-05-30 17:11:04,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:11:04,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2024-05-30 17:11:04,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=13488, Unknown=0, NotChecked=0, Total=14280 [2024-05-30 17:11:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:04,422 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:11:04,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 7.016666666666667) internal successors, (842), 120 states have internal predecessors, (842), 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) [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2024-05-30 17:11:04,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:04,424 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:11:04,642 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:04,642 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:04,642 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:04,645 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:04,645 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:04,645 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:04,863 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:04,863 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:04,863 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:04,866 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:04,866 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:04,866 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,094 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:05,094 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:05,094 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,097 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:05,097 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,097 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,316 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:05,317 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:05,317 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,320 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:05,320 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,320 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,543 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:05,543 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:05,543 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,547 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:05,547 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,547 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,794 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:05,794 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:05,794 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,800 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:05,800 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:05,800 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,042 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:06,042 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:06,042 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,045 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:06,045 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,045 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,269 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:06,270 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:06,270 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,273 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:06,273 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,273 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,540 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:06,540 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:06,540 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,545 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:06,545 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,545 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,786 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:06,787 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:06,787 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,792 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:06,792 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:06,792 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:08,563 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:08,564 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:08,564 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:08,567 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:08,567 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:08,567 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:10,079 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:10,079 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:10,079 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:10,083 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:10,084 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:10,084 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:11,644 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:11,644 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:11,644 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:11,648 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:11,648 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:11,648 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:13,363 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:13,363 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:13,364 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:13,367 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:13,367 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:13,367 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:18,107 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:18,107 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:18,107 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:18,111 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:18,111 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:18,111 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:31,178 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:31,178 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:31,178 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:31,182 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:31,182 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:31,182 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:15:27,711 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:15:27,712 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:15:27,712 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:15:27,715 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:15:27,715 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:15:27,715 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:19:38,472 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:19:38,473 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:19:38,473 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:19:38,476 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:19:38,476 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:19:38,476 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] Received shutdown request... [2024-05-30 17:20:55,942 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:20:55,942 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:20:55,945 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:20:56,055 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3839 states. [2024-05-30 17:20:56,055 INFO L212 cStratifiedReduction]: Copied states 522 times. [2024-05-30 17:20:56,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 17:20:56,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-05-30 17:20:56,256 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-13-1 term,while SimplifyDDA2 was simplifying 12 xjuncts wrt. a ATOM-1 context. [2024-05-30 17:20:56,258 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:20:56,290 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1] [2024-05-30 17:20:56,291 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-30 17:20:56,295 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 17:20:56,295 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 17:20:56,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 05:20:56 BasicIcfg [2024-05-30 17:20:56,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 17:20:56,297 INFO L158 Benchmark]: Toolchain (without parser) took 858647.64ms. Allocated memory was 174.1MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 103.5MB in the beginning and 704.1MB in the end (delta: -600.7MB). Peak memory consumption was 865.1MB. Max. memory is 8.0GB. [2024-05-30 17:20:56,297 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 17:20:56,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.10ms. Allocated memory is still 174.1MB. Free memory was 103.3MB in the beginning and 91.4MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-30 17:20:56,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.95ms. Allocated memory is still 174.1MB. Free memory was 91.3MB in the beginning and 89.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 17:20:56,298 INFO L158 Benchmark]: Boogie Preprocessor took 20.91ms. Allocated memory is still 174.1MB. Free memory was 89.3MB in the beginning and 87.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 17:20:56,298 INFO L158 Benchmark]: RCFGBuilder took 427.76ms. Allocated memory was 174.1MB in the beginning and 304.1MB in the end (delta: 130.0MB). Free memory was 87.7MB in the beginning and 260.4MB in the end (delta: -172.6MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2024-05-30 17:20:56,298 INFO L158 Benchmark]: TraceAbstraction took 857963.46ms. Allocated memory was 304.1MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 259.3MB in the beginning and 704.1MB in the end (delta: -444.8MB). Peak memory consumption was 890.0MB. Max. memory is 8.0GB. [2024-05-30 17:20:56,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 200.10ms. Allocated memory is still 174.1MB. Free memory was 103.3MB in the beginning and 91.4MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.95ms. Allocated memory is still 174.1MB. Free memory was 91.3MB in the beginning and 89.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.91ms. Allocated memory is still 174.1MB. Free memory was 89.3MB in the beginning and 87.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 427.76ms. Allocated memory was 174.1MB in the beginning and 304.1MB in the end (delta: 130.0MB). Free memory was 87.7MB in the beginning and 260.4MB in the end (delta: -172.6MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * TraceAbstraction took 857963.46ms. Allocated memory was 304.1MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 259.3MB in the beginning and 704.1MB in the end (delta: -444.8MB). Peak memory consumption was 890.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14868, independent: 13472, independent conditional: 13472, independent unconditional: 0, dependent: 1396, dependent conditional: 1396, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13472, independent: 13472, independent conditional: 13472, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13472, independent: 13472, independent conditional: 13472, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13472, independent: 13472, independent conditional: 0, independent unconditional: 13472, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13472, independent: 13472, independent conditional: 0, independent unconditional: 13472, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13472, independent: 13472, independent conditional: 0, independent unconditional: 13472, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13472, independent: 13472, independent conditional: 0, independent unconditional: 13472, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13472, independent: 13472, independent conditional: 0, independent unconditional: 13472, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13472, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 13472, unknown conditional: 0, unknown unconditional: 13472] , Statistics on independence cache: Total cache size (in pairs): 13472, Positive cache size: 13472, Positive conditional cache size: 0, Positive unconditional cache size: 13472, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1396 - StatisticsResult: Reduction benchmarks 31.3ms Time before loop, 640.5ms Time in loop, 0.7s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 16, Reduction States: 555, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 14.7ms Time before loop, 203.0ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 16, Reduction States: 605, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 80.2ms Time before loop, 198.7ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 16, Reduction States: 613, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 36.1ms Time before loop, 174.8ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 13, Reduction States: 548, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 4.2ms Time before loop, 185.0ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 624, Duplicate States: 58, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 463.9ms Time before loop, 629.1ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 21, Reduction States: 859, Duplicate States: 116, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 1208.3ms Time before loop, 1259.2ms Time in loop, 2.5s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 18, Reduction States: 838, Duplicate States: 116, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 13.8ms Time before loop, 2989.9ms Time in loop, 3.0s Time in total, Has Loop: 1, wrong guesses: 6, overall guesses: 25, Reduction States: 1659, Duplicate States: 174, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 4240.1ms Time before loop, 4212.4ms Time in loop, 8.5s Time in total, Has Loop: 1, wrong guesses: 6, overall guesses: 22, Reduction States: 1538, Duplicate States: 174, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 18.3ms Time before loop, 5393.6ms Time in loop, 5.4s Time in total, Has Loop: 1, wrong guesses: 7, overall guesses: 17, Reduction States: 1198, Duplicate States: 203, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 20.3ms Time before loop, 30025.8ms Time in loop, 30.0s Time in total, Has Loop: 1, wrong guesses: 11, overall guesses: 25, Reduction States: 1978, Duplicate States: 319, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 21.5ms Time before loop, 161231.7ms Time in loop, 161.3s Time in total, Has Loop: 1, wrong guesses: 16, overall guesses: 35, Reduction States: 3142, Duplicate States: 464, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 25.9ms Time before loop, 591605.3ms Time in loop, 591.6s Time in total, Has Loop: 1, wrong guesses: 18, overall guesses: 37, Reduction States: 3839, Duplicate States: 522, Protected Variables: 6 - StatisticsResult: Visitor Statistics States: 537, Transitions: 594, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 537, Transitions: 599, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 544, Transitions: 606, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 477, Transitions: 530, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 542, Transitions: 622, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 749, Transitions: 862, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 724, Transitions: 828, Traversal time: 2.5s - StatisticsResult: Visitor Statistics States: 1505, Transitions: 1714, Traversal time: 3.0s - StatisticsResult: Visitor Statistics States: 1381, Transitions: 1569, Traversal time: 8.4s - StatisticsResult: Visitor Statistics States: 1050, Transitions: 1180, Traversal time: 5.4s - StatisticsResult: Visitor Statistics States: 1772, Transitions: 2004, Traversal time: 30.0s - StatisticsResult: Visitor Statistics States: 2850, Transitions: 3236, Traversal time: 161.3s - StatisticsResult: Visitor Statistics States: 3512, Transitions: 4006, Traversal time: 591.6s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 59, RedundantProofs: 9, ProvenStates: 1862, Times there's more than one choice: 1715, Avg number of choices: 7.80827067669173 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-13-1 term,while SimplifyDDA2 was simplifying 12 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 209 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 857.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 805.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1292, 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: 0.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 47.2s InterpolantComputationTime, 4674 NumberOfCodeBlocks, 4655 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 6832 ConstructedInterpolants, 53 QuantifiedInterpolants, 72127 SizeOfPredicates, 246 NumberOfNonLiveVariables, 3859 ConjunctsInSsa, 451 ConjunctsInUnsatCore, 30 InterpolantComputations, 4 PerfectInterpolantSequences, 1289/11029 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown