/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/psyco/psyco_security.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 05:49:06,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 05:49:06,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 05:49:06,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 05:49:06,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 05:49:06,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 05:49:06,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 05:49:06,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 05:49:06,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 05:49:06,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 05:49:06,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 05:49:06,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 05:49:06,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 05:49:06,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 05:49:06,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 05:49:06,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 05:49:06,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 05:49:06,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 05:49:06,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 05:49:06,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 05:49:06,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 05:49:06,732 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 05:49:06,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 05:49:06,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 05:49:06,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 05:49:06,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 05:49:06,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 05:49:06,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 05:49:06,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 05:49:06,734 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 05:49:06,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 05:49:06,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 05:49:06,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 05:49:06,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 05:49:06,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 05:49:06,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 05:49:06,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 05:49:06,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 05:49:06,735 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 05:49:06,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 05:49:06,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 05:49:06,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 05:49:06,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 05:49:06,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 05:49:06,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 05:49:06,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 05:49:06,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 05:49:06,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 05:49:06,736 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 05:49:06,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 05:49:06,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 05:49:06,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 05:49:06,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 05:49:06,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 05:49:06,737 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 05:49:06,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 05:49:06,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 05:49:06,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 05:49:06,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 05:49:06,954 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 05:49:06,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_security.c [2022-01-10 05:49:07,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc1d884b/951225ec3814425aa5d394155285885e/FLAG6a8a95754 [2022-01-10 05:49:07,409 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 05:49:07,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_security.c [2022-01-10 05:49:07,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc1d884b/951225ec3814425aa5d394155285885e/FLAG6a8a95754 [2022-01-10 05:49:07,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc1d884b/951225ec3814425aa5d394155285885e [2022-01-10 05:49:07,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 05:49:07,430 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 05:49:07,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 05:49:07,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 05:49:07,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 05:49:07,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6956f99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07, skipping insertion in model container [2022-01-10 05:49:07,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 05:49:07,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 05:49:07,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_security.c[12744,12757] [2022-01-10 05:49:07,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 05:49:07,643 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 05:49:07,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_security.c[12744,12757] [2022-01-10 05:49:07,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 05:49:07,674 INFO L208 MainTranslator]: Completed translation [2022-01-10 05:49:07,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07 WrapperNode [2022-01-10 05:49:07,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 05:49:07,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 05:49:07,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 05:49:07,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 05:49:07,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,701 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 248 [2022-01-10 05:49:07,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 05:49:07,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 05:49:07,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 05:49:07,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 05:49:07,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 05:49:07,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 05:49:07,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 05:49:07,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 05:49:07,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (1/1) ... [2022-01-10 05:49:07,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 05:49:07,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 05:49:07,766 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) [2022-01-10 05:49:07,787 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 [2022-01-10 05:49:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 05:49:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 05:49:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 05:49:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 05:49:07,845 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 05:49:07,846 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 05:49:08,061 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 05:49:08,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 05:49:08,066 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-01-10 05:49:08,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:49:08 BoogieIcfgContainer [2022-01-10 05:49:08,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 05:49:08,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 05:49:08,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 05:49:08,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 05:49:08,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:49:07" (1/3) ... [2022-01-10 05:49:08,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ac7ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:49:08, skipping insertion in model container [2022-01-10 05:49:08,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:07" (2/3) ... [2022-01-10 05:49:08,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ac7ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:49:08, skipping insertion in model container [2022-01-10 05:49:08,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:49:08" (3/3) ... [2022-01-10 05:49:08,077 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_security.c [2022-01-10 05:49:08,080 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 05:49:08,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 05:49:08,109 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 05:49:08,115 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 05:49:08,115 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 05:49:08,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 76 states have (on average 1.9342105263157894) internal successors, (147), 77 states have internal predecessors, (147), 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) [2022-01-10 05:49:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-01-10 05:49:08,129 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:08,129 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:08,129 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:08,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:08,133 INFO L85 PathProgramCache]: Analyzing trace with hash 352571364, now seen corresponding path program 1 times [2022-01-10 05:49:08,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:08,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739905554] [2022-01-10 05:49:08,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:08,141 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:08,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:08,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 05:49:08,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 05:49:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:08,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 05:49:08,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 05:49:08,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:08,214 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:08,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739905554] [2022-01-10 05:49:08,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739905554] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:08,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:08,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 05:49:08,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145402764] [2022-01-10 05:49:08,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:08,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 05:49:08,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:08,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 05:49:08,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 05:49:08,242 INFO L87 Difference]: Start difference. First operand has 78 states, 76 states have (on average 1.9342105263157894) internal successors, (147), 77 states have internal predecessors, (147), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-01-10 05:49:08,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:08,263 INFO L93 Difference]: Finished difference Result 154 states and 292 transitions. [2022-01-10 05:49:08,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 05:49:08,265 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2022-01-10 05:49:08,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:08,272 INFO L225 Difference]: With dead ends: 154 [2022-01-10 05:49:08,272 INFO L226 Difference]: Without dead ends: 74 [2022-01-10 05:49:08,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 05:49:08,277 INFO L933 BasicCegarLoop]: 120 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, 120 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 [2022-01-10 05:49:08,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:08,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-01-10 05:49:08,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-01-10 05:49:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 73 states have internal predecessors, (109), 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) [2022-01-10 05:49:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 109 transitions. [2022-01-10 05:49:08,303 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 109 transitions. Word has length 9 [2022-01-10 05:49:08,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:08,303 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 109 transitions. [2022-01-10 05:49:08,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-01-10 05:49:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2022-01-10 05:49:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-01-10 05:49:08,304 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:08,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:08,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 05:49:08,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 05:49:08,511 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:08,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:08,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1422697708, now seen corresponding path program 1 times [2022-01-10 05:49:08,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:08,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212032034] [2022-01-10 05:49:08,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:08,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:08,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:08,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 05:49:08,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 05:49:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:08,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 05:49:08,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 05:49:08,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:08,611 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:08,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212032034] [2022-01-10 05:49:08,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212032034] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:08,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:08,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 05:49:08,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633004516] [2022-01-10 05:49:08,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:08,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 05:49:08,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:08,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 05:49:08,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:08,618 INFO L87 Difference]: Start difference. First operand 74 states and 109 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-01-10 05:49:08,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:08,663 INFO L93 Difference]: Finished difference Result 149 states and 220 transitions. [2022-01-10 05:49:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 05:49:08,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2022-01-10 05:49:08,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:08,665 INFO L225 Difference]: With dead ends: 149 [2022-01-10 05:49:08,665 INFO L226 Difference]: Without dead ends: 77 [2022-01-10 05:49:08,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:08,667 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 4 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 05:49:08,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 190 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:08,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-01-10 05:49:08,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-01-10 05:49:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 76 states have internal predecessors, (112), 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) [2022-01-10 05:49:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 112 transitions. [2022-01-10 05:49:08,674 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 112 transitions. Word has length 10 [2022-01-10 05:49:08,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:08,674 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 112 transitions. [2022-01-10 05:49:08,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-01-10 05:49:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2022-01-10 05:49:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-10 05:49:08,675 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:08,675 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:08,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 05:49:08,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 05:49:08,881 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:08,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:08,882 INFO L85 PathProgramCache]: Analyzing trace with hash 658032583, now seen corresponding path program 1 times [2022-01-10 05:49:08,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:08,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587417464] [2022-01-10 05:49:08,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:08,883 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:08,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:08,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 05:49:08,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 05:49:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:08,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 05:49:08,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 05:49:08,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:08,944 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:08,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587417464] [2022-01-10 05:49:08,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587417464] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:08,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:08,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 05:49:08,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113003859] [2022-01-10 05:49:08,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:08,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 05:49:08,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:08,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 05:49:08,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:08,945 INFO L87 Difference]: Start difference. First operand 77 states and 112 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-01-10 05:49:08,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:08,979 INFO L93 Difference]: Finished difference Result 157 states and 229 transitions. [2022-01-10 05:49:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 05:49:08,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2022-01-10 05:49:08,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:08,981 INFO L225 Difference]: With dead ends: 157 [2022-01-10 05:49:08,981 INFO L226 Difference]: Without dead ends: 83 [2022-01-10 05:49:08,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:08,982 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 21 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 05:49:08,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 174 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:08,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-01-10 05:49:08,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2022-01-10 05:49:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.45) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 05:49:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2022-01-10 05:49:08,988 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 15 [2022-01-10 05:49:08,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:08,988 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2022-01-10 05:49:08,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-01-10 05:49:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2022-01-10 05:49:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-10 05:49:08,989 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:08,989 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:08,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 05:49:09,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 05:49:09,204 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:09,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:09,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2066489199, now seen corresponding path program 1 times [2022-01-10 05:49:09,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:09,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248770760] [2022-01-10 05:49:09,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:09,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:09,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:09,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 05:49:09,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 05:49:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:09,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 05:49:09,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 05:49:09,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:09,277 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:09,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248770760] [2022-01-10 05:49:09,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248770760] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:09,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:09,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 05:49:09,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478881075] [2022-01-10 05:49:09,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:09,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 05:49:09,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:09,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 05:49:09,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:09,280 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-01-10 05:49:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:09,338 INFO L93 Difference]: Finished difference Result 107 states and 147 transitions. [2022-01-10 05:49:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 05:49:09,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) Word has length 18 [2022-01-10 05:49:09,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:09,340 INFO L225 Difference]: With dead ends: 107 [2022-01-10 05:49:09,340 INFO L226 Difference]: Without dead ends: 99 [2022-01-10 05:49:09,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:09,341 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 16 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 05:49:09,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 182 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:09,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-01-10 05:49:09,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 90. [2022-01-10 05:49:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 89 states have internal predecessors, (127), 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) [2022-01-10 05:49:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2022-01-10 05:49:09,347 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 18 [2022-01-10 05:49:09,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:09,348 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2022-01-10 05:49:09,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-01-10 05:49:09,348 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2022-01-10 05:49:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-10 05:49:09,348 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:09,349 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:09,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 05:49:09,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 05:49:09,557 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:09,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:09,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1261026174, now seen corresponding path program 1 times [2022-01-10 05:49:09,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:09,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156157251] [2022-01-10 05:49:09,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:09,559 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:09,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:09,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 05:49:09,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 05:49:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:09,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 05:49:09,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 05:49:09,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:09,621 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:09,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156157251] [2022-01-10 05:49:09,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156157251] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:09,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:09,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 05:49:09,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074624519] [2022-01-10 05:49:09,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:09,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 05:49:09,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:09,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 05:49:09,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:09,630 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-01-10 05:49:09,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:09,670 INFO L93 Difference]: Finished difference Result 184 states and 261 transitions. [2022-01-10 05:49:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 05:49:09,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) Word has length 22 [2022-01-10 05:49:09,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:09,671 INFO L225 Difference]: With dead ends: 184 [2022-01-10 05:49:09,671 INFO L226 Difference]: Without dead ends: 97 [2022-01-10 05:49:09,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:09,674 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 28 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 05:49:09,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 170 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-01-10 05:49:09,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2022-01-10 05:49:09,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 94 states have internal predecessors, (132), 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) [2022-01-10 05:49:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2022-01-10 05:49:09,682 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 22 [2022-01-10 05:49:09,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:09,683 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2022-01-10 05:49:09,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-01-10 05:49:09,683 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2022-01-10 05:49:09,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 05:49:09,684 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:09,684 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:09,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 05:49:09,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 05:49:09,885 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:09,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:09,885 INFO L85 PathProgramCache]: Analyzing trace with hash -605791225, now seen corresponding path program 1 times [2022-01-10 05:49:09,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:09,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913123788] [2022-01-10 05:49:09,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:09,886 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:09,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:09,886 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 05:49:09,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 05:49:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:09,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 05:49:09,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 05:49:09,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:09,945 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:09,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913123788] [2022-01-10 05:49:09,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913123788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:09,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:09,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 05:49:09,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919827842] [2022-01-10 05:49:09,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:09,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 05:49:09,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:09,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 05:49:09,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:09,946 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-01-10 05:49:09,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:09,976 INFO L93 Difference]: Finished difference Result 164 states and 229 transitions. [2022-01-10 05:49:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 05:49:09,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 23 [2022-01-10 05:49:09,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:09,977 INFO L225 Difference]: With dead ends: 164 [2022-01-10 05:49:09,977 INFO L226 Difference]: Without dead ends: 72 [2022-01-10 05:49:09,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:09,978 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 29 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 05:49:09,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 126 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:09,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-01-10 05:49:09,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2022-01-10 05:49:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 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) [2022-01-10 05:49:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2022-01-10 05:49:09,982 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 23 [2022-01-10 05:49:09,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:09,983 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2022-01-10 05:49:09,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-01-10 05:49:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2022-01-10 05:49:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 05:49:09,983 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:09,983 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:09,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 05:49:10,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 05:49:10,198 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:10,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:10,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1712893632, now seen corresponding path program 1 times [2022-01-10 05:49:10,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:10,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602459960] [2022-01-10 05:49:10,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:10,199 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:10,200 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 05:49:10,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 05:49:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:10,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 05:49:10,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 05:49:10,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:10,263 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:10,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602459960] [2022-01-10 05:49:10,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602459960] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:10,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:10,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 05:49:10,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23424032] [2022-01-10 05:49:10,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:10,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 05:49:10,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:10,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 05:49:10,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:10,265 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-01-10 05:49:10,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:10,285 INFO L93 Difference]: Finished difference Result 120 states and 163 transitions. [2022-01-10 05:49:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 05:49:10,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) Word has length 26 [2022-01-10 05:49:10,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:10,286 INFO L225 Difference]: With dead ends: 120 [2022-01-10 05:49:10,286 INFO L226 Difference]: Without dead ends: 69 [2022-01-10 05:49:10,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:10,287 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 15 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 05:49:10,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 117 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:10,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-01-10 05:49:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2022-01-10 05:49:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 66 states have internal predecessors, (85), 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) [2022-01-10 05:49:10,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-01-10 05:49:10,291 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 26 [2022-01-10 05:49:10,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:10,291 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-01-10 05:49:10,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-01-10 05:49:10,291 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-01-10 05:49:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-10 05:49:10,292 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:10,292 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:10,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 05:49:10,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 05:49:10,496 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:10,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:10,496 INFO L85 PathProgramCache]: Analyzing trace with hash -573380405, now seen corresponding path program 1 times [2022-01-10 05:49:10,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:10,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916159579] [2022-01-10 05:49:10,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:10,497 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:10,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:10,498 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 05:49:10,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 05:49:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:10,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 05:49:10,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 05:49:10,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:10,560 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:10,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916159579] [2022-01-10 05:49:10,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916159579] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:10,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:10,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 05:49:10,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768808114] [2022-01-10 05:49:10,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:10,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 05:49:10,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:10,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 05:49:10,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:10,561 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-01-10 05:49:10,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:10,576 INFO L93 Difference]: Finished difference Result 109 states and 141 transitions. [2022-01-10 05:49:10,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 05:49:10,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 28 [2022-01-10 05:49:10,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:10,576 INFO L225 Difference]: With dead ends: 109 [2022-01-10 05:49:10,576 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 05:49:10,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 05:49:10,577 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 14 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 05:49:10,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 104 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:10,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 05:49:10,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 05:49:10,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-01-10 05:49:10,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 05:49:10,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-01-10 05:49:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:10,579 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 05:49:10,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-01-10 05:49:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 05:49:10,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 05:49:10,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 05:49:10,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 05:49:10,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 05:49:10,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 05:49:10,812 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 265) no Hoare annotation was computed. [2022-01-10 05:49:10,812 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 133) no Hoare annotation was computed. [2022-01-10 05:49:10,812 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 63) no Hoare annotation was computed. [2022-01-10 05:49:10,812 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 381) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 249) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 179) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 117) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 38) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L854 garLoopResultBuilder]: At program point L383(lines 24 387) the Hoare annotation is: (or (and (= (_ bv0 32) |ULTIMATE.start_main_~this_state~0#1|) (= |ULTIMATE.start_main_~q~0#1| (_ bv2 32))) (= |ULTIMATE.start_main_~q~0#1| (_ bv0 32)) (and (= (_ bv4 32) |ULTIMATE.start_main_~q~0#1|) (= (_ bv3 32) |ULTIMATE.start_main_~this_state~0#1|)) (and (= (_ bv2 32) |ULTIMATE.start_main_~this_state~0#1|) (= |ULTIMATE.start_main_~q~0#1| (_ bv3 32)))) [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 365) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 233) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 284) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 163) no Hoare annotation was computed. [2022-01-10 05:49:10,813 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 349) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 279) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 217) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 147) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L318(lines 318 333) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 384) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 263) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 201) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 131) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 379) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 317) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 247) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 115) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 363) no Hoare annotation was computed. [2022-01-10 05:49:10,814 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 301) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 231) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 90) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 347) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 215) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 74) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 331) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 199) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 58) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 315) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 174) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 299) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 158) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 24 387) the Hoare annotation is: (and (= (_ bv0 32) |ULTIMATE.start_main_~this_state~0#1|) (= |ULTIMATE.start_main_~q~0#1| (_ bv0 32))) [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L24-3(lines 24 387) no Hoare annotation was computed. [2022-01-10 05:49:10,815 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 142) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 258) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 126) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 374) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 242) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L108(lines 108 110) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 358) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 226) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L854 garLoopResultBuilder]: At program point L373(lines 15 392) the Hoare annotation is: false [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 342) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 210) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 326) no Hoare annotation was computed. [2022-01-10 05:49:10,816 INFO L858 garLoopResultBuilder]: For program point L192(lines 192 194) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 310) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L292(lines 292 294) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 48) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 45) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L861 garLoopResultBuilder]: At program point L15(lines 15 392) the Hoare annotation is: true [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 43) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 97) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 100) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-01-10 05:49:10,817 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 65) no Hoare annotation was computed. [2022-01-10 05:49:10,818 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 181) no Hoare annotation was computed. [2022-01-10 05:49:10,818 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 165) no Hoare annotation was computed. [2022-01-10 05:49:10,818 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2022-01-10 05:49:10,818 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 281) no Hoare annotation was computed. [2022-01-10 05:49:10,818 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 149) no Hoare annotation was computed. [2022-01-10 05:49:10,818 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 184) no Hoare annotation was computed. [2022-01-10 05:49:10,818 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 79) no Hoare annotation was computed. [2022-01-10 05:49:10,820 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:10,821 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 05:49:10,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:49:10 BoogieIcfgContainer [2022-01-10 05:49:10,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 05:49:10,831 INFO L158 Benchmark]: Toolchain (without parser) took 3401.37ms. Allocated memory was 176.2MB in the beginning and 252.7MB in the end (delta: 76.5MB). Free memory was 119.9MB in the beginning and 98.4MB in the end (delta: 21.5MB). Peak memory consumption was 98.6MB. Max. memory is 8.0GB. [2022-01-10 05:49:10,831 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 05:49:10,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.04ms. Allocated memory was 176.2MB in the beginning and 252.7MB in the end (delta: 76.5MB). Free memory was 119.7MB in the beginning and 223.2MB in the end (delta: -103.5MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-01-10 05:49:10,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.97ms. Allocated memory is still 252.7MB. Free memory was 223.2MB in the beginning and 221.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 05:49:10,832 INFO L158 Benchmark]: Boogie Preprocessor took 17.56ms. Allocated memory is still 252.7MB. Free memory was 221.6MB in the beginning and 220.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 05:49:10,832 INFO L158 Benchmark]: RCFGBuilder took 348.16ms. Allocated memory is still 252.7MB. Free memory was 219.5MB in the beginning and 203.8MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 05:49:10,832 INFO L158 Benchmark]: TraceAbstraction took 2759.30ms. Allocated memory is still 252.7MB. Free memory was 203.3MB in the beginning and 98.4MB in the end (delta: 104.9MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB. [2022-01-10 05:49:10,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 242.04ms. Allocated memory was 176.2MB in the beginning and 252.7MB in the end (delta: 76.5MB). Free memory was 119.7MB in the beginning and 223.2MB in the end (delta: -103.5MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.97ms. Allocated memory is still 252.7MB. Free memory was 223.2MB in the beginning and 221.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.56ms. Allocated memory is still 252.7MB. Free memory was 221.6MB in the beginning and 220.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 348.16ms. Allocated memory is still 252.7MB. Free memory was 219.5MB in the beginning and 203.8MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2759.30ms. Allocated memory is still 252.7MB. Free memory was 203.3MB in the beginning and 98.4MB in the end (delta: 104.9MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 391]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 1183 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 397 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 786 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 17 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 10 NumberOfFragments, 34 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 321 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 34/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((0bv32 == this_state && q == 2bv32) || q == 0bv32) || (4bv32 == q && 3bv32 == this_state)) || (2bv32 == this_state && q == 3bv32) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0bv32 == this_state && q == 0bv32 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-01-10 05:49:10,868 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 0 Received shutdown request...