/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:41:02,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:41:02,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:41:02,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-31 00:41:02,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:41:02,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:41:02,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:41:02,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:41:02,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:41:02,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:41:02,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:41:02,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:41:02,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:41:02,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:41:02,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:41:02,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:41:02,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 00:41:02,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:41:02,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:41:02,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:41:02,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:41:02,624 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:41:02,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:41:02,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:41:02,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:41:02,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:41:02,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:41:02,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:41:02,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:41:02,627 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:41:02,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:41:02,628 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:41:02,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:41:02,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:41:02,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:41:02,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:41:02,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:41:02,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:41:02,629 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:41:02,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:41:02,630 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:41:02,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:41:02,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:41:02,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:41:02,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:41:02,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:41:02,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:41:02,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:41:02,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:41:02,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:41:02,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:41:02,631 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:41:02,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:41:02,632 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:41:02,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:41:02,632 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:41:02,632 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:41:02,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:41:02,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:41:02,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:41:02,874 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:41:02,875 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:41:02,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c [2023-03-31 00:41:03,969 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:41:04,156 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:41:04,157 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c [2023-03-31 00:41:04,162 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d30f7c7/d7621527cd2341589396792cbed8065c/FLAG962f96790 [2023-03-31 00:41:04,173 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d30f7c7/d7621527cd2341589396792cbed8065c [2023-03-31 00:41:04,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:41:04,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:41:04,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:41:04,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:41:04,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:41:04,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363a4072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04, skipping insertion in model container [2023-03-31 00:41:04,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:41:04,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:41:04,328 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2023-03-31 00:41:04,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:41:04,376 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:41:04,391 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2023-03-31 00:41:04,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:41:04,423 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:41:04,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04 WrapperNode [2023-03-31 00:41:04,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:41:04,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:41:04,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:41:04,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:41:04,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,463 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:41:04,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:41:04,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:41:04,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:41:04,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (1/1) ... [2023-03-31 00:41:04,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:41:04,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:41:04,498 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) [2023-03-31 00:41:04,500 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 [2023-03-31 00:41:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:41:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:41:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:41:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 00:41:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 00:41:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:41:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:41:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:41:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:41:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:41:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:41:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:41:04,585 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:41:04,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:41:04,737 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:41:04,742 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:41:04,742 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-03-31 00:41:04,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:41:04 BoogieIcfgContainer [2023-03-31 00:41:04,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:41:04,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:41:04,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:41:04,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:41:04,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:41:04" (1/3) ... [2023-03-31 00:41:04,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa3739f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:41:04, skipping insertion in model container [2023-03-31 00:41:04,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:41:04" (2/3) ... [2023-03-31 00:41:04,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa3739f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:41:04, skipping insertion in model container [2023-03-31 00:41:04,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:41:04" (3/3) ... [2023-03-31 00:41:04,750 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_valuebound100.c [2023-03-31 00:41:04,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:41:04,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:41:04,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:41:04,809 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=PETRI_NET, 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;@4c612071, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:41:04,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:41:04,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-03-31 00:41:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 00:41:04,820 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:41:04,821 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:41:04,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:41:04,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:41:04,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1520729432, now seen corresponding path program 1 times [2023-03-31 00:41:04,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:41:04,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425402412] [2023-03-31 00:41:04,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:41:04,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:41:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:41:04,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:41:04,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425402412] [2023-03-31 00:41:04,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-03-31 00:41:04,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034370808] [2023-03-31 00:41:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:41:04,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:41:04,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:41:04,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:41:04,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:41:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:41:05,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 1 conjunts are in the unsatisfiable core [2023-03-31 00:41:05,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:41:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-03-31 00:41:05,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:41:05,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034370808] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:41:05,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:41:05,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 00:41:05,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075656370] [2023-03-31 00:41:05,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:41:05,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 00:41:05,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:41:05,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 00:41:05,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 00:41:05,157 INFO L87 Difference]: Start difference. First operand has 40 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 00:41:05,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:41:05,176 INFO L93 Difference]: Finished difference Result 73 states and 121 transitions. [2023-03-31 00:41:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 00:41:05,178 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-03-31 00:41:05,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:41:05,184 INFO L225 Difference]: With dead ends: 73 [2023-03-31 00:41:05,185 INFO L226 Difference]: Without dead ends: 35 [2023-03-31 00:41:05,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 00:41:05,190 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:41:05,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:41:05,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-03-31 00:41:05,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-03-31 00:41:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-03-31 00:41:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2023-03-31 00:41:05,230 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2023-03-31 00:41:05,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:41:05,231 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2023-03-31 00:41:05,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 00:41:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-03-31 00:41:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 00:41:05,233 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:41:05,233 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:41:05,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:41:05,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-03-31 00:41:05,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:41:05,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:41:05,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1122529479, now seen corresponding path program 1 times [2023-03-31 00:41:05,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:41:05,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934485996] [2023-03-31 00:41:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:41:05,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:41:05,482 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-03-31 00:41:05,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036943656] [2023-03-31 00:41:05,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:41:05,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:41:05,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:41:05,491 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) [2023-03-31 00:41:05,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:41:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:41:05,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2023-03-31 00:41:05,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:41:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-03-31 00:41:05,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:41:05,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:41:05,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934485996] [2023-03-31 00:41:05,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-03-31 00:41:05,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036943656] [2023-03-31 00:41:05,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036943656] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:41:05,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:41:05,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 00:41:05,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853329575] [2023-03-31 00:41:05,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:41:05,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 00:41:05,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:41:05,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 00:41:05,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 00:41:05,808 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-03-31 00:41:06,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:41:06,056 INFO L93 Difference]: Finished difference Result 54 states and 71 transitions. [2023-03-31 00:41:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:41:06,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2023-03-31 00:41:06,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:41:06,059 INFO L225 Difference]: With dead ends: 54 [2023-03-31 00:41:06,059 INFO L226 Difference]: Without dead ends: 52 [2023-03-31 00:41:06,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:41:06,063 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 31 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 00:41:06,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 111 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 00:41:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-03-31 00:41:06,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2023-03-31 00:41:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-03-31 00:41:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2023-03-31 00:41:06,077 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 64 transitions. Word has length 43 [2023-03-31 00:41:06,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:41:06,078 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 64 transitions. [2023-03-31 00:41:06,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-03-31 00:41:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-03-31 00:41:06,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-03-31 00:41:06,079 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:41:06,079 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:41:06,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:41:06,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-03-31 00:41:06,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:41:06,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:41:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash 314996066, now seen corresponding path program 1 times [2023-03-31 00:41:06,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:41:06,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233693376] [2023-03-31 00:41:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:41:06,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:41:06,311 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-03-31 00:41:06,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168514136] [2023-03-31 00:41:06,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:41:06,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:41:06,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:41:06,318 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) [2023-03-31 00:41:06,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process