/usr/bin/java -Xmx7000000000 -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/popl20-bad-counter-queue2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 06:36:00,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 06:36:00,976 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 06:36:00,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 06:36:00,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 06:36:00,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 06:36:00,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 06:36:00,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 06:36:00,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 06:36:00,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 06:36:00,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 06:36:00,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 06:36:00,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 06:36:00,994 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 06:36:00,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 06:36:00,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 06:36:00,995 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 06:36:00,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 06:36:00,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 06:36:00,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 06:36:00,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 06:36:00,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 06:36:00,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 06:36:00,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 06:36:00,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 06:36:00,996 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 06:36:00,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 06:36:00,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 06:36:00,997 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 06:36:00,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 06:36:00,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 06:36:00,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 06:36:00,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 06:36:00,998 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 06:36:00,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 06:36:00,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 06:36:00,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 06:36:00,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 06:36:00,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 06:36:00,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 06:36:00,999 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 06:36:00,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 06:36:01,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 06:36:01,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 06:36:01,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 06:36:01,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 06:36:01,197 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 06:36:01,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-09-07 06:36:02,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 06:36:02,380 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 06:36:02,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-09-07 06:36:02,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0682d9af5/9476c57c2de8448abecd0f4741947ff5/FLAGf14756a6a [2023-09-07 06:36:02,394 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0682d9af5/9476c57c2de8448abecd0f4741947ff5 [2023-09-07 06:36:02,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 06:36:02,396 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 06:36:02,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 06:36:02,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 06:36:02,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 06:36:02,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c809620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02, skipping insertion in model container [2023-09-07 06:36:02,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,419 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 06:36:02,516 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2023-09-07 06:36:02,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 06:36:02,529 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 06:36:02,541 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2023-09-07 06:36:02,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 06:36:02,553 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 06:36:02,554 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 06:36:02,558 INFO L206 MainTranslator]: Completed translation [2023-09-07 06:36:02,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02 WrapperNode [2023-09-07 06:36:02,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 06:36:02,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 06:36:02,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 06:36:02,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 06:36:02,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,595 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2023-09-07 06:36:02,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 06:36:02,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 06:36:02,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 06:36:02,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 06:36:02,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 06:36:02,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 06:36:02,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 06:36:02,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 06:36:02,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (1/1) ... [2023-09-07 06:36:02,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 06:36:02,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:02,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 06:36:02,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 06:36:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 06:36:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 06:36:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 06:36:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 06:36:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 06:36:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 06:36:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 06:36:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 06:36:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 06:36:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 06:36:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 06:36:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 06:36:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 06:36:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 06:36:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 06:36:02,694 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 06:36:02,787 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 06:36:02,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 06:36:03,029 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 06:36:03,114 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 06:36:03,114 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-07 06:36:03,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:36:03 BoogieIcfgContainer [2023-09-07 06:36:03,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 06:36:03,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 06:36:03,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 06:36:03,132 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 06:36:03,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 06:36:02" (1/3) ... [2023-09-07 06:36:03,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bd16fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:36:03, skipping insertion in model container [2023-09-07 06:36:03,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:36:02" (2/3) ... [2023-09-07 06:36:03,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bd16fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:36:03, skipping insertion in model container [2023-09-07 06:36:03,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:36:03" (3/3) ... [2023-09-07 06:36:03,134 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2023-09-07 06:36:03,139 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 06:36:03,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 06:36:03,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 06:36:03,145 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 06:36:03,201 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-07 06:36:03,228 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 06:36:03,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 06:36:03,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:03,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 06:36:03,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 06:36:03,282 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 06:36:03,287 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 06:36:03,291 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;@a29fb01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 06:36:03,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 06:36:03,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:03,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:03,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1678286687, now seen corresponding path program 1 times [2023-09-07 06:36:03,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:03,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989589934] [2023-09-07 06:36:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:03,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 06:36:03,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:03,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989589934] [2023-09-07 06:36:03,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989589934] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 06:36:03,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 06:36:03,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 06:36:03,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142410298] [2023-09-07 06:36:03,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 06:36:03,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 06:36:03,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:03,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 06:36:03,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 06:36:03,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:03,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:03,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:36:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:03,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:03,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 06:36:03,731 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:03,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:03,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1959497520, now seen corresponding path program 1 times [2023-09-07 06:36:03,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:03,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479258820] [2023-09-07 06:36:03,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:03,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 06:36:04,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:04,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479258820] [2023-09-07 06:36:04,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479258820] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:04,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249145662] [2023-09-07 06:36:04,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:04,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:04,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:04,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:04,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-07 06:36:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:04,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 62 conjunts are in the unsatisfiable core [2023-09-07 06:36:04,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:36:04,694 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-09-07 06:36:04,839 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-09-07 06:36:04,839 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2023-09-07 06:36:04,954 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-09-07 06:36:05,078 INFO L351 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 6 treesize of output 5 [2023-09-07 06:36:05,113 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-07 06:36:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:36:05,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:36:05,494 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2023-09-07 06:36:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 06:36:05,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249145662] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:36:05,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:36:05,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 9] total 30 [2023-09-07 06:36:05,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289429213] [2023-09-07 06:36:05,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:36:05,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-09-07 06:36:05,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:05,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-09-07 06:36:05,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=753, Unknown=0, NotChecked=0, Total=870 [2023-09-07 06:36:05,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:05,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:05,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.033333333333333) internal successors, (211), 30 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:36:05,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:05,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:06,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-07 06:36:06,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-09-07 06:36:06,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:06,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:06,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1446102289, now seen corresponding path program 2 times [2023-09-07 06:36:06,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:06,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425754568] [2023-09-07 06:36:06,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:06,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 06:36:06,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:06,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425754568] [2023-09-07 06:36:06,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425754568] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:06,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368409953] [2023-09-07 06:36:06,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 06:36:06,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:06,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:06,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:06,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-07 06:36:06,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 06:36:06,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:36:06,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-07 06:36:06,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:36:06,616 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 06:36:06,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:36:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 06:36:06,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368409953] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:36:06,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:36:06,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 19 [2023-09-07 06:36:06,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208825130] [2023-09-07 06:36:06,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:36:06,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-07 06:36:06,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:06,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-07 06:36:06,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2023-09-07 06:36:06,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:06,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:06,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 10.0) internal successors, (190), 19 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:36:06,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:06,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:06,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:07,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:07,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-09-07 06:36:07,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:07,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:07,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:07,489 INFO L85 PathProgramCache]: Analyzing trace with hash 483530701, now seen corresponding path program 3 times [2023-09-07 06:36:07,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:07,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235954848] [2023-09-07 06:36:07,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 06:36:07,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:07,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235954848] [2023-09-07 06:36:07,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235954848] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:07,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670871934] [2023-09-07 06:36:07,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 06:36:07,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:07,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:07,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:07,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-07 06:36:08,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-07 06:36:08,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:36:08,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 103 conjunts are in the unsatisfiable core [2023-09-07 06:36:08,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:36:08,475 INFO L351 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 13 treesize of output 9 [2023-09-07 06:36:08,672 INFO L351 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 6 treesize of output 5 [2023-09-07 06:36:08,709 INFO L351 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 6 treesize of output 5 [2023-09-07 06:36:09,234 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 06:36:09,236 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:36:09,236 INFO L351 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 17 treesize of output 9 [2023-09-07 06:36:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 06:36:09,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:36:10,963 INFO L322 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-09-07 06:36:10,964 INFO L351 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 158 treesize of output 128 [2023-09-07 06:36:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 06:36:11,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670871934] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:36:11,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:36:11,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 36, 27] total 71 [2023-09-07 06:36:11,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721694580] [2023-09-07 06:36:11,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:36:11,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-09-07 06:36:11,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:11,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-09-07 06:36:11,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=488, Invalid=4482, Unknown=0, NotChecked=0, Total=4970 [2023-09-07 06:36:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:11,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:11,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.295774647887324) internal successors, (305), 71 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:36:11,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:11,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:11,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:11,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-09-07 06:36:14,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-07 06:36:14,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:14,836 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:14,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash -848114968, now seen corresponding path program 4 times [2023-09-07 06:36:14,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:14,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226419694] [2023-09-07 06:36:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-07 06:36:15,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:15,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226419694] [2023-09-07 06:36:15,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226419694] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:15,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093295582] [2023-09-07 06:36:15,108 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 06:36:15,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:15,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:15,109 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:15,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-07 06:36:15,179 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 06:36:15,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:36:15,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-07 06:36:15,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:36:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 27 proven. 43 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-09-07 06:36:15,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:36:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-09-07 06:36:15,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093295582] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:36:15,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:36:15,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 19] total 46 [2023-09-07 06:36:15,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909322903] [2023-09-07 06:36:15,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:36:15,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-09-07 06:36:15,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:15,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-09-07 06:36:15,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=1781, Unknown=0, NotChecked=0, Total=2070 [2023-09-07 06:36:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:15,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:15,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 5.565217391304348) internal successors, (256), 46 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:36:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-09-07 06:36:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:17,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:17,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:17,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:17,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:17,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:17,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-07 06:36:17,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:17,887 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:17,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:17,888 INFO L85 PathProgramCache]: Analyzing trace with hash 548956285, now seen corresponding path program 5 times [2023-09-07 06:36:17,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:17,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835666281] [2023-09-07 06:36:17,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 51 proven. 99 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-09-07 06:36:18,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:18,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835666281] [2023-09-07 06:36:18,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835666281] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:18,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583928119] [2023-09-07 06:36:18,291 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 06:36:18,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:18,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:18,294 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:18,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-07 06:36:18,403 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-09-07 06:36:18,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:36:18,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 20 conjunts are in the unsatisfiable core [2023-09-07 06:36:18,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:36:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 55 proven. 44 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-07 06:36:18,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:36:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 34 proven. 65 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-07 06:36:19,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583928119] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:36:19,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:36:19,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 49 [2023-09-07 06:36:19,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68002153] [2023-09-07 06:36:19,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:36:19,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-09-07 06:36:19,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:19,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-09-07 06:36:19,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=2125, Unknown=0, NotChecked=0, Total=2352 [2023-09-07 06:36:19,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:19,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:19,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.6938775510204085) internal successors, (279), 49 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:36:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:21,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:36:21,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-07 06:36:21,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:21,885 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:21,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:21,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1717343721, now seen corresponding path program 6 times [2023-09-07 06:36:21,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:21,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843254206] [2023-09-07 06:36:21,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:21,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:36:27,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:27,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843254206] [2023-09-07 06:36:27,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843254206] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:27,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096038999] [2023-09-07 06:36:27,018 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 06:36:27,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:27,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:27,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:27,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-07 06:36:27,302 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-09-07 06:36:27,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:36:27,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 249 conjunts are in the unsatisfiable core [2023-09-07 06:36:27,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:36:28,941 INFO L351 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 11 treesize of output 7 [2023-09-07 06:36:29,505 INFO L351 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 6 treesize of output 5 [2023-09-07 06:36:29,595 INFO L351 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 6 treesize of output 5 [2023-09-07 06:36:32,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:36:32,142 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:36:32,142 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 33 [2023-09-07 06:36:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:36:32,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:36:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:36:37,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096038999] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:36:37,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:36:37,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 68, 58] total 177 [2023-09-07 06:36:37,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68985548] [2023-09-07 06:36:37,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:36:37,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 177 states [2023-09-07 06:36:37,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2023-09-07 06:36:37,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1753, Invalid=29399, Unknown=0, NotChecked=0, Total=31152 [2023-09-07 06:36:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:37,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:37,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 177 states, 177 states have (on average 2.8079096045197742) internal successors, (497), 177 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) [2023-09-07 06:36:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:36:37,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:36:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:36:44,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-07 06:36:44,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:44,695 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:44,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:44,696 INFO L85 PathProgramCache]: Analyzing trace with hash 973806416, now seen corresponding path program 7 times [2023-09-07 06:36:44,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:44,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789820389] [2023-09-07 06:36:44,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:44,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 142 proven. 215 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-09-07 06:36:45,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:45,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789820389] [2023-09-07 06:36:45,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789820389] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:45,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551145913] [2023-09-07 06:36:45,345 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 06:36:45,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:45,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:45,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:45,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-07 06:36:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:45,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 34 conjunts are in the unsatisfiable core [2023-09-07 06:36:45,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:36:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 186 proven. 169 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-09-07 06:36:46,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:36:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 243 proven. 112 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-09-07 06:36:47,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551145913] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:36:47,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:36:47,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 35, 35] total 94 [2023-09-07 06:36:47,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539610028] [2023-09-07 06:36:47,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:36:47,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-09-07 06:36:47,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:47,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-09-07 06:36:47,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1009, Invalid=7733, Unknown=0, NotChecked=0, Total=8742 [2023-09-07 06:36:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:47,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:47,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.48936170212766) internal successors, (422), 94 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:36:47,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:47,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:47,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:47,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:47,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:47,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:36:47,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:36:47,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:36:50,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:36:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:36:50,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-09-07 06:36:51,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-09-07 06:36:51,005 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:51,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:51,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1383077607, now seen corresponding path program 8 times [2023-09-07 06:36:51,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:51,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897012200] [2023-09-07 06:36:51,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:51,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 264 proven. 227 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-09-07 06:36:51,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:51,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897012200] [2023-09-07 06:36:51,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897012200] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:51,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414654956] [2023-09-07 06:36:51,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 06:36:51,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:51,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:51,869 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:51,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-07 06:36:52,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 06:36:52,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:36:52,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 42 conjunts are in the unsatisfiable core [2023-09-07 06:36:52,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:36:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 248 proven. 297 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-09-07 06:36:53,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:36:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 248 proven. 297 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-09-07 06:36:54,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414654956] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:36:54,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:36:54,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 43, 43] total 118 [2023-09-07 06:36:54,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203361875] [2023-09-07 06:36:54,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:36:54,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2023-09-07 06:36:54,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:36:54,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2023-09-07 06:36:54,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1338, Invalid=12468, Unknown=0, NotChecked=0, Total=13806 [2023-09-07 06:36:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:54,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:36:54,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 4.296610169491525) internal successors, (507), 118 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:36:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:54,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:36:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:36:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:36:54,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:36:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:36:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:36:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:36:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:36:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:36:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:36:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:36:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:36:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:36:57,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-09-07 06:36:58,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:58,043 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:36:58,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:36:58,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1962274063, now seen corresponding path program 9 times [2023-09-07 06:36:58,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:36:58,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142328726] [2023-09-07 06:36:58,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:36:58,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:36:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:36:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 322 proven. 351 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-09-07 06:36:59,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:36:59,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142328726] [2023-09-07 06:36:59,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142328726] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:36:59,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791936662] [2023-09-07 06:36:59,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 06:36:59,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:36:59,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:36:59,019 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:36:59,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-09-07 06:36:59,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-09-07 06:36:59,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:36:59,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 38 conjunts are in the unsatisfiable core [2023-09-07 06:36:59,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:37:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 189 proven. 194 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-09-07 06:37:00,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:37:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 148 proven. 235 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-09-07 06:37:01,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791936662] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:37:01,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:37:01,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39, 39] total 85 [2023-09-07 06:37:01,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111868059] [2023-09-07 06:37:01,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:37:01,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2023-09-07 06:37:01,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:37:01,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2023-09-07 06:37:01,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=6513, Unknown=0, NotChecked=0, Total=7140 [2023-09-07 06:37:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:01,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:37:01,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.482352941176471) internal successors, (381), 85 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:37:01,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:37:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:37:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:37:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:37:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:37:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:37:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:37:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:37:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:37:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:37:05,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-09-07 06:37:05,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-09-07 06:37:05,737 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:37:05,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:37:05,753 INFO L85 PathProgramCache]: Analyzing trace with hash 328222223, now seen corresponding path program 10 times [2023-09-07 06:37:05,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:37:05,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333411574] [2023-09-07 06:37:05,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:37:05,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:37:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:37:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 325 proven. 380 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-09-07 06:37:07,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:37:07,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333411574] [2023-09-07 06:37:07,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333411574] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:37:07,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956955723] [2023-09-07 06:37:07,019 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 06:37:07,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:37:07,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:37:07,020 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:37:07,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-09-07 06:37:07,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 06:37:07,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:37:07,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 46 conjunts are in the unsatisfiable core [2023-09-07 06:37:07,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:37:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 389 proven. 316 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-09-07 06:37:08,672 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:37:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 470 proven. 235 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-09-07 06:37:10,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956955723] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:37:10,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:37:10,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 114 [2023-09-07 06:37:10,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558334610] [2023-09-07 06:37:10,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:37:10,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-09-07 06:37:10,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:37:10,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-09-07 06:37:10,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1836, Invalid=11046, Unknown=0, NotChecked=0, Total=12882 [2023-09-07 06:37:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:10,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:37:10,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 4.035087719298246) internal successors, (460), 114 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:37:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:37:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:37:11,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:37:11,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-09-07 06:37:12,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-09-07 06:37:12,042 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:37:12,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:37:12,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1574151024, now seen corresponding path program 11 times [2023-09-07 06:37:12,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:37:12,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807057788] [2023-09-07 06:37:12,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:37:12,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:37:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:37:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 492 proven. 395 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-09-07 06:37:13,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:37:13,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807057788] [2023-09-07 06:37:13,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807057788] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:37:13,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510643660] [2023-09-07 06:37:13,373 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 06:37:13,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:37:13,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:37:13,374 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:37:13,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-09-07 06:37:13,608 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2023-09-07 06:37:13,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:37:13,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 48 conjunts are in the unsatisfiable core [2023-09-07 06:37:13,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:37:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 342 proven. 296 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-09-07 06:37:15,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:37:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 286 proven. 352 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-09-07 06:37:15,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510643660] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:37:15,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:37:15,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 105 [2023-09-07 06:37:15,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427656606] [2023-09-07 06:37:15,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:37:15,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2023-09-07 06:37:15,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:37:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2023-09-07 06:37:15,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=927, Invalid=9993, Unknown=0, NotChecked=0, Total=10920 [2023-09-07 06:37:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:15,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:37:15,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 4.152380952380953) internal successors, (436), 105 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:37:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:37:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:37:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:37:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:37:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:37:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:37:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:37:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:37:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:37:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:37:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:37:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:37:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:37:21,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-09-07 06:37:21,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-09-07 06:37:21,899 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:37:21,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:37:21,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1547975150, now seen corresponding path program 12 times [2023-09-07 06:37:21,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:37:21,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109540993] [2023-09-07 06:37:21,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:37:21,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:37:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:37:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 1443 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:37:40,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:37:40,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109540993] [2023-09-07 06:37:40,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109540993] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:37:40,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656226359] [2023-09-07 06:37:40,466 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 06:37:40,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:37:40,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:37:40,467 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:37:40,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-09-07 06:37:41,019 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2023-09-07 06:37:41,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:37:41,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 518 conjunts are in the unsatisfiable core [2023-09-07 06:37:41,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:37:41,771 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:41,822 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:41,879 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:41,936 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:42,001 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:42,058 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:42,120 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:42,171 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:42,229 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:42,427 INFO L351 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 13 treesize of output 9 [2023-09-07 06:37:43,167 INFO L351 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 6 treesize of output 5 [2023-09-07 06:37:43,259 INFO L351 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 6 treesize of output 5 [2023-09-07 06:38:02,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:38:02,567 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:38:02,567 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 165 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 200 treesize of output 687 [2023-09-07 06:38:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 97 proven. 806 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-09-07 06:38:04,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:38:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 1437 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-07 06:38:33,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656226359] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:38:33,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:38:33,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [122, 104, 109] total 323 [2023-09-07 06:38:33,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296171860] [2023-09-07 06:38:33,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:38:33,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 323 states [2023-09-07 06:38:33,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:38:33,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 323 interpolants. [2023-09-07 06:38:34,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2834, Invalid=101172, Unknown=0, NotChecked=0, Total=104006 [2023-09-07 06:38:34,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:38:34,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:38:34,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 323 states, 323 states have (on average 2.4210526315789473) internal successors, (782), 323 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:38:34,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:39:30,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:39:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:39:30,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-09-07 06:39:30,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-09-07 06:39:30,963 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:39:30,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:39:30,963 INFO L85 PathProgramCache]: Analyzing trace with hash -617625961, now seen corresponding path program 13 times [2023-09-07 06:39:30,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:39:30,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820133457] [2023-09-07 06:39:30,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:39:30,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:39:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:39:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 674 proven. 698 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2023-09-07 06:39:32,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:39:32,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820133457] [2023-09-07 06:39:32,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820133457] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:39:32,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969365061] [2023-09-07 06:39:32,699 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 06:39:32,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:39:32,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:39:32,701 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:39:32,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-09-07 06:39:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:39:32,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 62 conjunts are in the unsatisfiable core [2023-09-07 06:39:32,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:39:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 767 proven. 582 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-09-07 06:39:34,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:39:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 880 proven. 469 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-09-07 06:39:36,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969365061] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:39:36,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:39:36,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 63, 63] total 178 [2023-09-07 06:39:36,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526894442] [2023-09-07 06:39:36,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:39:36,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 178 states [2023-09-07 06:39:36,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:39:36,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2023-09-07 06:39:36,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3347, Invalid=28159, Unknown=0, NotChecked=0, Total=31506 [2023-09-07 06:39:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:39:36,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:39:36,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 178 states, 178 states have (on average 3.904494382022472) internal successors, (695), 178 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:39:36,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:39:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:39:45,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:39:45,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-09-07 06:39:45,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:39:45,398 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:39:45,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:39:45,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1936480400, now seen corresponding path program 14 times [2023-09-07 06:39:45,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:39:45,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098831746] [2023-09-07 06:39:45,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:39:45,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:39:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:39:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 908 proven. 689 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-09-07 06:39:47,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:39:47,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098831746] [2023-09-07 06:39:47,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098831746] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:39:47,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098945187] [2023-09-07 06:39:47,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 06:39:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:39:47,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:39:47,614 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:39:47,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-09-07 06:39:47,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 06:39:47,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:39:47,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 70 conjunts are in the unsatisfiable core [2023-09-07 06:39:47,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:39:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 724 proven. 976 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-09-07 06:39:51,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:39:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 724 proven. 976 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-09-07 06:39:53,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098945187] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:39:53,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:39:53,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 71, 71] total 202 [2023-09-07 06:39:53,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024670777] [2023-09-07 06:39:53,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:39:53,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2023-09-07 06:39:53,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:39:53,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2023-09-07 06:39:53,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3690, Invalid=36912, Unknown=0, NotChecked=0, Total=40602 [2023-09-07 06:39:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:39:53,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:39:53,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 3.8613861386138613) internal successors, (780), 202 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:39:53,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:39:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:39:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:39:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:39:53,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:39:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:39:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:39:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:39:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:39:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:39:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:39:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-09-07 06:39:59,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-09-07 06:39:59,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-09-07 06:39:59,926 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:39:59,927 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:39:59,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1149422042, now seen corresponding path program 15 times [2023-09-07 06:39:59,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:39:59,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153920238] [2023-09-07 06:39:59,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:39:59,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:39:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:40:02,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2479 backedges. 1022 proven. 904 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2023-09-07 06:40:02,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:40:02,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153920238] [2023-09-07 06:40:02,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153920238] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:40:02,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484459219] [2023-09-07 06:40:02,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 06:40:02,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:40:02,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:40:02,296 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:40:02,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-09-07 06:40:03,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2023-09-07 06:40:03,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:40:03,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 84 conjunts are in the unsatisfiable core [2023-09-07 06:40:03,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:40:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2479 backedges. 753 proven. 621 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2023-09-07 06:40:06,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:40:08,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2479 backedges. 545 proven. 692 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2023-09-07 06:40:08,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484459219] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:40:08,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:40:08,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 72, 67] total 175 [2023-09-07 06:40:08,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884052273] [2023-09-07 06:40:08,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:40:08,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2023-09-07 06:40:08,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:40:08,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2023-09-07 06:40:08,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3315, Invalid=27135, Unknown=0, NotChecked=0, Total=30450 [2023-09-07 06:40:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:08,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:40:08,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 3.697142857142857) internal successors, (647), 175 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:40:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:40:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:40:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:40:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-09-07 06:40:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:40:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-09-07 06:40:21,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2023-09-07 06:40:21,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-09-07 06:40:21,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-09-07 06:40:21,235 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:40:21,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:40:21,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1260626330, now seen corresponding path program 16 times [2023-09-07 06:40:21,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:40:21,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456953581] [2023-09-07 06:40:21,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:40:21,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:40:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:40:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2636 backedges. 1025 proven. 947 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-09-07 06:40:23,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:40:23,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456953581] [2023-09-07 06:40:23,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456953581] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:40:23,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126848534] [2023-09-07 06:40:23,949 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 06:40:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:40:23,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:40:23,957 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:40:23,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-09-07 06:40:24,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 06:40:24,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:40:24,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 74 conjunts are in the unsatisfiable core [2023-09-07 06:40:24,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:40:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2636 backedges. 1138 proven. 834 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-09-07 06:40:27,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:40:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2636 backedges. 1275 proven. 697 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-09-07 06:40:30,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126848534] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:40:30,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:40:30,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 184 [2023-09-07 06:40:30,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000903428] [2023-09-07 06:40:30,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:40:30,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2023-09-07 06:40:30,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:40:30,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2023-09-07 06:40:30,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4629, Invalid=29043, Unknown=0, NotChecked=0, Total=33672 [2023-09-07 06:40:30,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:30,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:40:30,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 184 states, 184 states have (on average 3.7934782608695654) internal successors, (698), 184 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2023-09-07 06:40:30,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:40:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:40:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:40:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:40:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2023-09-07 06:40:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-09-07 06:40:33,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-09-07 06:40:33,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-09-07 06:40:33,990 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:40:33,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:40:33,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1343155113, now seen corresponding path program 17 times [2023-09-07 06:40:33,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:40:33,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901998897] [2023-09-07 06:40:33,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:40:33,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:40:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:40:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3054 backedges. 1304 proven. 962 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-09-07 06:40:37,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:40:37,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901998897] [2023-09-07 06:40:37,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901998897] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:40:37,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714906808] [2023-09-07 06:40:37,141 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 06:40:37,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:40:37,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:40:37,143 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:40:37,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-09-07 06:40:37,714 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2023-09-07 06:40:37,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:40:37,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 76 conjunts are in the unsatisfiable core [2023-09-07 06:40:37,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:40:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3054 backedges. 874 proven. 793 refuted. 0 times theorem prover too weak. 1387 trivial. 0 not checked. [2023-09-07 06:40:41,351 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:40:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3054 backedges. 783 proven. 884 refuted. 0 times theorem prover too weak. 1387 trivial. 0 not checked. [2023-09-07 06:40:44,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714906808] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:40:44,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:40:44,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 161 [2023-09-07 06:40:44,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271677120] [2023-09-07 06:40:44,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:40:44,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2023-09-07 06:40:44,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:40:44,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2023-09-07 06:40:44,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2117, Invalid=23643, Unknown=0, NotChecked=0, Total=25760 [2023-09-07 06:40:44,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:44,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:40:44,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 3.7080745341614905) internal successors, (597), 161 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-09-07 06:40:44,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:40:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:40:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-09-07 06:40:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2023-09-07 06:40:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-09-07 06:40:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2023-09-07 06:40:58,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-09-07 06:40:58,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-09-07 06:40:58,805 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:40:58,805 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:40:58,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1496477369, now seen corresponding path program 18 times [2023-09-07 06:40:58,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:40:58,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027527388] [2023-09-07 06:40:58,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:40:58,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:40:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:41:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3480 backedges. 18 proven. 3462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:41:47,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:41:47,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027527388] [2023-09-07 06:41:47,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027527388] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:41:47,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112814570] [2023-09-07 06:41:47,211 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 06:41:47,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:41:47,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:41:47,212 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:41:47,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-09-07 06:41:48,492 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2023-09-07 06:41:48,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:41:48,508 WARN L260 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 761 conjunts are in the unsatisfiable core [2023-09-07 06:41:48,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:41:57,023 INFO L351 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 11 treesize of output 7 [2023-09-07 06:41:57,536 INFO L351 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 11 treesize of output 7 [2023-09-07 06:41:58,048 INFO L351 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 11 treesize of output 7 [2023-09-07 06:41:58,507 INFO L351 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 11 treesize of output 7 [2023-09-07 06:41:59,238 INFO L351 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 11 treesize of output 7 [2023-09-07 06:42:00,562 INFO L351 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 6 treesize of output 5 [2023-09-07 06:42:00,773 INFO L351 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 6 treesize of output 5 [2023-09-07 06:42:37,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-07 06:42:37,579 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:42:37,579 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 84 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 114 treesize of output 309 [2023-09-07 06:42:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3480 backedges. 0 proven. 3480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:42:38,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:43:41,941 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1181 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1181) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 48)) c_~counter~0) (select .cse0 (+ c_~A~0.offset (* c_~N~0 4) (- 32)))))) is different from false [2023-09-07 06:43:41,979 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1181 (Array Int Int)) (v_ArrVal_1180 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1180) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1181) c_~A~0.base))) (= (select .cse0 (+ c_~A~0.offset (* c_~N~0 4) (- 32))) (+ c_~counter~0 (select .cse0 (+ c_~A~0.offset 48)))))) is different from false [2023-09-07 06:43:42,837 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1181 (Array Int Int)) (v_ArrVal_1180 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1180) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1181) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (select .cse0 (+ (* c_~N~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| (- 32))) (+ c_~counter~0 (select .cse0 (+ 48 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))))) is different from false [2023-09-07 06:43:42,841 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1181 (Array Int Int)) (v_ArrVal_1180 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1180) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1181) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (+ (select .cse0 (+ 48 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~counter~0) (select .cse0 (+ (* c_~N~0 4) (- 32) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))) is different from false [2023-09-07 06:44:16,226 INFO L322 Elim1Store]: treesize reduction 133, result has 32.8 percent of original size [2023-09-07 06:44:16,227 INFO L351 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 5 case distinctions, treesize of input 120 treesize of output 97 [2023-09-07 06:44:16,257 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:44:16,258 INFO L351 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 98 treesize of output 91 [2023-09-07 06:44:16,289 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:44:16,289 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 83 treesize of output 69 [2023-09-07 06:44:16,321 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:44:16,321 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 35 treesize of output 33 [2023-09-07 06:45:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3480 backedges. 0 proven. 3480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:45:41,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112814570] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:45:41,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:45:41,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [176, 180, 181] total 526 [2023-09-07 06:45:41,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475485585] [2023-09-07 06:45:41,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:45:41,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 526 states [2023-09-07 06:45:41,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:45:41,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 526 interpolants. [2023-09-07 06:45:41,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3781, Invalid=268011, Unknown=186, NotChecked=4172, Total=276150 [2023-09-07 06:45:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:45:41,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:45:41,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 526 states, 526 states have (on average 2.3916349809885933) internal successors, (1258), 526 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:45:41,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:45:41,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:45:41,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 06:45:41,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-09-07 06:45:41,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-09-07 06:45:41,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states. [2023-09-07 06:45:41,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Received shutdown request... [2023-09-07 06:50:07,541 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 06:50:07,547 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 06:50:07,551 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-09-07 06:50:08,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-09-07 06:50:08,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:50:08,466 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-07 06:50:08,468 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 06:50:08,472 INFO L445 BasicCegarLoop]: Path program histogram: [18, 1] [2023-09-07 06:50:08,473 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2023-09-07 06:50:08,474 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 06:50:08,474 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 06:50:08,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 06:50:08 BasicIcfg [2023-09-07 06:50:08,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 06:50:08,476 INFO L158 Benchmark]: Toolchain (without parser) took 846079.64ms. Allocated memory was 276.8MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 242.7MB in the beginning and 1.2GB in the end (delta: -967.2MB). Peak memory consumption was 925.3MB. Max. memory is 7.0GB. [2023-09-07 06:50:08,476 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 157.3MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 06:50:08,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.36ms. Allocated memory is still 276.8MB. Free memory was 242.7MB in the beginning and 230.9MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-07 06:50:08,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.70ms. Allocated memory is still 276.8MB. Free memory was 230.9MB in the beginning and 229.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 06:50:08,476 INFO L158 Benchmark]: Boogie Preprocessor took 20.97ms. Allocated memory is still 276.8MB. Free memory was 229.1MB in the beginning and 227.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 06:50:08,476 INFO L158 Benchmark]: RCFGBuilder took 499.43ms. Allocated memory is still 276.8MB. Free memory was 227.4MB in the beginning and 200.7MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 7.0GB. [2023-09-07 06:50:08,477 INFO L158 Benchmark]: TraceAbstraction took 845349.75ms. Allocated memory was 276.8MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 200.1MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 882.3MB. Max. memory is 7.0GB. [2023-09-07 06:50:08,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 157.3MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 161.36ms. Allocated memory is still 276.8MB. Free memory was 242.7MB in the beginning and 230.9MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 35.70ms. Allocated memory is still 276.8MB. Free memory was 230.9MB in the beginning and 229.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 20.97ms. Allocated memory is still 276.8MB. Free memory was 229.1MB in the beginning and 227.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 499.43ms. Allocated memory is still 276.8MB. Free memory was 227.4MB in the beginning and 200.7MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 7.0GB. * TraceAbstraction took 845349.75ms. Allocated memory was 276.8MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 200.1MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 882.3MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1796, independent: 1632, independent conditional: 1632, independent unconditional: 0, dependent: 164, dependent conditional: 164, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1651, independent: 1632, independent conditional: 1632, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1651, independent: 1632, independent conditional: 1632, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1823, independent: 1632, independent conditional: 0, independent unconditional: 1632, dependent: 191, dependent conditional: 172, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1823, independent: 1632, independent conditional: 0, independent unconditional: 1632, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1823, independent: 1632, independent conditional: 0, independent unconditional: 1632, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1651, independent: 1632, independent conditional: 0, independent unconditional: 1632, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1651, independent: 1632, independent conditional: 0, independent unconditional: 1632, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1823, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 172, dependent conditional: 0, dependent unconditional: 172, unknown: 1651, unknown conditional: 0, unknown unconditional: 1651] , Statistics on independence cache: Total cache size (in pairs): 1651, Positive cache size: 1632, Positive conditional cache size: 0, Positive unconditional cache size: 1632, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 172, Maximal queried relation: 18, Independence queries for same thread: 145 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 160, RedundantProofs: 18, ProvenStates: 641 - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 845.2s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 402.4s, 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: 2410, 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: 0.6s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 430.6s InterpolantComputationTime, 9374 NumberOfCodeBlocks, 9237 NumberOfCodeBlocksAsserted, 147 NumberOfCheckSat, 13962 ConstructedInterpolants, 120 QuantifiedInterpolants, 169139 SizeOfPredicates, 1389 NumberOfNonLiveVariables, 13816 ConjunctsInSsa, 2313 ConjunctsInUnsatCore, 55 InterpolantComputations, 1 PerfectInterpolantSequences, 33530/64724 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