/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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.number.of.independence.relations.to.use.for.por 2 --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL '--traceabstraction.abstraction.used.for.commutativity.in.por.#2' NONE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 16:19:53,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 16:19:54,036 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-07 16:19:54,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 16:19:54,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 16:19:54,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 16:19:54,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 16:19:54,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 16:19:54,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 16:19:54,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 16:19:54,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 16:19:54,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 16:19:54,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 16:19:54,067 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 16:19:54,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 16:19:54,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 16:19:54,068 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 16:19:54,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 16:19:54,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 16:19:54,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 16:19:54,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 16:19:54,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 16:19:54,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 16:19:54,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 16:19:54,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 16:19:54,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 16:19:54,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 16:19:54,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 16:19:54,070 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 16:19:54,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 16:19:54,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 16:19:54,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 16:19:54,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 16:19:54,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 16:19:54,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 16:19:54,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 16:19:54,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 16:19:54,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 16:19:54,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 16:19:54,072 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-07 16:19:54,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Number of independence relations to use for POR -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR #2 -> NONE [2023-09-07 16:19:54,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 16:19:54,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 16:19:54,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 16:19:54,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 16:19:54,294 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 16:19:54,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2023-09-07 16:19:55,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 16:19:55,515 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 16:19:55,515 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2023-09-07 16:19:55,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5113dbdbe/6a35150cbe9c49028a71d20c317fc222/FLAGc9950bc30 [2023-09-07 16:19:55,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5113dbdbe/6a35150cbe9c49028a71d20c317fc222 [2023-09-07 16:19:55,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 16:19:55,534 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 16:19:55,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 16:19:55,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 16:19:55,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 16:19:55,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fe883e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55, skipping insertion in model container [2023-09-07 16:19:55,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 16:19:55,702 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/chl-word-symm.wvr.c[2848,2861] [2023-09-07 16:19:55,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 16:19:55,719 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 16:19:55,734 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/chl-word-symm.wvr.c[2848,2861] [2023-09-07 16:19:55,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 16:19:55,748 INFO L206 MainTranslator]: Completed translation [2023-09-07 16:19:55,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55 WrapperNode [2023-09-07 16:19:55,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 16:19:55,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 16:19:55,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 16:19:55,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 16:19:55,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,775 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 136 [2023-09-07 16:19:55,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 16:19:55,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 16:19:55,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 16:19:55,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 16:19:55,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 16:19:55,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 16:19:55,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 16:19:55,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 16:19:55,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (1/1) ... [2023-09-07 16:19:55,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 16:19:55,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:19:55,836 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 16:19:55,855 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 16:19:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 16:19:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 16:19:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 16:19:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 16:19:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 16:19:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 16:19:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 16:19:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 16:19:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 16:19:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 16:19:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 16:19:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 16:19:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 16:19:55,872 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 16:19:55,967 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 16:19:55,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 16:19:56,213 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 16:19:56,220 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 16:19:56,220 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-07 16:19:56,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:19:56 BoogieIcfgContainer [2023-09-07 16:19:56,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 16:19:56,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 16:19:56,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 16:19:56,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 16:19:56,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 04:19:55" (1/3) ... [2023-09-07 16:19:56,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53afc5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:19:56, skipping insertion in model container [2023-09-07 16:19:56,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 04:19:55" (2/3) ... [2023-09-07 16:19:56,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53afc5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 04:19:56, skipping insertion in model container [2023-09-07 16:19:56,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 04:19:56" (3/3) ... [2023-09-07 16:19:56,230 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2023-09-07 16:19:56,236 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 16:19:56,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 16:19:56,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 16:19:56,243 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 16:19:56,321 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-07 16:19:56,355 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 16:19:56,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 16:19:56,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:19:56,358 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 16:19:56,374 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 16:19:56,394 INFO L103 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 16:19:56,404 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-09-07 16:19:56,404 WARN L169 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-09-07 16:19:56,404 WARN L170 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-09-07 16:19:56,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 16:19:56,414 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;@5f89fb9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 16:19:56,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-09-07 16:19:56,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:19:56,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:19:56,617 INFO L85 PathProgramCache]: Analyzing trace with hash 566389397, now seen corresponding path program 1 times [2023-09-07 16:19:56,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:19:56,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120573597] [2023-09-07 16:19:56,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:19:56,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:19:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:19:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:19:56,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:19:56,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120573597] [2023-09-07 16:19:56,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120573597] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 16:19:56,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 16:19:56,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 16:19:56,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108778765] [2023-09-07 16:19:56,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:19:56,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 16:19:56,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:19:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 16:19:56,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 16:19:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:56,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:19:56,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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 16:19:56,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:56,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 16:19:56,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:19:56,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:19:56,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1928981015, now seen corresponding path program 1 times [2023-09-07 16:19:56,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:19:56,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580340192] [2023-09-07 16:19:56,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:19:56,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:19:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:19:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:19:57,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:19:57,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580340192] [2023-09-07 16:19:57,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580340192] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 16:19:57,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 16:19:57,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 16:19:57,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51832393] [2023-09-07 16:19:57,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:19:57,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 16:19:57,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:19:57,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 16:19:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-09-07 16:19:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:57,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:19:57,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 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 16:19:57,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:57,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:57,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:57,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:19:57,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 16:19:57,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:19:57,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:19:57,577 INFO L85 PathProgramCache]: Analyzing trace with hash 597567405, now seen corresponding path program 1 times [2023-09-07 16:19:57,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:19:57,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358081341] [2023-09-07 16:19:57,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:19:57,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:19:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:19:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 16:19:57,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:19:57,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358081341] [2023-09-07 16:19:57,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358081341] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 16:19:57,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 16:19:57,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 16:19:57,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813557221] [2023-09-07 16:19:57,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:19:57,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 16:19:57,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:19:57,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 16:19:57,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-09-07 16:19:57,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:57,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:19:57,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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 16:19:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:19:57,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:57,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:57,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:19:57,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:19:57,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 16:19:57,932 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:19:57,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:19:57,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1776030623, now seen corresponding path program 1 times [2023-09-07 16:19:57,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:19:57,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020117663] [2023-09-07 16:19:57,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:19:57,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:19:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:19:58,021 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 16:19:58,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:19:58,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020117663] [2023-09-07 16:19:58,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020117663] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 16:19:58,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 16:19:58,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 16:19:58,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801142544] [2023-09-07 16:19:58,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:19:58,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 16:19:58,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:19:58,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 16:19:58,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 16:19:58,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:58,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:19:58,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 16:19:58,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:58,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:19:58,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:19:58,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:19:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:19:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:19:58,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 16:19:58,089 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:19:58,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:19:58,089 INFO L85 PathProgramCache]: Analyzing trace with hash -822047805, now seen corresponding path program 1 times [2023-09-07 16:19:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:19:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997501169] [2023-09-07 16:19:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:19:58,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:19:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:19:58,183 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 16:19:58,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:19:58,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997501169] [2023-09-07 16:19:58,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997501169] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 16:19:58,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 16:19:58,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 16:19:58,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748382036] [2023-09-07 16:19:58,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:19:58,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 16:19:58,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:19:58,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 16:19:58,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 16:19:58,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:58,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:19:58,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 16:19:58,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:58,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:19:58,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:19:58,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:19:58,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:19:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:19:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:19:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:19:58,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:19:58,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 16:19:58,218 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:19:58,218 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:19:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1861076716, now seen corresponding path program 1 times [2023-09-07 16:19:58,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:19:58,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344297840] [2023-09-07 16:19:58,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:19:58,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:19:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:20:01,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:01,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344297840] [2023-09-07 16:20:01,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344297840] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:01,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980212725] [2023-09-07 16:20:01,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:01,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:01,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:01,123 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 16:20:01,124 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 16:20:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:01,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 87 conjunts are in the unsatisfiable core [2023-09-07 16:20:01,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:01,287 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 16:20:01,416 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-09-07 16:20:01,417 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-09-07 16:20:01,590 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 16:20:01,950 INFO L322 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-09-07 16:20:01,950 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-09-07 16:20:02,143 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 16:20:02,393 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 16:20:02,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 16:20:03,433 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:20:03,433 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 77 [2023-09-07 16:20:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:20:03,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:05,368 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 16:20:05,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980212725] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:05,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-07 16:20:05,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [34, 36] total 80 [2023-09-07 16:20:05,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653853861] [2023-09-07 16:20:05,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:20:05,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-09-07 16:20:05,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:05,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-09-07 16:20:05,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=6002, Unknown=0, NotChecked=0, Total=6320 [2023-09-07 16:20:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:05,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:05,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.9523809523809526) internal successors, (167), 21 states have internal predecessors, (167), 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 16:20:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:05,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:05,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:05,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:05,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:05,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 16:20:07,133 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 16:20:07,328 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,SelfDestructingSolverStorable5 [2023-09-07 16:20:07,329 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:07,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:07,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1414598116, now seen corresponding path program 1 times [2023-09-07 16:20:07,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:07,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631300209] [2023-09-07 16:20:07,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:07,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 16:20:07,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:07,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631300209] [2023-09-07 16:20:07,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631300209] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:07,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18978603] [2023-09-07 16:20:07,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:07,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:07,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:07,549 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 16:20:07,551 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 16:20:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:07,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-07 16:20:07,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 16:20:07,883 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 16:20:08,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18978603] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:08,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:08,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2023-09-07 16:20:08,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525056883] [2023-09-07 16:20:08,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:08,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-09-07 16:20:08,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:08,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-09-07 16:20:08,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-09-07 16:20:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:08,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:08,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.535714285714286) internal successors, (323), 28 states have internal predecessors, (323), 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 16:20:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 16:20:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 16:20:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:09,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-07 16:20:09,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:09,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:09,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:09,467 INFO L85 PathProgramCache]: Analyzing trace with hash -715321508, now seen corresponding path program 2 times [2023-09-07 16:20:09,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:09,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105068029] [2023-09-07 16:20:09,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:09,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:10,134 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 16:20:10,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:10,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105068029] [2023-09-07 16:20:10,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105068029] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 16:20:10,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 16:20:10,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-09-07 16:20:10,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59369685] [2023-09-07 16:20:10,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:20:10,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-09-07 16:20:10,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:10,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-09-07 16:20:10,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-09-07 16:20:10,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:10,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:10,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.8) internal successors, (176), 20 states have internal predecessors, (176), 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 16:20:10,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:10,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:10,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:10,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:10,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:10,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 16:20:10,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:10,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 16:20:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:10,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 16:20:10,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-07 16:20:10,564 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:10,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:10,564 INFO L85 PathProgramCache]: Analyzing trace with hash -753501718, now seen corresponding path program 1 times [2023-09-07 16:20:10,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:10,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309894241] [2023-09-07 16:20:10,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:10,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:20:10,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:10,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309894241] [2023-09-07 16:20:10,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309894241] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:10,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99040506] [2023-09-07 16:20:10,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:10,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:10,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:10,846 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 16:20:10,852 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 16:20:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:10,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 16:20:10,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:20:11,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:20:11,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99040506] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:11,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-07 16:20:11,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15, 15] total 35 [2023-09-07 16:20:11,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449133009] [2023-09-07 16:20:11,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:20:11,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-09-07 16:20:11,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:11,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-09-07 16:20:11,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2023-09-07 16:20:11,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:11,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:11,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 15 states have internal predecessors, (173), 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 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 16:20:11,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:12,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:12,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:12,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 16:20:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 16:20:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:12,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-09-07 16:20:12,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:12,595 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:12,595 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:12,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1373520994, now seen corresponding path program 1 times [2023-09-07 16:20:12,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:12,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253892785] [2023-09-07 16:20:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:12,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 16:20:12,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:12,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253892785] [2023-09-07 16:20:12,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253892785] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 16:20:12,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 16:20:12,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 16:20:12,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100621443] [2023-09-07 16:20:12,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 16:20:12,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 16:20:12,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:12,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 16:20:12,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 16:20:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:12,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:12,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:12,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:14,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-09-07 16:20:14,845 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:14,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:14,845 INFO L85 PathProgramCache]: Analyzing trace with hash -429633047, now seen corresponding path program 1 times [2023-09-07 16:20:14,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:14,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272209934] [2023-09-07 16:20:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:14,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 16:20:15,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:15,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272209934] [2023-09-07 16:20:15,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272209934] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:15,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118276086] [2023-09-07 16:20:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:15,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:15,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:15,432 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 16:20:15,434 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 16:20:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:15,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 31 conjunts are in the unsatisfiable core [2023-09-07 16:20:15,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:15,685 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-09-07 16:20:15,685 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 26 treesize of output 10 [2023-09-07 16:20:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 16:20:15,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:15,845 INFO L322 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2023-09-07 16:20:15,846 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 48 [2023-09-07 16:20:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 16:20:15,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118276086] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:15,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:15,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 9, 9] total 31 [2023-09-07 16:20:15,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285486915] [2023-09-07 16:20:15,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:15,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-09-07 16:20:15,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-09-07 16:20:15,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2023-09-07 16:20:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:15,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:15,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.129032258064516) internal successors, (283), 31 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:16,614 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 16:20:16,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-09-07 16:20:16,814 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:16,814 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:16,814 INFO L85 PathProgramCache]: Analyzing trace with hash -450195577, now seen corresponding path program 1 times [2023-09-07 16:20:16,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:16,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220464639] [2023-09-07 16:20:16,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:16,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:20:20,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:20,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220464639] [2023-09-07 16:20:20,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220464639] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:20,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539035174] [2023-09-07 16:20:20,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:20,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:20,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:20,314 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 16:20:20,316 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 16:20:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:20,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 63 conjunts are in the unsatisfiable core [2023-09-07 16:20:20,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:21,412 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:20:21,413 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 69 [2023-09-07 16:20:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 16:20:21,810 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:22,996 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:20:22,997 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 55 [2023-09-07 16:20:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-07 16:20:23,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539035174] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:23,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:23,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 24, 22] total 77 [2023-09-07 16:20:23,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238727310] [2023-09-07 16:20:23,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:23,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-09-07 16:20:23,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:23,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-09-07 16:20:23,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=5583, Unknown=0, NotChecked=0, Total=5852 [2023-09-07 16:20:23,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:23,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:23,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 5.441558441558442) internal successors, (419), 77 states have internal predecessors, (419), 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 16:20:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:23,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:23,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:23,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:23,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:23,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:20:29,985 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 16:20:30,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:30,180 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:30,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:30,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1785512873, now seen corresponding path program 2 times [2023-09-07 16:20:30,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:30,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671148452] [2023-09-07 16:20:30,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:30,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-07 16:20:30,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:30,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671148452] [2023-09-07 16:20:30,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671148452] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:30,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224489970] [2023-09-07 16:20:30,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 16:20:30,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:30,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:30,411 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 16:20:30,413 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 16:20:30,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 16:20:30,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:20:30,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 16:20:30,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-07 16:20:30,826 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-07 16:20:31,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224489970] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:31,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:31,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-09-07 16:20:31,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192536350] [2023-09-07 16:20:31,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:31,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-07 16:20:31,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:31,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-07 16:20:31,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-09-07 16:20:31,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:31,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:31,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 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 16:20:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:31,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:31,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:31,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:31,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:31,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:31,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:31,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:20:31,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:20:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:31,818 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 16:20:32,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:32,016 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:32,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:32,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1682525485, now seen corresponding path program 3 times [2023-09-07 16:20:32,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:32,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14878474] [2023-09-07 16:20:32,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:32,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-07 16:20:32,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:32,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14878474] [2023-09-07 16:20:32,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14878474] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:32,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274839711] [2023-09-07 16:20:32,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 16:20:32,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:32,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:32,296 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 16:20:32,298 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 16:20:32,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-07 16:20:32,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:20:32,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-07 16:20:32,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-07 16:20:32,777 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-07 16:20:33,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274839711] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:33,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:33,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-09-07 16:20:33,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690267291] [2023-09-07 16:20:33,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:33,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-07 16:20:33,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:33,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-07 16:20:33,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-09-07 16:20:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:33,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:33,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 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 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:33,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:33,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-07 16:20:33,732 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,SelfDestructingSolverStorable13 [2023-09-07 16:20:33,732 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:33,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:33,732 INFO L85 PathProgramCache]: Analyzing trace with hash -254424287, now seen corresponding path program 4 times [2023-09-07 16:20:33,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:33,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617963378] [2023-09-07 16:20:33,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:33,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-09-07 16:20:35,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:35,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617963378] [2023-09-07 16:20:35,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617963378] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:35,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489361636] [2023-09-07 16:20:35,091 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 16:20:35,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:35,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:35,091 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 16:20:35,092 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 16:20:35,204 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 16:20:35,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:20:35,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 47 conjunts are in the unsatisfiable core [2023-09-07 16:20:35,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:35,518 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-09-07 16:20:35,518 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 35 treesize of output 20 [2023-09-07 16:20:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 16:20:35,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:35,760 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:20:35,761 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 16:20:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-09-07 16:20:35,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489361636] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:35,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:35,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 15, 13] total 43 [2023-09-07 16:20:35,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102230689] [2023-09-07 16:20:35,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:35,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-09-07 16:20:35,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:35,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-09-07 16:20:35,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1643, Unknown=0, NotChecked=0, Total=1806 [2023-09-07 16:20:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:35,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:35,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.790697674418604) internal successors, (335), 43 states have internal predecessors, (335), 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 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:35,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:20:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-09-07 16:20:37,061 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 16:20:37,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-09-07 16:20:37,261 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:37,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:37,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2093085253, now seen corresponding path program 1 times [2023-09-07 16:20:37,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:37,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848980472] [2023-09-07 16:20:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:37,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 16:20:37,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:37,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848980472] [2023-09-07 16:20:37,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848980472] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:37,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255224201] [2023-09-07 16:20:37,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:37,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:37,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:37,685 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 16:20:37,689 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 16:20:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:37,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 32 conjunts are in the unsatisfiable core [2023-09-07 16:20:37,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 16:20:38,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 16:20:39,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255224201] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:39,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:39,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 24] total 64 [2023-09-07 16:20:39,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7380968] [2023-09-07 16:20:39,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:39,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 16:20:39,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:39,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 16:20:39,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=691, Invalid=3341, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 16:20:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:39,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:39,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.8125) internal successors, (500), 64 states have internal predecessors, (500), 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 16:20:39,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:39,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:39,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:39,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:39,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:39,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:39,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-09-07 16:20:39,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:20:47,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-09-07 16:20:47,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-09-07 16:20:47,302 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,SelfDestructingSolverStorable15 [2023-09-07 16:20:47,302 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:47,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:47,303 INFO L85 PathProgramCache]: Analyzing trace with hash -457805218, now seen corresponding path program 5 times [2023-09-07 16:20:47,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:47,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620125927] [2023-09-07 16:20:47,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:47,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-09-07 16:20:48,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:48,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620125927] [2023-09-07 16:20:48,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620125927] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:48,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540783033] [2023-09-07 16:20:48,476 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 16:20:48,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:48,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:48,477 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 16:20:48,479 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 16:20:48,603 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-09-07 16:20:48,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:20:48,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 49 conjunts are in the unsatisfiable core [2023-09-07 16:20:48,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:49,082 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-09-07 16:20:49,083 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 26 treesize of output 10 [2023-09-07 16:20:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-09-07 16:20:49,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:49,296 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:20:49,296 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 16:20:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-09-07 16:20:49,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540783033] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:49,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:49,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 13] total 40 [2023-09-07 16:20:49,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400652663] [2023-09-07 16:20:49,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:49,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-09-07 16:20:49,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:49,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-09-07 16:20:49,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1406, Unknown=0, NotChecked=0, Total=1560 [2023-09-07 16:20:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:49,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:49,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 8.25) internal successors, (330), 40 states have internal predecessors, (330), 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 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:49,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:49,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:20:49,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:49,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:49,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:20:49,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-09-07 16:20:49,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:20:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:20:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:20:51,067 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 16:20:51,260 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,SelfDestructingSolverStorable16 [2023-09-07 16:20:51,260 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:20:51,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:20:51,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1228070222, now seen corresponding path program 6 times [2023-09-07 16:20:51,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:20:51,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340375574] [2023-09-07 16:20:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:20:51,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:20:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:20:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:20:55,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:20:55,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340375574] [2023-09-07 16:20:55,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340375574] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:20:55,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310303561] [2023-09-07 16:20:55,916 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 16:20:55,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:20:55,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:20:55,917 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 16:20:55,918 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 16:20:56,110 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-09-07 16:20:56,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:20:56,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 71 conjunts are in the unsatisfiable core [2023-09-07 16:20:56,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:20:57,786 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:20:57,786 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 65 [2023-09-07 16:20:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-09-07 16:20:58,284 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:20:59,579 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:20:59,579 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 54 [2023-09-07 16:20:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-09-07 16:20:59,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310303561] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:20:59,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:20:59,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 31, 26] total 101 [2023-09-07 16:20:59,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016917023] [2023-09-07 16:20:59,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:20:59,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-09-07 16:20:59,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:20:59,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-09-07 16:20:59,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=9699, Unknown=0, NotChecked=0, Total=10100 [2023-09-07 16:20:59,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:59,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:20:59,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.346534653465347) internal successors, (540), 101 states have internal predecessors, (540), 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 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:20:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:20:59,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:20:59,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:21:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:21:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:21:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:21:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:21:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-09-07 16:21:10,957 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 16:21:11,151 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,SelfDestructingSolverStorable17 [2023-09-07 16:21:11,152 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:21:11,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:21:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash 260536748, now seen corresponding path program 7 times [2023-09-07 16:21:11,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:21:11,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610510924] [2023-09-07 16:21:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:21:11,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:21:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:21:12,500 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 22 proven. 83 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-09-07 16:21:12,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:21:12,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610510924] [2023-09-07 16:21:12,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610510924] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:21:12,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085538324] [2023-09-07 16:21:12,501 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 16:21:12,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:21:12,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:21:12,502 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 16:21:12,504 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 16:21:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:21:12,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 67 conjunts are in the unsatisfiable core [2023-09-07 16:21:12,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:21:13,265 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-09-07 16:21:13,265 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 31 treesize of output 20 [2023-09-07 16:21:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 22 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 16:21:13,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:21:13,580 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:21:13,581 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 16:21:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 16:21:13,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085538324] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:21:13,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:21:13,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 17] total 68 [2023-09-07 16:21:13,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440895223] [2023-09-07 16:21:13,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:21:13,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-09-07 16:21:13,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:21:13,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-09-07 16:21:13,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=4260, Unknown=0, NotChecked=0, Total=4556 [2023-09-07 16:21:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:13,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:21:13,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 7.161764705882353) internal successors, (487), 68 states have internal predecessors, (487), 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 16:21:13,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-09-07 16:21:13,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:23,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:21:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:21:23,956 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 16:21:24,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:21:24,152 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:21:24,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:21:24,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1059450119, now seen corresponding path program 8 times [2023-09-07 16:21:24,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:21:24,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757050367] [2023-09-07 16:21:24,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:21:24,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:21:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:21:25,381 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-09-07 16:21:25,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:21:25,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757050367] [2023-09-07 16:21:25,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757050367] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:21:25,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217375293] [2023-09-07 16:21:25,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 16:21:25,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:21:25,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:21:25,383 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 16:21:25,385 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 16:21:25,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 16:21:25,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:21:25,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 82 conjunts are in the unsatisfiable core [2023-09-07 16:21:25,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:21:26,072 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 16:21:26,172 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 15 treesize of output 11 [2023-09-07 16:21:26,277 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 16:21:26,309 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 16:21:26,805 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-09-07 16:21:26,805 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 34 treesize of output 10 [2023-09-07 16:21:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-09-07 16:21:26,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:21:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 2 proven. 54 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 16:21:27,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217375293] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:21:27,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:21:27,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 17] total 80 [2023-09-07 16:21:27,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173367767] [2023-09-07 16:21:27,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:21:27,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-09-07 16:21:27,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:21:27,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-09-07 16:21:27,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=6019, Unknown=0, NotChecked=0, Total=6320 [2023-09-07 16:21:27,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:27,525 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:21:27,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.7875) internal successors, (543), 80 states have internal predecessors, (543), 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 16:21:27,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:27,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:21:27,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:21:27,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:27,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:27,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:21:27,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:21:27,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:21:27,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:33,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:33,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:21:33,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:21:33,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:21:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:21:33,021 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 16:21:33,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:21:33,217 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:21:33,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:21:33,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1590361993, now seen corresponding path program 9 times [2023-09-07 16:21:33,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:21:33,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574229606] [2023-09-07 16:21:33,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:21:33,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:21:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:21:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-09-07 16:21:36,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:21:36,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574229606] [2023-09-07 16:21:36,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574229606] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:21:36,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400780279] [2023-09-07 16:21:36,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 16:21:36,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:21:36,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:21:36,584 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 16:21:36,585 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 16:21:36,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-07 16:21:36,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:21:36,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 71 conjunts are in the unsatisfiable core [2023-09-07 16:21:36,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:21:38,931 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:21:38,931 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 65 [2023-09-07 16:21:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 16:21:39,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:21:41,041 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:21:41,041 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 54 [2023-09-07 16:21:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-09-07 16:21:41,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400780279] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:21:41,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:21:41,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 35, 30] total 111 [2023-09-07 16:21:41,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612391322] [2023-09-07 16:21:41,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:21:41,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2023-09-07 16:21:41,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:21:41,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2023-09-07 16:21:41,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=11771, Unknown=0, NotChecked=0, Total=12210 [2023-09-07 16:21:41,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:41,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:21:41,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 5.36936936936937) internal successors, (596), 111 states have internal predecessors, (596), 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 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:21:41,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:21:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:21:54,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:21:54,705 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 16:21:54,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:21:54,901 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:21:54,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:21:54,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1074110279, now seen corresponding path program 10 times [2023-09-07 16:21:54,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:21:54,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207823334] [2023-09-07 16:21:54,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:21:54,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:21:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:21:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 45 proven. 77 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-09-07 16:21:55,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:21:55,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207823334] [2023-09-07 16:21:55,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207823334] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:21:55,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169085182] [2023-09-07 16:21:55,302 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 16:21:55,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:21:55,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:21:55,303 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 16:21:55,305 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 16:21:55,426 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 16:21:55,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:21:55,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 22 conjunts are in the unsatisfiable core [2023-09-07 16:21:55,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:21:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 70 proven. 52 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-09-07 16:21:55,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:21:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 70 proven. 52 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-09-07 16:21:56,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169085182] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:21:56,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:21:56,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 64 [2023-09-07 16:21:56,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117598439] [2023-09-07 16:21:56,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:21:56,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 16:21:56,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:21:56,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 16:21:56,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3625, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 16:21:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:56,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:21:56,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.625) internal successors, (488), 64 states have internal predecessors, (488), 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 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:21:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:21:56,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:21:56,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:21:56,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:21:56,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:21:56,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:00,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:22:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:22:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:22:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:22:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:22:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:22:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:22:00,354 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 16:22:00,549 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,SelfDestructingSolverStorable21 [2023-09-07 16:22:00,550 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:22:00,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:22:00,550 INFO L85 PathProgramCache]: Analyzing trace with hash -988154831, now seen corresponding path program 11 times [2023-09-07 16:22:00,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:22:00,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263084322] [2023-09-07 16:22:00,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:22:00,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:22:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:22:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 31 proven. 160 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-09-07 16:22:02,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:22:02,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263084322] [2023-09-07 16:22:02,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263084322] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:22:02,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125295152] [2023-09-07 16:22:02,120 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 16:22:02,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:22:02,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:22:02,121 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 16:22:02,121 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 16:22:02,347 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-09-07 16:22:02,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:22:02,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-07 16:22:02,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:22:02,958 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-09-07 16:22:02,958 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 35 treesize of output 20 [2023-09-07 16:22:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 16:22:02,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:22:03,348 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:22:03,348 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 16:22:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 16:22:03,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125295152] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:22:03,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:22:03,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 23, 21] total 68 [2023-09-07 16:22:03,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925135952] [2023-09-07 16:22:03,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:22:03,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-09-07 16:22:03,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:22:03,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-09-07 16:22:03,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=4300, Unknown=0, NotChecked=0, Total=4556 [2023-09-07 16:22:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:03,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:22:03,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.705882352941177) internal successors, (456), 68 states have internal predecessors, (456), 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 16:22:03,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:03,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:22:03,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:22:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:22:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:22:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:22:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:22:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-07 16:22:07,366 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 16:22:07,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:22:07,560 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:22:07,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:22:07,560 INFO L85 PathProgramCache]: Analyzing trace with hash 522502965, now seen corresponding path program 2 times [2023-09-07 16:22:07,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:22:07,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419943728] [2023-09-07 16:22:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:22:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:22:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:22:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 60 proven. 140 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-09-07 16:22:08,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:22:08,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419943728] [2023-09-07 16:22:08,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419943728] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:22:08,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92027655] [2023-09-07 16:22:08,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 16:22:08,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:22:08,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:22:08,249 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 16:22:08,250 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 16:22:08,428 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 16:22:08,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:22:08,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 28 conjunts are in the unsatisfiable core [2023-09-07 16:22:08,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:22:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 82 proven. 72 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-07 16:22:09,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:22:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 115 proven. 39 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-07 16:22:10,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92027655] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:22:10,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:22:10,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 29, 29] total 79 [2023-09-07 16:22:10,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266609835] [2023-09-07 16:22:10,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:22:10,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-09-07 16:22:10,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:22:10,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-09-07 16:22:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=914, Invalid=5248, Unknown=0, NotChecked=0, Total=6162 [2023-09-07 16:22:10,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:10,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:22:10,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 7.3544303797468356) internal successors, (581), 79 states have internal predecessors, (581), 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 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:22:10,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-07 16:22:10,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:22:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:22:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:22:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:22:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:22:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:22:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:22:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:22:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2023-09-07 16:22:27,343 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 16:22:27,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:22:27,539 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:22:27,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:22:27,539 INFO L85 PathProgramCache]: Analyzing trace with hash -826637948, now seen corresponding path program 12 times [2023-09-07 16:22:27,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:22:27,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599538775] [2023-09-07 16:22:27,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:22:27,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:22:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:22:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-09-07 16:22:29,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:22:29,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599538775] [2023-09-07 16:22:29,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599538775] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:22:29,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177600050] [2023-09-07 16:22:29,088 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 16:22:29,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:22:29,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:22:29,089 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 16:22:29,091 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 16:22:29,380 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-09-07 16:22:29,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:22:29,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 59 conjunts are in the unsatisfiable core [2023-09-07 16:22:29,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:22:30,118 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-09-07 16:22:30,118 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 26 treesize of output 10 [2023-09-07 16:22:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 16:22:30,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:22:30,498 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:22:30,499 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 16:22:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 1 proven. 108 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 16:22:30,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177600050] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:22:30,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:22:30,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 31, 21] total 65 [2023-09-07 16:22:30,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103612543] [2023-09-07 16:22:30,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:22:30,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-09-07 16:22:30,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:22:30,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-09-07 16:22:30,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=3899, Unknown=0, NotChecked=0, Total=4160 [2023-09-07 16:22:30,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:30,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:22:30,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.815384615384615) internal successors, (443), 65 states have internal predecessors, (443), 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 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:30,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2023-09-07 16:22:30,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:22:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:22:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:22:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:22:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:22:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:22:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:22:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:22:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2023-09-07 16:22:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:22:35,192 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 16:22:35,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:22:35,387 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:22:35,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:22:35,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1641070156, now seen corresponding path program 13 times [2023-09-07 16:22:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:22:35,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68280802] [2023-09-07 16:22:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:22:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:22:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:22:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 42 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:22:39,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:22:39,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68280802] [2023-09-07 16:22:39,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68280802] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:22:39,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363691673] [2023-09-07 16:22:39,839 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 16:22:39,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:22:39,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:22:39,840 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 16:22:39,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-09-07 16:22:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:22:39,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 111 conjunts are in the unsatisfiable core [2023-09-07 16:22:39,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:22:42,327 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:22:42,327 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 69 [2023-09-07 16:22:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-09-07 16:22:42,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:22:45,035 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:22:45,035 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 54 [2023-09-07 16:22:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-09-07 16:22:45,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363691673] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:22:45,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:22:45,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 42, 34] total 131 [2023-09-07 16:22:45,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256714732] [2023-09-07 16:22:45,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:22:45,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2023-09-07 16:22:45,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:22:45,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2023-09-07 16:22:45,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=16555, Unknown=0, NotChecked=0, Total=17030 [2023-09-07 16:22:45,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:45,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:22:45,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 4.9541984732824424) internal successors, (649), 131 states have internal predecessors, (649), 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 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:22:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:22:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:22:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:22:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:22:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:22:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:22:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2023-09-07 16:22:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:22:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2023-09-07 16:23:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:05,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-09-07 16:23:05,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-09-07 16:23:05,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-09-07 16:23:05,600 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:23:05,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:23:05,601 INFO L85 PathProgramCache]: Analyzing trace with hash -144809340, now seen corresponding path program 14 times [2023-09-07 16:23:05,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:23:05,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728152147] [2023-09-07 16:23:05,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:23:05,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:23:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:23:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 77 proven. 118 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-09-07 16:23:06,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:23:06,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728152147] [2023-09-07 16:23:06,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728152147] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:23:06,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93381331] [2023-09-07 16:23:06,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 16:23:06,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:23:06,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:23:06,092 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 16:23:06,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-09-07 16:23:06,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 16:23:06,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:23:06,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 26 conjunts are in the unsatisfiable core [2023-09-07 16:23:06,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:23:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 110 proven. 85 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-09-07 16:23:06,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:23:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 110 proven. 85 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-09-07 16:23:07,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93381331] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:23:07,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:23:07,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-09-07 16:23:07,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074740598] [2023-09-07 16:23:07,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:23:07,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 16:23:07,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:23:07,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 16:23:07,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 16:23:07,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:07,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:23:07,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.34375) internal successors, (406), 64 states have internal predecessors, (406), 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 16:23:07,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:07,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:07,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:07,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:07,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-09-07 16:23:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-09-07 16:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-09-07 16:23:09,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-09-07 16:23:09,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-09-07 16:23:09,244 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:23:09,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:23:09,244 INFO L85 PathProgramCache]: Analyzing trace with hash -762097106, now seen corresponding path program 15 times [2023-09-07 16:23:09,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:23:09,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126297836] [2023-09-07 16:23:09,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:23:09,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:23:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:23:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 77 proven. 118 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-09-07 16:23:09,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:23:09,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126297836] [2023-09-07 16:23:09,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126297836] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:23:09,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293394349] [2023-09-07 16:23:09,699 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 16:23:09,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:23:09,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:23:09,699 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 16:23:09,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-09-07 16:23:10,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-09-07 16:23:10,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:23:10,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 26 conjunts are in the unsatisfiable core [2023-09-07 16:23:10,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:23:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 110 proven. 85 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-09-07 16:23:10,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:23:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 110 proven. 85 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-09-07 16:23:11,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293394349] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:23:11,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:23:11,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-09-07 16:23:11,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546130499] [2023-09-07 16:23:11,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:23:11,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-09-07 16:23:11,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:23:11,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-09-07 16:23:11,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2023-09-07 16:23:11,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:11,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:23:11,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.34375) internal successors, (406), 64 states have internal predecessors, (406), 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 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:11,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:11,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:11,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2023-09-07 16:23:11,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:11,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-09-07 16:23:11,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-09-07 16:23:11,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2023-09-07 16:23:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-09-07 16:23:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-09-07 16:23:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 16:23:12,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-09-07 16:23:13,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-09-07 16:23:13,104 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:23:13,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:23:13,104 INFO L85 PathProgramCache]: Analyzing trace with hash -107512836, now seen corresponding path program 16 times [2023-09-07 16:23:13,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:23:13,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562939874] [2023-09-07 16:23:13,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:23:13,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:23:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:23:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 40 proven. 263 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-09-07 16:23:15,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:23:15,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562939874] [2023-09-07 16:23:15,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562939874] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:23:15,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818883639] [2023-09-07 16:23:15,001 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 16:23:15,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:23:15,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:23:15,002 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 16:23:15,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-09-07 16:23:15,146 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 16:23:15,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:23:15,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 95 conjunts are in the unsatisfiable core [2023-09-07 16:23:15,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:23:16,090 INFO L322 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-09-07 16:23:16,090 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 35 treesize of output 20 [2023-09-07 16:23:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 40 proven. 368 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 16:23:16,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:23:16,631 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:23:16,631 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 16:23:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 40 proven. 140 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-09-07 16:23:16,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818883639] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:23:16,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:23:16,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 33, 25] total 88 [2023-09-07 16:23:16,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194453111] [2023-09-07 16:23:16,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:23:16,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2023-09-07 16:23:16,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:23:16,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2023-09-07 16:23:16,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=7332, Unknown=0, NotChecked=0, Total=7656 [2023-09-07 16:23:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:16,681 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:23:16,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.318181818181818) internal successors, (556), 88 states have internal predecessors, (556), 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 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 16:23:16,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:39,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:39,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:39,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2023-09-07 16:23:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-09-07 16:23:39,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 16:23:39,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:39,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-09-07 16:23:39,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:23:39,326 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:23:39,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:23:39,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1796553737, now seen corresponding path program 17 times [2023-09-07 16:23:39,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:23:39,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110839244] [2023-09-07 16:23:39,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:23:39,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:23:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:23:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 303 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-09-07 16:23:41,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:23:41,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110839244] [2023-09-07 16:23:41,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110839244] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:23:41,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299643152] [2023-09-07 16:23:41,231 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 16:23:41,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:23:41,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:23:41,232 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 16:23:41,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-09-07 16:23:41,540 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-09-07 16:23:41,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:23:41,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 79 conjunts are in the unsatisfiable core [2023-09-07 16:23:41,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:23:42,746 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-09-07 16:23:42,746 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 30 treesize of output 10 [2023-09-07 16:23:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-09-07 16:23:42,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:23:43,287 INFO L322 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2023-09-07 16:23:43,288 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2023-09-07 16:23:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 1 proven. 179 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-09-07 16:23:43,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299643152] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:23:43,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:23:43,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 38, 25] total 100 [2023-09-07 16:23:43,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480558242] [2023-09-07 16:23:43,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:23:43,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2023-09-07 16:23:43,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:23:43,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2023-09-07 16:23:43,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=9468, Unknown=0, NotChecked=0, Total=9900 [2023-09-07 16:23:43,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:43,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:23:43,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.31) internal successors, (631), 100 states have internal predecessors, (631), 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 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:43,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:43,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:50,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:23:50,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:23:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-09-07 16:23:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:23:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2023-09-07 16:23:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-09-07 16:23:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-07 16:23:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:23:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-09-07 16:23:50,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-09-07 16:23:51,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:23:51,037 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 16:23:51,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 16:23:51,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1359939943, now seen corresponding path program 18 times [2023-09-07 16:23:51,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 16:23:51,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659256473] [2023-09-07 16:23:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 16:23:51,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 16:23:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 16:23:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 71 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:23:56,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 16:23:56,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659256473] [2023-09-07 16:23:56,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659256473] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 16:23:56,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296685916] [2023-09-07 16:23:56,086 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 16:23:56,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 16:23:56,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 16:23:56,087 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 16:23:56,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-09-07 16:23:56,516 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-09-07 16:23:56,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 16:23:56,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 128 conjunts are in the unsatisfiable core [2023-09-07 16:23:56,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 16:23:59,687 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 16:24:00,216 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 16:24:00,319 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 16:24:04,794 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:24:04,794 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 57 [2023-09-07 16:24:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 161 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 16:24:05,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 16:24:24,110 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:24:24,110 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 1 case distinctions, treesize of input 117 treesize of output 81 [2023-09-07 16:24:24,158 INFO L322 Elim1Store]: treesize reduction 30, result has 63.9 percent of original size [2023-09-07 16:24:24,158 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1835 treesize of output 1615 [2023-09-07 16:24:24,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 16:24:24,189 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 16:24:24,207 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:24:24,207 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 707 treesize of output 549 [2023-09-07 16:24:24,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 16:24:24,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-07 16:24:24,247 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 16:24:24,247 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 499 treesize of output 445 [2023-09-07 16:24:26,555 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-09-07 16:24:26,556 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 1 case distinctions, treesize of input 225 treesize of output 1 [2023-09-07 16:24:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 137 proven. 209 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-09-07 16:24:28,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296685916] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 16:24:28,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 16:24:28,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 88, 65] total 223 [2023-09-07 16:24:28,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195660697] [2023-09-07 16:24:28,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 16:24:28,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2023-09-07 16:24:28,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 16:24:28,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2023-09-07 16:24:28,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2026, Invalid=47351, Unknown=129, NotChecked=0, Total=49506 [2023-09-07 16:24:28,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:24:28,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 16:24:28,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 4.013452914798206) internal successors, (895), 223 states have internal predecessors, (895), 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 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-09-07 16:24:28,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2023-09-07 16:24:28,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 16:24:39,244 WARN L234 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 213 DAG size of output: 213 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:24:39,892 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse134 (* c_thread1Thread1of1ForFork0_~i~0 4))) (let ((.cse108 (+ c_~get1~0.offset .cse134)) (.cse137 (select |c_#memory_int| c_~get1~0.base)) (.cse6 (select |c_#memory_int| c_~get2~0.base))) (let ((.cse0 (+ c_thread1Thread1of1ForFork0_~i~0 1)) (.cse16 (+ |c_thread1Thread1of1ForFork0_#t~mem4| 1)) (.cse14 (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse139 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse137 (+ .cse139 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse139 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137))))) (.cse45 (select .cse137 .cse108)) (.cse82 (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse138 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse135 (select .cse6 (+ c_~get2~0.offset .cse138 4))) (.cse136 (select .cse137 (+ .cse138 c_~get1~0.offset 4)))) (or (< .cse135 .cse136) (= .cse135 .cse136) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137))))))) (.cse17 (< c_~n2~0 7)) (.cse18 (< c_~n1~0 6)) (.cse105 (+ |c_thread1Thread1of1ForFork0_#t~post1| 1)) (.cse15 (select .cse6 (+ c_~get2~0.offset .cse134)))) (and (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse7 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse8 (select |c_#memory_int| ~get1~0.base)) (.cse9 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse1 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse5 (select .cse6 (+ c_~get2~0.offset .cse9 4))) (.cse4 (select .cse8 (+ .cse9 c_~get1~0.offset 4))) (.cse2 (select .cse8 (+ .cse7 c_~get1~0.offset))) (.cse3 (select .cse6 (+ c_~get2~0.offset .cse7)))) (or (< v_thread1Thread1of1ForFork0_~i~0_131 .cse0) (< c_~n2~0 .cse1) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse2 .cse3) (= .cse4 .cse5) (< c_~n1~0 .cse1) (< .cse5 .cse4) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse2 .cse3))))) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse12 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse11 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse10 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse6 (+ c_~get2~0.offset .cse10)) (+ (select .cse11 (+ .cse10 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse12) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse12) (let ((.cse13 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse11 (+ .cse13 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse13 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))) (or .cse14 (< .cse15 .cse16)) (or (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post24#1| 6) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse17 .cse18) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse25 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse26 (select .cse28 ~get1~0.base)) (.cse24 (select .cse28 c_~get2~0.base)) (.cse27 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse20 (select .cse24 (+ c_~get2~0.offset .cse27 4))) (.cse21 (select .cse26 (+ .cse27 c_~get1~0.offset 4))) (.cse19 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse22 (select .cse26 (+ .cse25 c_~get1~0.offset))) (.cse23 (select .cse24 (+ c_~get2~0.offset .cse25)))) (or (< c_~n2~0 .cse19) (= .cse20 .cse21) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse20 .cse21) (< .cse22 .cse23) (< c_~n1~0 .cse19) (= .cse22 .cse23) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse34 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse29 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse32 (select .cse34 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse30 (select .cse34 ~get1~0.base))) (or (< c_~n2~0 .cse29) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse29) (let ((.cse31 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse30 (+ .cse31 c_~get1~0.offset 4)) (+ (select .cse32 (+ .cse31 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) 1))) (let ((.cse33 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse32 (+ .cse33 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (+ (select .cse30 (+ .cse33 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse44 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse41 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse40 (select .cse44 ~get1~0.base)) (.cse42 (select .cse44 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse43 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse35 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse39 (select .cse42 (+ .cse43 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse38 (select .cse40 (+ .cse43 c_~get1~0.offset))) (.cse36 (select .cse42 (+ .cse41 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse37 (select .cse40 (+ .cse41 c_~get1~0.offset 4)))) (or (< c_~n2~0 .cse35) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse36 .cse37) (< .cse38 .cse39) (< c_~n1~0 .cse35) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse39 .cse38) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse36 .cse37)))))) (or (< (+ 6 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse17 .cse18) (or (< .cse15 (+ .cse45 1)) .cse14) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse51 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse48 (select .cse51 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse46 (select .cse51 ~get1~0.base)) (.cse49 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (let ((.cse47 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse46 (+ .cse47 c_~get1~0.offset 4)) (+ (select .cse48 (+ .cse47 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1))) (< c_~n2~0 .cse49) (let ((.cse50 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse48 (+ .cse50 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ (select .cse46 (+ .cse50 c_~get1~0.offset)) 1))) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse49) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse61 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse58 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse57 (select .cse61 |c_ULTIMATE.start_main_#t~ret16#1.base|)) (.cse59 (select .cse61 ~get1~0.base)) (.cse60 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse53 (select .cse59 (+ .cse60 c_~get1~0.offset 4))) (.cse52 (select .cse57 (+ .cse60 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4))) (.cse54 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse56 (select .cse59 (+ .cse58 c_~get1~0.offset))) (.cse55 (select .cse57 (+ .cse58 |c_ULTIMATE.start_main_#t~ret16#1.offset|)))) (or (< .cse52 .cse53) (= .cse53 .cse52) (< c_~n2~0 .cse54) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse55 .cse56) (< c_~n1~0 .cse54) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (< .cse56 .cse55)))))) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse64 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse63 (select |c_#memory_int| ~get1~0.base))) (or (< v_thread1Thread1of1ForFork0_~i~0_131 .cse0) (let ((.cse62 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse6 (+ c_~get2~0.offset .cse62)) (+ (select .cse63 (+ .cse62 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse64) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse64) (let ((.cse65 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse63 (+ .cse65 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse65 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse75 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse72 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse71 (select .cse75 ~get1~0.base)) (.cse73 (select .cse75 c_~get2~0.base)) (.cse74 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse68 (select .cse73 (+ c_~get2~0.offset .cse74 4))) (.cse67 (select .cse71 (+ .cse74 c_~get1~0.offset 4))) (.cse66 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse70 (select .cse73 (+ c_~get2~0.offset .cse72))) (.cse69 (select .cse71 (+ .cse72 c_~get1~0.offset)))) (or (< c_~n2~0 .cse66) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse67 .cse68) (< .cse68 .cse67) (< c_~n1~0 .cse66) (< .cse69 .cse70) (= .cse70 .cse69) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse81 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse76 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse79 (select .cse81 c_~get2~0.base)) (.cse77 (select .cse81 ~get1~0.base))) (or (< c_~n2~0 .cse76) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse78 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse77 (+ .cse78 c_~get1~0.offset 4)) (+ (select .cse79 (+ c_~get2~0.offset .cse78 4)) 1))) (< c_~n1~0 .cse76) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (let ((.cse80 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse79 (+ c_~get2~0.offset .cse80)) (+ (select .cse77 (+ .cse80 c_~get1~0.offset)) 1))))))) (or (< 6 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse17 .cse18) (or .cse82 (< |c_thread1Thread1of1ForFork0_#t~mem4| .cse15)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse92 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse89 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse90 (select .cse92 ~get1~0.base)) (.cse88 (select .cse92 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse91 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse86 (select .cse88 (+ .cse91 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse85 (select .cse90 (+ .cse91 c_~get1~0.offset))) (.cse87 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse84 (select .cse90 (+ .cse89 c_~get1~0.offset 4))) (.cse83 (select .cse88 (+ .cse89 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))) (or (< .cse83 .cse84) (< .cse85 .cse86) (< c_~n2~0 .cse87) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse86 .cse85) (< c_~n1~0 .cse87) (= .cse84 .cse83) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (or (< |c_thread1Thread1of1ForFork0_#t~mem5| .cse16) .cse14) (or (< .cse45 .cse15) .cse82) (or .cse82 (< |c_thread1Thread1of1ForFork0_#t~mem4| |c_thread1Thread1of1ForFork0_#t~mem5|)) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse98 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse99 (select |c_#memory_int| ~get1~0.base)) (.cse100 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse93 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse97 (select .cse6 (+ c_~get2~0.offset .cse100 4))) (.cse96 (select .cse99 (+ .cse100 c_~get1~0.offset 4))) (.cse94 (select .cse99 (+ .cse98 c_~get1~0.offset))) (.cse95 (select .cse6 (+ c_~get2~0.offset .cse98)))) (or (< c_~n2~0 .cse93) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse94 .cse95) (= .cse96 .cse97) (< c_~n1~0 .cse93) (< .cse97 .cse96) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse94 .cse95))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_131 Int)) (let ((.cse104 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (forall ((~get1~0.base Int)) (let ((.cse102 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse101 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse6 (+ c_~get2~0.offset .cse101)) (+ (select .cse102 (+ .cse101 c_~get1~0.offset)) 1))) (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse103 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse102 (+ .cse103 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse103 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137))))))) (< c_~n2~0 .cse104) (< c_~n1~0 .cse104) (< v_thread1Thread1of1ForFork0_~i~0_131 .cse105)))) (forall ((~get1~0.base Int)) (let ((.cse106 (select |c_#memory_int| ~get1~0.base))) (or (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse107 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse106 (+ .cse107 c_~get1~0.offset 4)) (+ (select .cse6 (+ c_~get2~0.offset .cse107 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)))) (< .cse15 (+ (select .cse106 .cse108) 1))))) (or .cse17 .cse18 (< 6 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse114 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse112 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse111 (select .cse114 ~get1~0.base)) (.cse109 (select .cse114 |c_ULTIMATE.start_main_#t~ret16#1.base|))) (or (let ((.cse110 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse109 (+ .cse110 |c_ULTIMATE.start_main_#t~ret16#1.offset|)) (+ (select .cse111 (+ .cse110 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse112) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse112) (let ((.cse113 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse111 (+ .cse113 c_~get1~0.offset 4)) (+ (select .cse109 (+ .cse113 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_131 Int)) (let ((.cse115 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (< c_~n2~0 .cse115) (< c_~n1~0 .cse115) (forall ((~get1~0.base Int)) (let ((.cse118 (select |c_#memory_int| ~get1~0.base)) (.cse122 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse120 (select .cse118 (+ .cse122 c_~get1~0.offset))) (.cse121 (select .cse6 (+ c_~get2~0.offset .cse122)))) (or (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse119 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse117 (select .cse6 (+ c_~get2~0.offset .cse119 4))) (.cse116 (select .cse118 (+ .cse119 c_~get1~0.offset 4)))) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse116 .cse117) (< .cse117 .cse116) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)))))) (< .cse120 .cse121) (= .cse120 .cse121))))) (< v_thread1Thread1of1ForFork0_~i~0_131 .cse105)))) (forall ((~get1~0.base Int)) (let ((.cse126 (select |c_#memory_int| ~get1~0.base))) (let ((.cse123 (select .cse126 .cse108))) (or (= .cse123 .cse15) (forall ((v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse127 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse125 (select .cse6 (+ c_~get2~0.offset .cse127 4))) (.cse124 (select .cse126 (+ .cse127 c_~get1~0.offset 4)))) (or (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse124 .cse125) (< .cse125 .cse124) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)))))) (< .cse123 .cse15))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse133 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse131 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse130 (select .cse133 c_~get2~0.base)) (.cse128 (select .cse133 ~get1~0.base))) (or (let ((.cse129 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse128 (+ .cse129 c_~get1~0.offset 4)) (+ (select .cse130 (+ c_~get2~0.offset .cse129 4)) 1))) (< c_~n2~0 .cse131) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse131) (let ((.cse132 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse130 (+ c_~get2~0.offset .cse132)) (+ (select .cse128 (+ .cse132 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))))))) is different from false [2023-09-07 16:24:47,406 WARN L234 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:25:03,708 WARN L234 SmtUtils]: Spent 14.89s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:25:27,419 WARN L234 SmtUtils]: Spent 21.97s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:25:45,738 WARN L234 SmtUtils]: Spent 16.34s on a formula simplification. DAG size of input: 179 DAG size of output: 176 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:25:56,730 WARN L234 SmtUtils]: Spent 9.02s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:26:06,111 WARN L234 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 178 DAG size of output: 175 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:26:26,312 WARN L234 SmtUtils]: Spent 10.84s on a formula simplification. DAG size of input: 188 DAG size of output: 184 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:26:27,473 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~get2~0.base)) (.cse33 (+ |c_#StackHeapBarrier| 1)) (.cse5 (< c_~n2~0 7)) (.cse6 (< c_~n1~0 6))) (and (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse3 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse2 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse1 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse0 (+ c_~get2~0.offset .cse1)) (+ (select .cse2 (+ .cse1 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse3) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse3) (let ((.cse4 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse2 (+ .cse4 c_~get1~0.offset 4)) (+ (select .cse0 (+ c_~get2~0.offset .cse4 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))) (or (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post24#1| 6) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (not (= |c_ULTIMATE.start_main_~#t1~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse13 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse14 (select .cse16 ~get1~0.base)) (.cse12 (select .cse16 c_~get2~0.base)) (.cse15 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse8 (select .cse12 (+ c_~get2~0.offset .cse15 4))) (.cse9 (select .cse14 (+ .cse15 c_~get1~0.offset 4))) (.cse7 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse10 (select .cse14 (+ .cse13 c_~get1~0.offset))) (.cse11 (select .cse12 (+ c_~get2~0.offset .cse13)))) (or (< c_~n2~0 .cse7) (= .cse8 .cse9) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse8 .cse9) (< .cse10 .cse11) (< c_~n1~0 .cse7) (= .cse10 .cse11) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse22 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse17 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse20 (select .cse22 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse18 (select .cse22 ~get1~0.base))) (or (< c_~n2~0 .cse17) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse17) (let ((.cse19 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse18 (+ .cse19 c_~get1~0.offset 4)) (+ (select .cse20 (+ .cse19 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) 1))) (let ((.cse21 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse20 (+ .cse21 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (+ (select .cse18 (+ .cse21 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse32 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse29 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse28 (select .cse32 ~get1~0.base)) (.cse30 (select .cse32 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse31 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse23 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse27 (select .cse30 (+ .cse31 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse26 (select .cse28 (+ .cse31 c_~get1~0.offset))) (.cse24 (select .cse30 (+ .cse29 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse25 (select .cse28 (+ .cse29 c_~get1~0.offset 4)))) (or (< c_~n2~0 .cse23) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse24 .cse25) (< .cse26 .cse27) (< c_~n1~0 .cse23) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse27 .cse26) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse24 .cse25)))))) (or (< (+ 6 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (<= .cse33 |c_ULTIMATE.start_main_~#t1~0#1.base|) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse39 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse36 (select .cse39 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse34 (select .cse39 ~get1~0.base)) (.cse37 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (let ((.cse35 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse34 (+ .cse35 c_~get1~0.offset 4)) (+ (select .cse36 (+ .cse35 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1))) (< c_~n2~0 .cse37) (let ((.cse38 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse36 (+ .cse38 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ (select .cse34 (+ .cse38 c_~get1~0.offset)) 1))) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse37) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse49 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse46 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse45 (select .cse49 |c_ULTIMATE.start_main_#t~ret16#1.base|)) (.cse47 (select .cse49 ~get1~0.base)) (.cse48 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse41 (select .cse47 (+ .cse48 c_~get1~0.offset 4))) (.cse40 (select .cse45 (+ .cse48 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4))) (.cse42 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse44 (select .cse47 (+ .cse46 c_~get1~0.offset))) (.cse43 (select .cse45 (+ .cse46 |c_ULTIMATE.start_main_#t~ret16#1.offset|)))) (or (< .cse40 .cse41) (= .cse41 .cse40) (< c_~n2~0 .cse42) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse43 .cse44) (< c_~n1~0 .cse42) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (< .cse44 .cse43)))))) (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1) (= (select |c_#valid| c_~get1~0.base) 1) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse59 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse56 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse55 (select .cse59 ~get1~0.base)) (.cse57 (select .cse59 c_~get2~0.base)) (.cse58 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse52 (select .cse57 (+ c_~get2~0.offset .cse58 4))) (.cse51 (select .cse55 (+ .cse58 c_~get1~0.offset 4))) (.cse50 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse54 (select .cse57 (+ c_~get2~0.offset .cse56))) (.cse53 (select .cse55 (+ .cse56 c_~get1~0.offset)))) (or (< c_~n2~0 .cse50) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse51 .cse52) (< .cse52 .cse51) (< c_~n1~0 .cse50) (< .cse53 .cse54) (= .cse54 .cse53) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse65 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse60 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse63 (select .cse65 c_~get2~0.base)) (.cse61 (select .cse65 ~get1~0.base))) (or (< c_~n2~0 .cse60) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse62 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse61 (+ .cse62 c_~get1~0.offset 4)) (+ (select .cse63 (+ c_~get2~0.offset .cse62 4)) 1))) (< c_~n1~0 .cse60) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (let ((.cse64 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse63 (+ c_~get2~0.offset .cse64)) (+ (select .cse61 (+ .cse64 c_~get1~0.offset)) 1))))))) (or (< 6 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse75 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse72 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse73 (select .cse75 ~get1~0.base)) (.cse71 (select .cse75 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse74 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse69 (select .cse71 (+ .cse74 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse68 (select .cse73 (+ .cse74 c_~get1~0.offset))) (.cse70 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse67 (select .cse73 (+ .cse72 c_~get1~0.offset 4))) (.cse66 (select .cse71 (+ .cse72 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))) (or (< .cse66 .cse67) (< .cse68 .cse69) (< c_~n2~0 .cse70) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse69 .cse68) (< c_~n1~0 .cse70) (= .cse67 .cse66) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (= |c_ULTIMATE.start_create_fresh_int_array_~i~2#1| 1) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse81 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse82 (select |c_#memory_int| ~get1~0.base)) (.cse83 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse76 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse80 (select .cse0 (+ c_~get2~0.offset .cse83 4))) (.cse79 (select .cse82 (+ .cse83 c_~get1~0.offset 4))) (.cse77 (select .cse82 (+ .cse81 c_~get1~0.offset))) (.cse78 (select .cse0 (+ c_~get2~0.offset .cse81)))) (or (< c_~n2~0 .cse76) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse77 .cse78) (= .cse79 .cse80) (< c_~n1~0 .cse76) (< .cse80 .cse79) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse77 .cse78))))) (= c_~get1~0.offset 0) (= 0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (<= .cse33 |c_ULTIMATE.start_main_~#t2~0#1.base|) (not (= c_~get1~0.base |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (or .cse5 .cse6 (< 6 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse89 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse87 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse86 (select .cse89 ~get1~0.base)) (.cse84 (select .cse89 |c_ULTIMATE.start_main_#t~ret16#1.base|))) (or (let ((.cse85 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse84 (+ .cse85 |c_ULTIMATE.start_main_#t~ret16#1.offset|)) (+ (select .cse86 (+ .cse85 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse87) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse87) (let ((.cse88 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse86 (+ .cse88 c_~get1~0.offset 4)) (+ (select .cse84 (+ .cse88 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse95 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse93 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse92 (select .cse95 c_~get2~0.base)) (.cse90 (select .cse95 ~get1~0.base))) (or (let ((.cse91 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse90 (+ .cse91 c_~get1~0.offset 4)) (+ (select .cse92 (+ c_~get2~0.offset .cse91 4)) 1))) (< c_~n2~0 .cse93) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse93) (let ((.cse94 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse92 (+ c_~get2~0.offset .cse94)) (+ (select .cse90 (+ .cse94 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))))) is different from false [2023-09-07 16:26:28,679 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~get2~0.base)) (.cse33 (+ |c_#StackHeapBarrier| 1)) (.cse5 (< c_~n2~0 7)) (.cse6 (< c_~n1~0 6))) (and (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse3 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse2 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse1 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse0 (+ c_~get2~0.offset .cse1)) (+ (select .cse2 (+ .cse1 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse3) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse3) (let ((.cse4 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse2 (+ .cse4 c_~get1~0.offset 4)) (+ (select .cse0 (+ c_~get2~0.offset .cse4 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))) (or (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post24#1| 6) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (not (= |c_ULTIMATE.start_main_~#t1~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse13 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse14 (select .cse16 ~get1~0.base)) (.cse12 (select .cse16 c_~get2~0.base)) (.cse15 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse8 (select .cse12 (+ c_~get2~0.offset .cse15 4))) (.cse9 (select .cse14 (+ .cse15 c_~get1~0.offset 4))) (.cse7 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse10 (select .cse14 (+ .cse13 c_~get1~0.offset))) (.cse11 (select .cse12 (+ c_~get2~0.offset .cse13)))) (or (< c_~n2~0 .cse7) (= .cse8 .cse9) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse8 .cse9) (< .cse10 .cse11) (< c_~n1~0 .cse7) (= .cse10 .cse11) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse22 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse17 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse20 (select .cse22 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse18 (select .cse22 ~get1~0.base))) (or (< c_~n2~0 .cse17) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse17) (let ((.cse19 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse18 (+ .cse19 c_~get1~0.offset 4)) (+ (select .cse20 (+ .cse19 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) 1))) (let ((.cse21 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse20 (+ .cse21 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (+ (select .cse18 (+ .cse21 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse32 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse29 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse28 (select .cse32 ~get1~0.base)) (.cse30 (select .cse32 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse31 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse23 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse27 (select .cse30 (+ .cse31 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse26 (select .cse28 (+ .cse31 c_~get1~0.offset))) (.cse24 (select .cse30 (+ .cse29 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse25 (select .cse28 (+ .cse29 c_~get1~0.offset 4)))) (or (< c_~n2~0 .cse23) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse24 .cse25) (< .cse26 .cse27) (< c_~n1~0 .cse23) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse27 .cse26) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse24 .cse25)))))) (or (< (+ 6 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (<= .cse33 |c_ULTIMATE.start_main_~#t1~0#1.base|) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse39 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse36 (select .cse39 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse34 (select .cse39 ~get1~0.base)) (.cse37 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (let ((.cse35 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse34 (+ .cse35 c_~get1~0.offset 4)) (+ (select .cse36 (+ .cse35 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1))) (< c_~n2~0 .cse37) (let ((.cse38 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse36 (+ .cse38 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ (select .cse34 (+ .cse38 c_~get1~0.offset)) 1))) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse37) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse49 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse46 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse45 (select .cse49 |c_ULTIMATE.start_main_#t~ret16#1.base|)) (.cse47 (select .cse49 ~get1~0.base)) (.cse48 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse41 (select .cse47 (+ .cse48 c_~get1~0.offset 4))) (.cse40 (select .cse45 (+ .cse48 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4))) (.cse42 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse44 (select .cse47 (+ .cse46 c_~get1~0.offset))) (.cse43 (select .cse45 (+ .cse46 |c_ULTIMATE.start_main_#t~ret16#1.offset|)))) (or (< .cse40 .cse41) (= .cse41 .cse40) (< c_~n2~0 .cse42) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse43 .cse44) (< c_~n1~0 .cse42) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (< .cse44 .cse43)))))) (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1) (= (select |c_#valid| c_~get1~0.base) 1) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse59 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse56 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse55 (select .cse59 ~get1~0.base)) (.cse57 (select .cse59 c_~get2~0.base)) (.cse58 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse52 (select .cse57 (+ c_~get2~0.offset .cse58 4))) (.cse51 (select .cse55 (+ .cse58 c_~get1~0.offset 4))) (.cse50 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse54 (select .cse57 (+ c_~get2~0.offset .cse56))) (.cse53 (select .cse55 (+ .cse56 c_~get1~0.offset)))) (or (< c_~n2~0 .cse50) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse51 .cse52) (< .cse52 .cse51) (< c_~n1~0 .cse50) (< .cse53 .cse54) (= .cse54 .cse53) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse65 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse60 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse63 (select .cse65 c_~get2~0.base)) (.cse61 (select .cse65 ~get1~0.base))) (or (< c_~n2~0 .cse60) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse62 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse61 (+ .cse62 c_~get1~0.offset 4)) (+ (select .cse63 (+ c_~get2~0.offset .cse62 4)) 1))) (< c_~n1~0 .cse60) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (let ((.cse64 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse63 (+ c_~get2~0.offset .cse64)) (+ (select .cse61 (+ .cse64 c_~get1~0.offset)) 1))))))) (or (< 6 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse75 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse72 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse73 (select .cse75 ~get1~0.base)) (.cse71 (select .cse75 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse74 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse69 (select .cse71 (+ .cse74 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse68 (select .cse73 (+ .cse74 c_~get1~0.offset))) (.cse70 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse67 (select .cse73 (+ .cse72 c_~get1~0.offset 4))) (.cse66 (select .cse71 (+ .cse72 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))) (or (< .cse66 .cse67) (< .cse68 .cse69) (< c_~n2~0 .cse70) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse69 .cse68) (< c_~n1~0 .cse70) (= .cse67 .cse66) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (= 2 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse81 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse82 (select |c_#memory_int| ~get1~0.base)) (.cse83 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse76 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse80 (select .cse0 (+ c_~get2~0.offset .cse83 4))) (.cse79 (select .cse82 (+ .cse83 c_~get1~0.offset 4))) (.cse77 (select .cse82 (+ .cse81 c_~get1~0.offset))) (.cse78 (select .cse0 (+ c_~get2~0.offset .cse81)))) (or (< c_~n2~0 .cse76) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse77 .cse78) (= .cse79 .cse80) (< c_~n1~0 .cse76) (< .cse80 .cse79) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse77 .cse78))))) (= c_~get1~0.offset 0) (= 0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (<= .cse33 |c_ULTIMATE.start_main_~#t2~0#1.base|) (not (= c_~get1~0.base |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (or .cse5 .cse6 (< 6 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse89 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse87 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse86 (select .cse89 ~get1~0.base)) (.cse84 (select .cse89 |c_ULTIMATE.start_main_#t~ret16#1.base|))) (or (let ((.cse85 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse84 (+ .cse85 |c_ULTIMATE.start_main_#t~ret16#1.offset|)) (+ (select .cse86 (+ .cse85 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse87) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse87) (let ((.cse88 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse86 (+ .cse88 c_~get1~0.offset 4)) (+ (select .cse84 (+ .cse88 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse95 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse93 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse92 (select .cse95 c_~get2~0.base)) (.cse90 (select .cse95 ~get1~0.base))) (or (let ((.cse91 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse90 (+ .cse91 c_~get1~0.offset 4)) (+ (select .cse92 (+ c_~get2~0.offset .cse91 4)) 1))) (< c_~n2~0 .cse93) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse93) (let ((.cse94 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse92 (+ c_~get2~0.offset .cse94)) (+ (select .cse90 (+ .cse94 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))))) is different from false [2023-09-07 16:26:29,869 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~get2~0.base)) (.cse33 (+ |c_#StackHeapBarrier| 1)) (.cse5 (< c_~n2~0 7)) (.cse6 (< c_~n1~0 6))) (and (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse3 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse2 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse1 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse0 (+ c_~get2~0.offset .cse1)) (+ (select .cse2 (+ .cse1 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse3) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse3) (let ((.cse4 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse2 (+ .cse4 c_~get1~0.offset 4)) (+ (select .cse0 (+ c_~get2~0.offset .cse4 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))) (or (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post24#1| 6) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (not (= |c_ULTIMATE.start_main_~#t1~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse13 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse14 (select .cse16 ~get1~0.base)) (.cse12 (select .cse16 c_~get2~0.base)) (.cse15 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse8 (select .cse12 (+ c_~get2~0.offset .cse15 4))) (.cse9 (select .cse14 (+ .cse15 c_~get1~0.offset 4))) (.cse7 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse10 (select .cse14 (+ .cse13 c_~get1~0.offset))) (.cse11 (select .cse12 (+ c_~get2~0.offset .cse13)))) (or (< c_~n2~0 .cse7) (= .cse8 .cse9) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse8 .cse9) (< .cse10 .cse11) (< c_~n1~0 .cse7) (= .cse10 .cse11) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse22 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse17 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse20 (select .cse22 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse18 (select .cse22 ~get1~0.base))) (or (< c_~n2~0 .cse17) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse17) (let ((.cse19 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse18 (+ .cse19 c_~get1~0.offset 4)) (+ (select .cse20 (+ .cse19 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) 1))) (let ((.cse21 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse20 (+ .cse21 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (+ (select .cse18 (+ .cse21 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) (= 3 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse32 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse29 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse28 (select .cse32 ~get1~0.base)) (.cse30 (select .cse32 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse31 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse23 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse27 (select .cse30 (+ .cse31 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse26 (select .cse28 (+ .cse31 c_~get1~0.offset))) (.cse24 (select .cse30 (+ .cse29 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse25 (select .cse28 (+ .cse29 c_~get1~0.offset 4)))) (or (< c_~n2~0 .cse23) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse24 .cse25) (< .cse26 .cse27) (< c_~n1~0 .cse23) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse27 .cse26) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse24 .cse25)))))) (or (< (+ 6 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (<= .cse33 |c_ULTIMATE.start_main_~#t1~0#1.base|) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse39 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse36 (select .cse39 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse34 (select .cse39 ~get1~0.base)) (.cse37 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (let ((.cse35 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse34 (+ .cse35 c_~get1~0.offset 4)) (+ (select .cse36 (+ .cse35 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1))) (< c_~n2~0 .cse37) (let ((.cse38 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse36 (+ .cse38 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ (select .cse34 (+ .cse38 c_~get1~0.offset)) 1))) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse37) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse49 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse46 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse45 (select .cse49 |c_ULTIMATE.start_main_#t~ret16#1.base|)) (.cse47 (select .cse49 ~get1~0.base)) (.cse48 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse41 (select .cse47 (+ .cse48 c_~get1~0.offset 4))) (.cse40 (select .cse45 (+ .cse48 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4))) (.cse42 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse44 (select .cse47 (+ .cse46 c_~get1~0.offset))) (.cse43 (select .cse45 (+ .cse46 |c_ULTIMATE.start_main_#t~ret16#1.offset|)))) (or (< .cse40 .cse41) (= .cse41 .cse40) (< c_~n2~0 .cse42) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse43 .cse44) (< c_~n1~0 .cse42) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (< .cse44 .cse43)))))) (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1) (= (select |c_#valid| c_~get1~0.base) 1) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse59 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse56 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse55 (select .cse59 ~get1~0.base)) (.cse57 (select .cse59 c_~get2~0.base)) (.cse58 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse52 (select .cse57 (+ c_~get2~0.offset .cse58 4))) (.cse51 (select .cse55 (+ .cse58 c_~get1~0.offset 4))) (.cse50 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse54 (select .cse57 (+ c_~get2~0.offset .cse56))) (.cse53 (select .cse55 (+ .cse56 c_~get1~0.offset)))) (or (< c_~n2~0 .cse50) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse51 .cse52) (< .cse52 .cse51) (< c_~n1~0 .cse50) (< .cse53 .cse54) (= .cse54 .cse53) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse65 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse60 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse63 (select .cse65 c_~get2~0.base)) (.cse61 (select .cse65 ~get1~0.base))) (or (< c_~n2~0 .cse60) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse62 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse61 (+ .cse62 c_~get1~0.offset 4)) (+ (select .cse63 (+ c_~get2~0.offset .cse62 4)) 1))) (< c_~n1~0 .cse60) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (let ((.cse64 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse63 (+ c_~get2~0.offset .cse64)) (+ (select .cse61 (+ .cse64 c_~get1~0.offset)) 1))))))) (or (< 6 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse75 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse72 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse73 (select .cse75 ~get1~0.base)) (.cse71 (select .cse75 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse74 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse69 (select .cse71 (+ .cse74 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse68 (select .cse73 (+ .cse74 c_~get1~0.offset))) (.cse70 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse67 (select .cse73 (+ .cse72 c_~get1~0.offset 4))) (.cse66 (select .cse71 (+ .cse72 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))) (or (< .cse66 .cse67) (< .cse68 .cse69) (< c_~n2~0 .cse70) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse69 .cse68) (< c_~n1~0 .cse70) (= .cse67 .cse66) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse81 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse82 (select |c_#memory_int| ~get1~0.base)) (.cse83 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse76 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse80 (select .cse0 (+ c_~get2~0.offset .cse83 4))) (.cse79 (select .cse82 (+ .cse83 c_~get1~0.offset 4))) (.cse77 (select .cse82 (+ .cse81 c_~get1~0.offset))) (.cse78 (select .cse0 (+ c_~get2~0.offset .cse81)))) (or (< c_~n2~0 .cse76) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse77 .cse78) (= .cse79 .cse80) (< c_~n1~0 .cse76) (< .cse80 .cse79) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse77 .cse78))))) (= c_~get1~0.offset 0) (= 0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (<= .cse33 |c_ULTIMATE.start_main_~#t2~0#1.base|) (not (= c_~get1~0.base |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (or .cse5 .cse6 (< 6 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse89 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse87 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse86 (select .cse89 ~get1~0.base)) (.cse84 (select .cse89 |c_ULTIMATE.start_main_#t~ret16#1.base|))) (or (let ((.cse85 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse84 (+ .cse85 |c_ULTIMATE.start_main_#t~ret16#1.offset|)) (+ (select .cse86 (+ .cse85 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse87) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse87) (let ((.cse88 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse86 (+ .cse88 c_~get1~0.offset 4)) (+ (select .cse84 (+ .cse88 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse95 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse93 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse92 (select .cse95 c_~get2~0.base)) (.cse90 (select .cse95 ~get1~0.base))) (or (let ((.cse91 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse90 (+ .cse91 c_~get1~0.offset 4)) (+ (select .cse92 (+ c_~get2~0.offset .cse91 4)) 1))) (< c_~n2~0 .cse93) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse93) (let ((.cse94 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse92 (+ c_~get2~0.offset .cse94)) (+ (select .cse90 (+ .cse94 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))))) is different from false [2023-09-07 16:26:38,437 WARN L234 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 183 DAG size of output: 181 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:26:39,606 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~get2~0.base)) (.cse33 (+ |c_#StackHeapBarrier| 1)) (.cse5 (< c_~n2~0 7)) (.cse6 (< c_~n1~0 6))) (and (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse3 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse2 (select |c_#memory_int| ~get1~0.base))) (or (let ((.cse1 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse0 (+ c_~get2~0.offset .cse1)) (+ (select .cse2 (+ .cse1 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse3) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse3) (let ((.cse4 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse2 (+ .cse4 c_~get1~0.offset 4)) (+ (select .cse0 (+ c_~get2~0.offset .cse4 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))) (or (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post24#1| 6) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (not (= |c_ULTIMATE.start_main_~#t1~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse13 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse14 (select .cse16 ~get1~0.base)) (.cse12 (select .cse16 c_~get2~0.base)) (.cse15 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse8 (select .cse12 (+ c_~get2~0.offset .cse15 4))) (.cse9 (select .cse14 (+ .cse15 c_~get1~0.offset 4))) (.cse7 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse10 (select .cse14 (+ .cse13 c_~get1~0.offset))) (.cse11 (select .cse12 (+ c_~get2~0.offset .cse13)))) (or (< c_~n2~0 .cse7) (= .cse8 .cse9) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse8 .cse9) (< .cse10 .cse11) (< c_~n1~0 .cse7) (= .cse10 .cse11) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse22 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse17 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse20 (select .cse22 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse18 (select .cse22 ~get1~0.base))) (or (< c_~n2~0 .cse17) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse17) (let ((.cse19 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse18 (+ .cse19 c_~get1~0.offset 4)) (+ (select .cse20 (+ .cse19 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) 1))) (let ((.cse21 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse20 (+ .cse21 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (+ (select .cse18 (+ .cse21 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse32 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse29 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse28 (select .cse32 ~get1~0.base)) (.cse30 (select .cse32 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse31 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse23 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse27 (select .cse30 (+ .cse31 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse26 (select .cse28 (+ .cse31 c_~get1~0.offset))) (.cse24 (select .cse30 (+ .cse29 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse25 (select .cse28 (+ .cse29 c_~get1~0.offset 4)))) (or (< c_~n2~0 .cse23) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse24 .cse25) (< .cse26 .cse27) (< c_~n1~0 .cse23) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (= .cse27 .cse26) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse24 .cse25)))))) (or (< (+ 6 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (<= .cse33 |c_ULTIMATE.start_main_~#t1~0#1.base|) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse39 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse36 (select .cse39 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse34 (select .cse39 ~get1~0.base)) (.cse37 (+ v_thread1Thread1of1ForFork0_~i~0_131 1))) (or (let ((.cse35 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse34 (+ .cse35 c_~get1~0.offset 4)) (+ (select .cse36 (+ .cse35 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 1))) (< c_~n2~0 .cse37) (let ((.cse38 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse36 (+ .cse38 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ (select .cse34 (+ .cse38 c_~get1~0.offset)) 1))) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse37) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse49 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse46 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse45 (select .cse49 |c_ULTIMATE.start_main_#t~ret16#1.base|)) (.cse47 (select .cse49 ~get1~0.base)) (.cse48 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse41 (select .cse47 (+ .cse48 c_~get1~0.offset 4))) (.cse40 (select .cse45 (+ .cse48 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4))) (.cse42 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse44 (select .cse47 (+ .cse46 c_~get1~0.offset))) (.cse43 (select .cse45 (+ .cse46 |c_ULTIMATE.start_main_#t~ret16#1.offset|)))) (or (< .cse40 .cse41) (= .cse41 .cse40) (< c_~n2~0 .cse42) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse43 .cse44) (< c_~n1~0 .cse42) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (< .cse44 .cse43)))))) (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1) (= (select |c_#valid| c_~get1~0.base) 1) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse59 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse56 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse55 (select .cse59 ~get1~0.base)) (.cse57 (select .cse59 c_~get2~0.base)) (.cse58 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse52 (select .cse57 (+ c_~get2~0.offset .cse58 4))) (.cse51 (select .cse55 (+ .cse58 c_~get1~0.offset 4))) (.cse50 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse54 (select .cse57 (+ c_~get2~0.offset .cse56))) (.cse53 (select .cse55 (+ .cse56 c_~get1~0.offset)))) (or (< c_~n2~0 .cse50) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse51 .cse52) (< .cse52 .cse51) (< c_~n1~0 .cse50) (< .cse53 .cse54) (= .cse54 .cse53) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse65 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse60 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse63 (select .cse65 c_~get2~0.base)) (.cse61 (select .cse65 ~get1~0.base))) (or (< c_~n2~0 .cse60) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (let ((.cse62 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse61 (+ .cse62 c_~get1~0.offset 4)) (+ (select .cse63 (+ c_~get2~0.offset .cse62 4)) 1))) (< c_~n1~0 .cse60) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (let ((.cse64 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse63 (+ c_~get2~0.offset .cse64)) (+ (select .cse61 (+ .cse64 c_~get1~0.offset)) 1))))))) (or (< 6 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5 .cse6) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse75 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse72 (* v_thread2Thread1of1ForFork1_~i~1_137 4)) (.cse73 (select .cse75 ~get1~0.base)) (.cse71 (select .cse75 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse74 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (let ((.cse69 (select .cse71 (+ .cse74 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (.cse68 (select .cse73 (+ .cse74 c_~get1~0.offset))) (.cse70 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse67 (select .cse73 (+ .cse72 c_~get1~0.offset 4))) (.cse66 (select .cse71 (+ .cse72 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))) (or (< .cse66 .cse67) (< .cse68 .cse69) (< c_~n2~0 .cse70) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (= .cse69 .cse68) (< c_~n1~0 .cse70) (= .cse67 .cse66) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5)))))) (forall ((~get1~0.base Int) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse81 (* v_thread1Thread1of1ForFork0_~i~0_131 4)) (.cse82 (select |c_#memory_int| ~get1~0.base)) (.cse83 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (let ((.cse76 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse80 (select .cse0 (+ c_~get2~0.offset .cse83 4))) (.cse79 (select .cse82 (+ .cse83 c_~get1~0.offset 4))) (.cse77 (select .cse82 (+ .cse81 c_~get1~0.offset))) (.cse78 (select .cse0 (+ c_~get2~0.offset .cse81)))) (or (< c_~n2~0 .cse76) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< .cse77 .cse78) (= .cse79 .cse80) (< c_~n1~0 .cse76) (< .cse80 .cse79) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5) (= .cse77 .cse78))))) (= c_~get1~0.offset 0) (= 0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (<= .cse33 |c_ULTIMATE.start_main_~#t2~0#1.base|) (not (= c_~get1~0.base |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (= 5 |c_ULTIMATE.start_create_fresh_int_array_~i~2#1|) (or .cse5 .cse6 (< 6 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_ArrVal_1423 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse89 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse87 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse86 (select .cse89 ~get1~0.base)) (.cse84 (select .cse89 |c_ULTIMATE.start_main_#t~ret16#1.base|))) (or (let ((.cse85 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse84 (+ .cse85 |c_ULTIMATE.start_main_#t~ret16#1.offset|)) (+ (select .cse86 (+ .cse85 c_~get1~0.offset)) 1))) (< c_~n2~0 .cse87) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse87) (let ((.cse88 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse86 (+ .cse88 c_~get1~0.offset 4)) (+ (select .cse84 (+ .cse88 |c_ULTIMATE.start_main_#t~ret16#1.offset| 4)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))) (not (= c_~get1~0.base |c_ULTIMATE.start_main_~#t2~0#1.base|)) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (forall ((~get1~0.base Int) (v_ArrVal_1424 (Array Int Int)) (v_thread1Thread1of1ForFork0_~i~0_131 Int) (v_thread2Thread1of1ForFork1_~i~1_137 Int)) (let ((.cse95 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1424))) (let ((.cse93 (+ v_thread1Thread1of1ForFork0_~i~0_131 1)) (.cse92 (select .cse95 c_~get2~0.base)) (.cse90 (select .cse95 ~get1~0.base))) (or (let ((.cse91 (* v_thread2Thread1of1ForFork1_~i~1_137 4))) (< (select .cse90 (+ .cse91 c_~get1~0.offset 4)) (+ (select .cse92 (+ c_~get2~0.offset .cse91 4)) 1))) (< c_~n2~0 .cse93) (< v_thread2Thread1of1ForFork1_~i~1_137 4) (< c_~n1~0 .cse93) (let ((.cse94 (* v_thread1Thread1of1ForFork0_~i~0_131 4))) (< (select .cse92 (+ c_~get2~0.offset .cse94)) (+ (select .cse90 (+ .cse94 c_~get1~0.offset)) 1))) (< c_~n2~0 (+ 2 v_thread2Thread1of1ForFork1_~i~1_137)) (< v_thread1Thread1of1ForFork0_~i~0_131 5))))))) is different from false [2023-09-07 16:27:07,610 WARN L234 SmtUtils]: Spent 20.13s on a formula simplification. DAG size of input: 219 DAG size of output: 216 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:27:29,767 WARN L234 SmtUtils]: Spent 16.55s on a formula simplification. DAG size of input: 219 DAG size of output: 216 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:27:46,409 WARN L234 SmtUtils]: Spent 12.12s on a formula simplification. DAG size of input: 219 DAG size of output: 216 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 16:28:14,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2023-09-07 16:28:14,205 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-09-07 16:28:14,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-09-07 16:28:14,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-09-07 16:28:14,407 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:196) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:167) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:376) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.partialorder.multireduction.SleepMapReduction.computeSuccessorWithBudget(SleepMapReduction.java:186) at de.uni_freiburg.informatik.ultimate.automata.partialorder.multireduction.SleepMapReduction.internalSuccessors(SleepMapReduction.java:156) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.next(NestedIterator.java:94) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:502) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:236) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.multireduction.OptimisticBudget.checkIsSuccessful(OptimisticBudget.java:162) at de.uni_freiburg.informatik.ultimate.automata.partialorder.multireduction.OptimisticBudget.isSuccessful(OptimisticBudget.java:151) at de.uni_freiburg.informatik.ultimate.automata.partialorder.multireduction.OptimisticBudget.computeBudget(OptimisticBudget.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.multireduction.CachedBudget.computeBudget(CachedBudget.java:69) at de.uni_freiburg.informatik.ultimate.automata.partialorder.multireduction.SleepMapReduction.internalSuccessors(SleepMapReduction.java:156) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at java.base/java.lang.Iterable.spliterator(Iterable.java:101) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:235) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 79 more [2023-09-07 16:28:14,411 INFO L158 Benchmark]: Toolchain (without parser) took 498876.26ms. Allocated memory was 228.6MB in the beginning and 1.0GB in the end (delta: 787.5MB). Free memory was 182.1MB in the beginning and 319.2MB in the end (delta: -137.1MB). Peak memory consumption was 651.7MB. Max. memory is 7.0GB. [2023-09-07 16:28:14,411 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 149.9MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 66.6kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 16:28:14,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.35ms. Allocated memory is still 228.6MB. Free memory was 182.1MB in the beginning and 170.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-07 16:28:14,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.91ms. Allocated memory is still 228.6MB. Free memory was 170.0MB in the beginning and 168.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 16:28:14,411 INFO L158 Benchmark]: Boogie Preprocessor took 23.74ms. Allocated memory is still 228.6MB. Free memory was 168.5MB in the beginning and 166.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 16:28:14,412 INFO L158 Benchmark]: RCFGBuilder took 424.14ms. Allocated memory is still 228.6MB. Free memory was 166.4MB in the beginning and 147.0MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. [2023-09-07 16:28:14,412 INFO L158 Benchmark]: TraceAbstraction took 498184.01ms. Allocated memory was 228.6MB in the beginning and 1.0GB in the end (delta: 787.5MB). Free memory was 146.4MB in the beginning and 319.2MB in the end (delta: -172.7MB). Peak memory consumption was 616.1MB. Max. memory is 7.0GB. [2023-09-07 16:28:14,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 149.9MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 66.6kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 213.35ms. Allocated memory is still 228.6MB. Free memory was 182.1MB in the beginning and 170.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 26.91ms. Allocated memory is still 228.6MB. Free memory was 170.0MB in the beginning and 168.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * Boogie Preprocessor took 23.74ms. Allocated memory is still 228.6MB. Free memory was 168.5MB in the beginning and 166.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 424.14ms. Allocated memory is still 228.6MB. Free memory was 166.4MB in the beginning and 147.0MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. * TraceAbstraction took 498184.01ms. Allocated memory was 228.6MB in the beginning and 1.0GB in the end (delta: 787.5MB). Free memory was 146.4MB in the beginning and 319.2MB in the end (delta: -172.7MB). Peak memory consumption was 616.1MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-09-07 16:28:14,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...