/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/openssl-simplified/s3_srvr_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:10:46,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:10:46,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:10:46,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 04:10:46,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:10:46,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:10:46,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:10:46,121 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 04:10:46,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:10:46,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:10:46,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:10:46,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:10:46,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:10:46,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:10:46,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:10:46,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:10:46,146 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:10:46,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:10:46,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:10:46,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:10:46,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:10:46,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:10:46,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:10:46,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:10:46,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:10:46,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:10:46,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:10:46,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:10:46,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:10:46,348 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:10:46,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c [2022-01-10 04:10:46,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cba508f7/1450471712ad4570970e4da3d143ad83/FLAGaab41935e [2022-01-10 04:10:46,764 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:10:46,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c [2022-01-10 04:10:46,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cba508f7/1450471712ad4570970e4da3d143ad83/FLAGaab41935e [2022-01-10 04:10:46,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cba508f7/1450471712ad4570970e4da3d143ad83 [2022-01-10 04:10:46,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:10:46,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:10:46,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:10:46,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:10:46,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:10:46,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:10:46" (1/1) ... [2022-01-10 04:10:46,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72244c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:46, skipping insertion in model container [2022-01-10 04:10:46,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:10:46" (1/1) ... [2022-01-10 04:10:46,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:10:46,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:10:47,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c[42877,42890] [2022-01-10 04:10:47,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:10:47,045 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:10:47,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c[42877,42890] [2022-01-10 04:10:47,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:10:47,111 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:10:47,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47 WrapperNode [2022-01-10 04:10:47,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:10:47,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:10:47,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:10:47,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:10:47,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,168 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 500 [2022-01-10 04:10:47,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:10:47,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:10:47,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:10:47,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:10:47,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:10:47,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:10:47,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:10:47,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:10:47,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (1/1) ... [2022-01-10 04:10:47,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:10:47,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:10:47,241 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 04:10:47,243 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 04:10:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:10:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:10:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:10:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:10:47,330 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:10:47,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:10:47,340 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:10:47,691 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-10 04:10:47,691 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-10 04:10:47,691 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:10:47,697 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:10:47,697 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:10:47,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:10:47 BoogieIcfgContainer [2022-01-10 04:10:47,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:10:47,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:10:47,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:10:47,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:10:47,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:10:46" (1/3) ... [2022-01-10 04:10:47,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcbb890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:10:47, skipping insertion in model container [2022-01-10 04:10:47,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:47" (2/3) ... [2022-01-10 04:10:47,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcbb890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:10:47, skipping insertion in model container [2022-01-10 04:10:47,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:10:47" (3/3) ... [2022-01-10 04:10:47,704 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2022-01-10 04:10:47,708 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:10:47,708 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:10:47,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:10:47,744 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 04:10:47,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:10:47,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 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 04:10:47,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 04:10:47,761 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:47,761 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:47,761 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:47,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:47,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2022-01-10 04:10:47,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:47,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301804740] [2022-01-10 04:10:47,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:47,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:47,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:47,776 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 04:10:47,777 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 04:10:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:47,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 04:10:47,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:47,941 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 04:10:47,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:47,942 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:47,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301804740] [2022-01-10 04:10:47,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301804740] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:47,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:47,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:47,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4636761] [2022-01-10 04:10:47,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:47,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:47,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:47,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:47,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:47,966 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 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 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 04:10:48,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:48,129 INFO L93 Difference]: Finished difference Result 302 states and 514 transitions. [2022-01-10 04:10:48,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:48,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2022-01-10 04:10:48,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:48,140 INFO L225 Difference]: With dead ends: 302 [2022-01-10 04:10:48,140 INFO L226 Difference]: Without dead ends: 149 [2022-01-10 04:10:48,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 04:10:48,146 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 31 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:48,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 366 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:48,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-01-10 04:10:48,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 146. [2022-01-10 04:10:48,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.5103448275862068) internal successors, (219), 145 states have internal predecessors, (219), 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 04:10:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 219 transitions. [2022-01-10 04:10:48,184 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 219 transitions. Word has length 44 [2022-01-10 04:10:48,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:48,184 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 219 transitions. [2022-01-10 04:10:48,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 04:10:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2022-01-10 04:10:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 04:10:48,189 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:48,189 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:48,198 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 04:10:48,401 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 04:10:48,401 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:48,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:48,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1928463050, now seen corresponding path program 1 times [2022-01-10 04:10:48,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:48,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847668430] [2022-01-10 04:10:48,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:48,403 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:48,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:48,404 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 04:10:48,406 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 04:10:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:48,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:48,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:10:48,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:48,535 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:48,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847668430] [2022-01-10 04:10:48,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847668430] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:48,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:48,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:48,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689923271] [2022-01-10 04:10:48,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:48,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:48,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:48,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:48,537 INFO L87 Difference]: Start difference. First operand 146 states and 219 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 04:10:48,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:48,632 INFO L93 Difference]: Finished difference Result 310 states and 472 transitions. [2022-01-10 04:10:48,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:48,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2022-01-10 04:10:48,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:48,634 INFO L225 Difference]: With dead ends: 310 [2022-01-10 04:10:48,634 INFO L226 Difference]: Without dead ends: 172 [2022-01-10 04:10:48,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 04:10:48,636 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 16 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:48,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 292 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-01-10 04:10:48,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 167. [2022-01-10 04:10:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 1.4759036144578312) internal successors, (245), 166 states have internal predecessors, (245), 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 04:10:48,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 245 transitions. [2022-01-10 04:10:48,653 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 245 transitions. Word has length 60 [2022-01-10 04:10:48,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:48,653 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 245 transitions. [2022-01-10 04:10:48,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 04:10:48,653 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 245 transitions. [2022-01-10 04:10:48,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 04:10:48,655 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:48,655 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:48,664 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 04:10:48,862 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 04:10:48,863 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:48,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:48,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1665246877, now seen corresponding path program 1 times [2022-01-10 04:10:48,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:48,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264131429] [2022-01-10 04:10:48,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:48,864 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:48,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:48,865 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 04:10:48,867 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 04:10:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:48,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:48,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:49,016 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 04:10:49,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:49,016 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:49,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264131429] [2022-01-10 04:10:49,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264131429] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:49,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:49,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:49,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819020350] [2022-01-10 04:10:49,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:49,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:49,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:49,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:49,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:49,021 INFO L87 Difference]: Start difference. First operand 167 states and 245 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 04:10:49,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:49,140 INFO L93 Difference]: Finished difference Result 372 states and 561 transitions. [2022-01-10 04:10:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:49,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2022-01-10 04:10:49,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:49,142 INFO L225 Difference]: With dead ends: 372 [2022-01-10 04:10:49,142 INFO L226 Difference]: Without dead ends: 213 [2022-01-10 04:10:49,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 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 04:10:49,146 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 15 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:49,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 289 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:49,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-01-10 04:10:49,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 209. [2022-01-10 04:10:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.4038461538461537) internal successors, (292), 208 states have internal predecessors, (292), 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 04:10:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 292 transitions. [2022-01-10 04:10:49,160 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 292 transitions. Word has length 81 [2022-01-10 04:10:49,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:49,161 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 292 transitions. [2022-01-10 04:10:49,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 04:10:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 292 transitions. [2022-01-10 04:10:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 04:10:49,165 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:49,165 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:49,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 04:10:49,373 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 04:10:49,374 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:49,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:49,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1913393371, now seen corresponding path program 1 times [2022-01-10 04:10:49,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:49,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146855559] [2022-01-10 04:10:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:49,375 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:49,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:49,376 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 04:10:49,377 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 04:10:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:49,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:49,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 04:10:49,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:49,541 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:49,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146855559] [2022-01-10 04:10:49,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146855559] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:49,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:49,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:49,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309990701] [2022-01-10 04:10:49,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:49,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:49,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:49,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:49,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:49,548 INFO L87 Difference]: Start difference. First operand 209 states and 292 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 04:10:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:49,632 INFO L93 Difference]: Finished difference Result 437 states and 619 transitions. [2022-01-10 04:10:49,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:49,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2022-01-10 04:10:49,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:49,633 INFO L225 Difference]: With dead ends: 437 [2022-01-10 04:10:49,633 INFO L226 Difference]: Without dead ends: 236 [2022-01-10 04:10:49,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 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 04:10:49,639 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 14 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:49,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 308 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:49,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-01-10 04:10:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2022-01-10 04:10:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.3852813852813852) internal successors, (320), 231 states have internal predecessors, (320), 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 04:10:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 320 transitions. [2022-01-10 04:10:49,648 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 320 transitions. Word has length 81 [2022-01-10 04:10:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:49,660 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 320 transitions. [2022-01-10 04:10:49,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 04:10:49,660 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 320 transitions. [2022-01-10 04:10:49,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-01-10 04:10:49,661 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:49,661 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:49,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 04:10:49,867 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 04:10:49,868 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:49,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:49,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1927243720, now seen corresponding path program 1 times [2022-01-10 04:10:49,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:49,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039705164] [2022-01-10 04:10:49,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:49,869 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:49,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:49,870 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 04:10:49,872 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 04:10:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:49,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:49,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 04:10:50,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:50,023 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:50,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039705164] [2022-01-10 04:10:50,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039705164] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:50,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:50,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:50,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475183850] [2022-01-10 04:10:50,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:50,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:50,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:50,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:50,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:50,024 INFO L87 Difference]: Start difference. First operand 232 states and 320 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 04:10:50,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:50,109 INFO L93 Difference]: Finished difference Result 494 states and 695 transitions. [2022-01-10 04:10:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:50,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 102 [2022-01-10 04:10:50,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:50,111 INFO L225 Difference]: With dead ends: 494 [2022-01-10 04:10:50,111 INFO L226 Difference]: Without dead ends: 270 [2022-01-10 04:10:50,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 04:10:50,112 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 30 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:50,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 307 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-01-10 04:10:50,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 257. [2022-01-10 04:10:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.3671875) internal successors, (350), 256 states have internal predecessors, (350), 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 04:10:50,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 350 transitions. [2022-01-10 04:10:50,117 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 350 transitions. Word has length 102 [2022-01-10 04:10:50,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:50,117 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 350 transitions. [2022-01-10 04:10:50,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 04:10:50,117 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 350 transitions. [2022-01-10 04:10:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 04:10:50,118 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:50,118 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:50,143 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 04:10:50,324 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 04:10:50,324 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:50,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:50,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1383340250, now seen corresponding path program 1 times [2022-01-10 04:10:50,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:50,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342312999] [2022-01-10 04:10:50,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:50,326 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:50,326 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 04:10:50,327 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 04:10:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:50,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:50,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 04:10:50,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:50,520 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:50,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342312999] [2022-01-10 04:10:50,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342312999] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:50,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:50,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:50,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805843975] [2022-01-10 04:10:50,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:50,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:50,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:50,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:50,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:50,522 INFO L87 Difference]: Start difference. First operand 257 states and 350 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 04:10:50,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:50,541 INFO L93 Difference]: Finished difference Result 726 states and 992 transitions. [2022-01-10 04:10:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:50,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 121 [2022-01-10 04:10:50,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:50,544 INFO L225 Difference]: With dead ends: 726 [2022-01-10 04:10:50,544 INFO L226 Difference]: Without dead ends: 477 [2022-01-10 04:10:50,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 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 04:10:50,546 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 133 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:50,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 460 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:50,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2022-01-10 04:10:50,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2022-01-10 04:10:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 476 states have (on average 1.3634453781512605) internal successors, (649), 476 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:50,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 649 transitions. [2022-01-10 04:10:50,553 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 649 transitions. Word has length 121 [2022-01-10 04:10:50,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:50,554 INFO L470 AbstractCegarLoop]: Abstraction has 477 states and 649 transitions. [2022-01-10 04:10:50,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 04:10:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 649 transitions. [2022-01-10 04:10:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 04:10:50,555 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:50,555 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:50,572 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 04:10:50,762 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 04:10:50,764 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:50,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:50,764 INFO L85 PathProgramCache]: Analyzing trace with hash 485946972, now seen corresponding path program 1 times [2022-01-10 04:10:50,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:50,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963697444] [2022-01-10 04:10:50,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:50,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:50,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:50,766 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 04:10:50,767 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 04:10:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:50,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:50,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 04:10:50,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:50,927 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:50,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963697444] [2022-01-10 04:10:50,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963697444] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:50,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:50,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:50,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874624579] [2022-01-10 04:10:50,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:50,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:50,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:50,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:50,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:50,928 INFO L87 Difference]: Start difference. First operand 477 states and 649 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 04:10:50,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:50,946 INFO L93 Difference]: Finished difference Result 1191 states and 1621 transitions. [2022-01-10 04:10:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:50,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 121 [2022-01-10 04:10:50,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:50,948 INFO L225 Difference]: With dead ends: 1191 [2022-01-10 04:10:50,949 INFO L226 Difference]: Without dead ends: 722 [2022-01-10 04:10:50,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 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 04:10:50,950 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 135 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:50,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 497 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:50,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2022-01-10 04:10:50,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2022-01-10 04:10:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 721 states have (on average 1.3578363384188628) internal successors, (979), 721 states have internal predecessors, (979), 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 04:10:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 979 transitions. [2022-01-10 04:10:50,960 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 979 transitions. Word has length 121 [2022-01-10 04:10:50,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:50,960 INFO L470 AbstractCegarLoop]: Abstraction has 722 states and 979 transitions. [2022-01-10 04:10:50,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 04:10:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 979 transitions. [2022-01-10 04:10:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:50,961 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:50,961 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:50,968 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 04:10:51,170 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 04:10:51,170 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:51,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:51,171 INFO L85 PathProgramCache]: Analyzing trace with hash 56372730, now seen corresponding path program 1 times [2022-01-10 04:10:51,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:51,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156306275] [2022-01-10 04:10:51,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:51,171 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:51,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:51,172 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 04:10:51,173 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 04:10:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:51,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:51,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-01-10 04:10:51,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:51,325 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:51,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156306275] [2022-01-10 04:10:51,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156306275] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:51,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:51,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:51,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115293182] [2022-01-10 04:10:51,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:51,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:51,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:51,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:51,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:51,326 INFO L87 Difference]: Start difference. First operand 722 states and 979 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:51,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:51,340 INFO L93 Difference]: Finished difference Result 1460 states and 1976 transitions. [2022-01-10 04:10:51,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:51,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-01-10 04:10:51,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:51,343 INFO L225 Difference]: With dead ends: 1460 [2022-01-10 04:10:51,343 INFO L226 Difference]: Without dead ends: 746 [2022-01-10 04:10:51,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 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 04:10:51,344 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:51,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 390 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:51,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-01-10 04:10:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2022-01-10 04:10:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 745 states have (on average 1.353020134228188) internal successors, (1008), 745 states have internal predecessors, (1008), 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 04:10:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1008 transitions. [2022-01-10 04:10:51,355 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1008 transitions. Word has length 122 [2022-01-10 04:10:51,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:51,355 INFO L470 AbstractCegarLoop]: Abstraction has 746 states and 1008 transitions. [2022-01-10 04:10:51,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:51,356 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1008 transitions. [2022-01-10 04:10:51,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:51,357 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:51,357 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:51,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-01-10 04:10:51,563 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 04:10:51,564 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:51,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:51,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1445666744, now seen corresponding path program 1 times [2022-01-10 04:10:51,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:51,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120397174] [2022-01-10 04:10:51,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:51,565 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:51,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:51,566 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:51,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 04:10:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:51,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:51,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-01-10 04:10:51,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:51,760 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:51,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120397174] [2022-01-10 04:10:51,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120397174] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:51,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:51,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:51,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029204295] [2022-01-10 04:10:51,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:51,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:51,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:51,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:51,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:51,761 INFO L87 Difference]: Start difference. First operand 746 states and 1008 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 04:10:51,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:51,819 INFO L93 Difference]: Finished difference Result 1497 states and 2018 transitions. [2022-01-10 04:10:51,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:51,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 122 [2022-01-10 04:10:51,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:51,822 INFO L225 Difference]: With dead ends: 1497 [2022-01-10 04:10:51,822 INFO L226 Difference]: Without dead ends: 759 [2022-01-10 04:10:51,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 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 04:10:51,824 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 6 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:51,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 370 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:51,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2022-01-10 04:10:51,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 759. [2022-01-10 04:10:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 758 states have (on average 1.3469656992084433) internal successors, (1021), 758 states have internal predecessors, (1021), 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 04:10:51,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1021 transitions. [2022-01-10 04:10:51,836 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1021 transitions. Word has length 122 [2022-01-10 04:10:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:51,836 INFO L470 AbstractCegarLoop]: Abstraction has 759 states and 1021 transitions. [2022-01-10 04:10:51,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 04:10:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1021 transitions. [2022-01-10 04:10:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-10 04:10:51,838 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:51,838 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:10:51,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:52,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:52,044 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:52,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:52,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1504970762, now seen corresponding path program 1 times [2022-01-10 04:10:52,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:52,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892961856] [2022-01-10 04:10:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:52,045 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:52,046 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:52,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 04:10:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:52,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:52,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 04:10:52,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:52,326 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:52,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892961856] [2022-01-10 04:10:52,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892961856] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:52,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:52,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:52,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078506759] [2022-01-10 04:10:52,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:52,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:52,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:52,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:52,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:52,327 INFO L87 Difference]: Start difference. First operand 759 states and 1021 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 04:10:52,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:52,473 INFO L93 Difference]: Finished difference Result 1592 states and 2188 transitions. [2022-01-10 04:10:52,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:52,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 183 [2022-01-10 04:10:52,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:52,476 INFO L225 Difference]: With dead ends: 1592 [2022-01-10 04:10:52,476 INFO L226 Difference]: Without dead ends: 854 [2022-01-10 04:10:52,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 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 04:10:52,477 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 35 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:52,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 304 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:52,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2022-01-10 04:10:52,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 843. [2022-01-10 04:10:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 842 states have (on average 1.324228028503563) internal successors, (1115), 842 states have internal predecessors, (1115), 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 04:10:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1115 transitions. [2022-01-10 04:10:52,489 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1115 transitions. Word has length 183 [2022-01-10 04:10:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:52,489 INFO L470 AbstractCegarLoop]: Abstraction has 843 states and 1115 transitions. [2022-01-10 04:10:52,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 04:10:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1115 transitions. [2022-01-10 04:10:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-01-10 04:10:52,491 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:52,492 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:10:52,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:52,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:52,699 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:52,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:52,699 INFO L85 PathProgramCache]: Analyzing trace with hash 732602138, now seen corresponding path program 1 times [2022-01-10 04:10:52,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:52,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671258935] [2022-01-10 04:10:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:52,700 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:52,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:52,701 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:52,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 04:10:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:52,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:52,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-01-10 04:10:53,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:53,000 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:53,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671258935] [2022-01-10 04:10:53,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671258935] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:53,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:53,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:53,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431050297] [2022-01-10 04:10:53,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:53,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:53,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:53,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:53,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:53,002 INFO L87 Difference]: Start difference. First operand 843 states and 1115 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 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 04:10:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:53,138 INFO L93 Difference]: Finished difference Result 1758 states and 2379 transitions. [2022-01-10 04:10:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:53,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 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) Word has length 225 [2022-01-10 04:10:53,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:53,141 INFO L225 Difference]: With dead ends: 1758 [2022-01-10 04:10:53,141 INFO L226 Difference]: Without dead ends: 936 [2022-01-10 04:10:53,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 223 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 04:10:53,143 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 23 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:53,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 302 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:53,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2022-01-10 04:10:53,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 936. [2022-01-10 04:10:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 935 states have (on average 1.3080213903743316) internal successors, (1223), 935 states have internal predecessors, (1223), 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 04:10:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1223 transitions. [2022-01-10 04:10:53,155 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1223 transitions. Word has length 225 [2022-01-10 04:10:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:53,155 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1223 transitions. [2022-01-10 04:10:53,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 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 04:10:53,156 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1223 transitions. [2022-01-10 04:10:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-01-10 04:10:53,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:53,158 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:53,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:53,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:53,365 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:53,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:53,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1153610059, now seen corresponding path program 1 times [2022-01-10 04:10:53,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:53,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681430229] [2022-01-10 04:10:53,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:53,366 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:53,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:53,367 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:53,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 04:10:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:53,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:10:53,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-01-10 04:10:53,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:10:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-01-10 04:10:54,040 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:54,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681430229] [2022-01-10 04:10:54,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681430229] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:10:54,040 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:10:54,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:10:54,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542680125] [2022-01-10 04:10:54,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:10:54,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 04:10:54,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:54,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 04:10:54,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 04:10:54,042 INFO L87 Difference]: Start difference. First operand 936 states and 1223 transitions. Second operand has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 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 04:10:54,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:54,535 INFO L93 Difference]: Finished difference Result 3421 states and 4641 transitions. [2022-01-10 04:10:54,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-10 04:10:54,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 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 253 [2022-01-10 04:10:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:54,541 INFO L225 Difference]: With dead ends: 3421 [2022-01-10 04:10:54,541 INFO L226 Difference]: Without dead ends: 2506 [2022-01-10 04:10:54,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:10:54,545 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 533 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:54,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [533 Valid, 969 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:10:54,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2022-01-10 04:10:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2081. [2022-01-10 04:10:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 2080 states have (on average 1.3168269230769232) internal successors, (2739), 2080 states have internal predecessors, (2739), 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 04:10:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2739 transitions. [2022-01-10 04:10:54,580 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2739 transitions. Word has length 253 [2022-01-10 04:10:54,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:54,580 INFO L470 AbstractCegarLoop]: Abstraction has 2081 states and 2739 transitions. [2022-01-10 04:10:54,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 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 04:10:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2739 transitions. [2022-01-10 04:10:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-01-10 04:10:54,584 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:54,584 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:54,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:54,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:54,791 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:54,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:54,792 INFO L85 PathProgramCache]: Analyzing trace with hash 887174376, now seen corresponding path program 1 times [2022-01-10 04:10:54,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:54,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643877719] [2022-01-10 04:10:54,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:54,792 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:54,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:54,793 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:54,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 04:10:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:54,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:54,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-01-10 04:10:55,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:55,160 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:55,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643877719] [2022-01-10 04:10:55,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643877719] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:55,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:55,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:55,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165717727] [2022-01-10 04:10:55,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:55,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:55,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:55,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:55,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:55,161 INFO L87 Difference]: Start difference. First operand 2081 states and 2739 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 04:10:55,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:55,214 INFO L93 Difference]: Finished difference Result 5218 states and 6887 transitions. [2022-01-10 04:10:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:55,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 254 [2022-01-10 04:10:55,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:55,222 INFO L225 Difference]: With dead ends: 5218 [2022-01-10 04:10:55,222 INFO L226 Difference]: Without dead ends: 3182 [2022-01-10 04:10:55,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 252 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 04:10:55,225 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 132 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:55,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 524 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3182 states. [2022-01-10 04:10:55,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3182 to 2966. [2022-01-10 04:10:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2966 states, 2965 states have (on average 1.3234401349072513) internal successors, (3924), 2965 states have internal predecessors, (3924), 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 04:10:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 3924 transitions. [2022-01-10 04:10:55,289 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 3924 transitions. Word has length 254 [2022-01-10 04:10:55,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:55,289 INFO L470 AbstractCegarLoop]: Abstraction has 2966 states and 3924 transitions. [2022-01-10 04:10:55,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 04:10:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3924 transitions. [2022-01-10 04:10:55,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-01-10 04:10:55,294 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:55,294 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:55,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:55,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:55,501 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:55,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:55,501 INFO L85 PathProgramCache]: Analyzing trace with hash -961326012, now seen corresponding path program 1 times [2022-01-10 04:10:55,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:55,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392682034] [2022-01-10 04:10:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:55,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:55,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:55,503 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:55,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 04:10:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:55,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:55,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-01-10 04:10:55,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:55,901 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:55,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392682034] [2022-01-10 04:10:55,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392682034] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:55,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:55,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:55,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863667947] [2022-01-10 04:10:55,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:55,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:55,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:55,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:55,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:55,902 INFO L87 Difference]: Start difference. First operand 2966 states and 3924 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 04:10:56,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:56,031 INFO L93 Difference]: Finished difference Result 5105 states and 6902 transitions. [2022-01-10 04:10:56,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:56,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 291 [2022-01-10 04:10:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:56,035 INFO L225 Difference]: With dead ends: 5105 [2022-01-10 04:10:56,035 INFO L226 Difference]: Without dead ends: 1398 [2022-01-10 04:10:56,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 289 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 04:10:56,039 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 30 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:56,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 308 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:56,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2022-01-10 04:10:56,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1351. [2022-01-10 04:10:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1350 states have (on average 1.288148148148148) internal successors, (1739), 1350 states have internal predecessors, (1739), 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 04:10:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1739 transitions. [2022-01-10 04:10:56,058 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1739 transitions. Word has length 291 [2022-01-10 04:10:56,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:56,058 INFO L470 AbstractCegarLoop]: Abstraction has 1351 states and 1739 transitions. [2022-01-10 04:10:56,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 04:10:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1739 transitions. [2022-01-10 04:10:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-01-10 04:10:56,061 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:56,061 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:56,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:56,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:56,268 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:56,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:56,268 INFO L85 PathProgramCache]: Analyzing trace with hash -2063765096, now seen corresponding path program 1 times [2022-01-10 04:10:56,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:56,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729285511] [2022-01-10 04:10:56,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:56,269 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:56,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:56,270 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:56,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 04:10:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:56,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:56,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 496 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-01-10 04:10:56,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:56,656 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:56,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729285511] [2022-01-10 04:10:56,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729285511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:56,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:56,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:56,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69600392] [2022-01-10 04:10:56,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:56,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:56,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:56,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:56,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:56,658 INFO L87 Difference]: Start difference. First operand 1351 states and 1739 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 04:10:56,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:56,750 INFO L93 Difference]: Finished difference Result 2795 states and 3666 transitions. [2022-01-10 04:10:56,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:56,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 301 [2022-01-10 04:10:56,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:56,754 INFO L225 Difference]: With dead ends: 2795 [2022-01-10 04:10:56,754 INFO L226 Difference]: Without dead ends: 1489 [2022-01-10 04:10:56,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 299 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 04:10:56,758 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 19 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:56,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 300 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:56,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2022-01-10 04:10:56,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1459. [2022-01-10 04:10:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1458 states have (on average 1.2805212620027435) internal successors, (1867), 1458 states have internal predecessors, (1867), 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 04:10:56,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1867 transitions. [2022-01-10 04:10:56,802 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1867 transitions. Word has length 301 [2022-01-10 04:10:56,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:56,802 INFO L470 AbstractCegarLoop]: Abstraction has 1459 states and 1867 transitions. [2022-01-10 04:10:56,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 04:10:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1867 transitions. [2022-01-10 04:10:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-01-10 04:10:56,805 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:56,806 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:56,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:57,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:57,013 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:57,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:57,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1365925591, now seen corresponding path program 1 times [2022-01-10 04:10:57,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:57,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218936578] [2022-01-10 04:10:57,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:57,014 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:57,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:57,015 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:57,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 04:10:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:57,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:57,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 631 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2022-01-10 04:10:57,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:57,440 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:57,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218936578] [2022-01-10 04:10:57,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218936578] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:57,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:57,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:57,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423582018] [2022-01-10 04:10:57,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:57,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:57,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:57,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:57,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:57,441 INFO L87 Difference]: Start difference. First operand 1459 states and 1867 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 04:10:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:57,540 INFO L93 Difference]: Finished difference Result 2874 states and 3713 transitions. [2022-01-10 04:10:57,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:57,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 324 [2022-01-10 04:10:57,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:57,544 INFO L225 Difference]: With dead ends: 2874 [2022-01-10 04:10:57,544 INFO L226 Difference]: Without dead ends: 1460 [2022-01-10 04:10:57,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 322 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 04:10:57,546 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:57,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 300 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:57,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2022-01-10 04:10:57,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1300. [2022-01-10 04:10:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1299 states have (on average 1.254041570438799) internal successors, (1629), 1299 states have internal predecessors, (1629), 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 04:10:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1629 transitions. [2022-01-10 04:10:57,566 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1629 transitions. Word has length 324 [2022-01-10 04:10:57,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:57,566 INFO L470 AbstractCegarLoop]: Abstraction has 1300 states and 1629 transitions. [2022-01-10 04:10:57,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 04:10:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1629 transitions. [2022-01-10 04:10:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-01-10 04:10:57,568 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:57,568 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:57,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:57,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:57,775 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:57,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:57,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1314796396, now seen corresponding path program 1 times [2022-01-10 04:10:57,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:57,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272521816] [2022-01-10 04:10:57,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:57,776 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:57,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:57,777 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:57,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-01-10 04:10:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:57,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 04:10:57,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 695 proven. 0 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2022-01-10 04:10:58,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:58,311 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:58,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272521816] [2022-01-10 04:10:58,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272521816] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:58,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:58,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 04:10:58,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358743678] [2022-01-10 04:10:58,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:58,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:10:58,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:58,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:10:58,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:10:58,313 INFO L87 Difference]: Start difference. First operand 1300 states and 1629 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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 04:10:58,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:58,386 INFO L93 Difference]: Finished difference Result 5038 states and 6318 transitions. [2022-01-10 04:10:58,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:10:58,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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 357 [2022-01-10 04:10:58,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:58,396 INFO L225 Difference]: With dead ends: 5038 [2022-01-10 04:10:58,396 INFO L226 Difference]: Without dead ends: 3759 [2022-01-10 04:10:58,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:10:58,399 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 381 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:58,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 1060 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2022-01-10 04:10:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2022-01-10 04:10:58,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 2475. [2022-01-10 04:10:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2474 states have (on average 1.257477768795473) internal successors, (3111), 2474 states have internal predecessors, (3111), 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 04:10:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3111 transitions. [2022-01-10 04:10:58,466 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3111 transitions. Word has length 357 [2022-01-10 04:10:58,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:58,466 INFO L470 AbstractCegarLoop]: Abstraction has 2475 states and 3111 transitions. [2022-01-10 04:10:58,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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 04:10:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3111 transitions. [2022-01-10 04:10:58,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-01-10 04:10:58,471 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:58,471 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:58,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:58,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:58,678 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:58,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1611597029, now seen corresponding path program 1 times [2022-01-10 04:10:58,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:58,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714989216] [2022-01-10 04:10:58,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:58,679 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:58,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:58,680 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:58,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-01-10 04:10:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:58,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:10:58,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:59,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 852 proven. 26 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2022-01-10 04:10:59,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:10:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 852 proven. 26 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2022-01-10 04:10:59,527 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:59,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714989216] [2022-01-10 04:10:59,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714989216] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:10:59,527 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:10:59,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-01-10 04:10:59,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13798519] [2022-01-10 04:10:59,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:10:59,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:10:59,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:59,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:10:59,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:10:59,528 INFO L87 Difference]: Start difference. First operand 2475 states and 3111 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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 04:10:59,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:59,722 INFO L93 Difference]: Finished difference Result 7617 states and 9685 transitions. [2022-01-10 04:10:59,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:10:59,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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 358 [2022-01-10 04:10:59,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:59,735 INFO L225 Difference]: With dead ends: 7617 [2022-01-10 04:10:59,735 INFO L226 Difference]: Without dead ends: 5163 [2022-01-10 04:10:59,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 713 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:10:59,740 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 171 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:59,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 634 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:59,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5163 states. [2022-01-10 04:10:59,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5163 to 3177. [2022-01-10 04:10:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3176 states have (on average 1.2836901763224182) internal successors, (4077), 3176 states have internal predecessors, (4077), 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 04:10:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4077 transitions. [2022-01-10 04:10:59,843 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4077 transitions. Word has length 358 [2022-01-10 04:10:59,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:59,843 INFO L470 AbstractCegarLoop]: Abstraction has 3177 states and 4077 transitions. [2022-01-10 04:10:59,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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 04:10:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4077 transitions. [2022-01-10 04:10:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-01-10 04:10:59,847 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:59,847 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:59,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-01-10 04:11:00,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:00,054 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:00,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:00,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1095544807, now seen corresponding path program 1 times [2022-01-10 04:11:00,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:00,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978931167] [2022-01-10 04:11:00,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:00,056 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:00,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:00,057 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:11:00,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-01-10 04:11:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:00,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:11:00,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 893 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2022-01-10 04:11:00,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:11:00,525 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:00,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978931167] [2022-01-10 04:11:00,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978931167] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:11:00,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:11:00,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:11:00,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263973222] [2022-01-10 04:11:00,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:11:00,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:11:00,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:00,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:11:00,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:00,527 INFO L87 Difference]: Start difference. First operand 3177 states and 4077 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 04:11:00,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:00,664 INFO L93 Difference]: Finished difference Result 6593 states and 8571 transitions. [2022-01-10 04:11:00,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:11:00,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 388 [2022-01-10 04:11:00,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:00,673 INFO L225 Difference]: With dead ends: 6593 [2022-01-10 04:11:00,673 INFO L226 Difference]: Without dead ends: 3437 [2022-01-10 04:11:00,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 386 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 04:11:00,676 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 13 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:11:00,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 306 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:11:00,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2022-01-10 04:11:00,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3297. [2022-01-10 04:11:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3297 states, 3296 states have (on average 1.2824635922330097) internal successors, (4227), 3296 states have internal predecessors, (4227), 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 04:11:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 3297 states and 4227 transitions. [2022-01-10 04:11:00,737 INFO L78 Accepts]: Start accepts. Automaton has 3297 states and 4227 transitions. Word has length 388 [2022-01-10 04:11:00,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:00,737 INFO L470 AbstractCegarLoop]: Abstraction has 3297 states and 4227 transitions. [2022-01-10 04:11:00,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 04:11:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3297 states and 4227 transitions. [2022-01-10 04:11:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-01-10 04:11:00,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:00,742 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:00,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-01-10 04:11:00,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:00,949 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:00,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:00,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1782124825, now seen corresponding path program 1 times [2022-01-10 04:11:00,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:00,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036109091] [2022-01-10 04:11:00,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:00,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:00,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:00,950 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:11:00,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-01-10 04:11:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:01,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:11:01,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2022-01-10 04:11:01,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:11:01,458 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:01,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036109091] [2022-01-10 04:11:01,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036109091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:11:01,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:11:01,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:11:01,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066193393] [2022-01-10 04:11:01,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:11:01,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:11:01,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:01,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:11:01,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:01,460 INFO L87 Difference]: Start difference. First operand 3297 states and 4227 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 04:11:01,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:01,639 INFO L93 Difference]: Finished difference Result 7005 states and 9197 transitions. [2022-01-10 04:11:01,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:11:01,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 389 [2022-01-10 04:11:01,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:01,654 INFO L225 Difference]: With dead ends: 7005 [2022-01-10 04:11:01,654 INFO L226 Difference]: Without dead ends: 3729 [2022-01-10 04:11:01,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 387 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 04:11:01,658 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:11:01,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 300 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:11:01,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2022-01-10 04:11:01,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 3705. [2022-01-10 04:11:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3705 states, 3704 states have (on average 1.267548596112311) internal successors, (4695), 3704 states have internal predecessors, (4695), 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 04:11:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 4695 transitions. [2022-01-10 04:11:01,720 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 4695 transitions. Word has length 389 [2022-01-10 04:11:01,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:01,720 INFO L470 AbstractCegarLoop]: Abstraction has 3705 states and 4695 transitions. [2022-01-10 04:11:01,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 04:11:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 4695 transitions. [2022-01-10 04:11:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-01-10 04:11:01,725 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:01,725 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:01,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-01-10 04:11:01,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:01,932 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:01,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:01,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2102596421, now seen corresponding path program 1 times [2022-01-10 04:11:01,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:01,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036045073] [2022-01-10 04:11:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:01,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:01,956 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:11:01,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-01-10 04:11:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:02,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:11:02,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 1113 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-01-10 04:11:02,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:11:02,448 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:02,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036045073] [2022-01-10 04:11:02,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036045073] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:11:02,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:11:02,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:11:02,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034578478] [2022-01-10 04:11:02,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:11:02,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:11:02,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:02,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:11:02,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:02,449 INFO L87 Difference]: Start difference. First operand 3705 states and 4695 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 04:11:02,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:02,611 INFO L93 Difference]: Finished difference Result 7177 states and 9145 transitions. [2022-01-10 04:11:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:11:02,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 420 [2022-01-10 04:11:02,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:02,617 INFO L225 Difference]: With dead ends: 7177 [2022-01-10 04:11:02,617 INFO L226 Difference]: Without dead ends: 3493 [2022-01-10 04:11:02,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 418 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 04:11:02,620 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:11:02,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 300 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:11:02,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3493 states. [2022-01-10 04:11:02,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3493 to 3185. [2022-01-10 04:11:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 3184 states have (on average 1.2176507537688441) internal successors, (3877), 3184 states have internal predecessors, (3877), 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 04:11:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 3877 transitions. [2022-01-10 04:11:02,675 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 3877 transitions. Word has length 420 [2022-01-10 04:11:02,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:02,675 INFO L470 AbstractCegarLoop]: Abstraction has 3185 states and 3877 transitions. [2022-01-10 04:11:02,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 04:11:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3877 transitions. [2022-01-10 04:11:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2022-01-10 04:11:02,680 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:02,680 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:02,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-01-10 04:11:02,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:02,887 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:02,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:02,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1253312066, now seen corresponding path program 1 times [2022-01-10 04:11:02,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:02,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614391674] [2022-01-10 04:11:02,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:02,888 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:02,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:02,889 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:11:02,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-01-10 04:11:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:02,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:11:02,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 1174 proven. 17 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2022-01-10 04:11:03,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:11:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 1174 proven. 17 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2022-01-10 04:11:03,917 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:03,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1614391674] [2022-01-10 04:11:03,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1614391674] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:11:03,917 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:11:03,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:11:03,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693199274] [2022-01-10 04:11:03,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:11:03,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 04:11:03,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:03,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 04:11:03,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 04:11:03,919 INFO L87 Difference]: Start difference. First operand 3185 states and 3877 transitions. Second operand has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 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 04:11:04,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:04,215 INFO L93 Difference]: Finished difference Result 4513 states and 5513 transitions. [2022-01-10 04:11:04,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 04:11:04,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 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 490 [2022-01-10 04:11:04,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:04,218 INFO L225 Difference]: With dead ends: 4513 [2022-01-10 04:11:04,218 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:11:04,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 984 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:11:04,221 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 272 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:11:04,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 484 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:11:04,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:11:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:11:04,222 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 04:11:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:11:04,222 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 490 [2022-01-10 04:11:04,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:04,222 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:11:04,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 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 04:11:04,222 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:11:04,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:11:04,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:11:04,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2022-01-10 04:11:04,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:04,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:11:07,248 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2022-01-10 04:11:07,248 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2022-01-10 04:11:07,248 INFO L854 garLoopResultBuilder]: At program point L366(lines 342 384) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,248 INFO L854 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0 (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8497 32)))) (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) .cse0 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) [2022-01-10 04:11:07,248 INFO L854 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,248 INFO L854 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8496 32))) .cse0) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) .cse0))) [2022-01-10 04:11:07,248 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-01-10 04:11:07,248 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2022-01-10 04:11:07,248 INFO L854 garLoopResultBuilder]: At program point L400(lines 391 423) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L861 garLoopResultBuilder]: At program point L632(lines 623 634) the Hoare annotation is: true [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 421) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2022-01-10 04:11:07,249 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8497 32)))) (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) .cse0 .cse1))) [2022-01-10 04:11:07,250 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse7 (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (let ((.cse5 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8497 32)))) (.cse2 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))) (.cse13 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse11 (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse8 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8496 32)))) (.cse12 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))) (.cse9 (not .cse7)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse10 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse4 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse3 .cse4 .cse5) (and .cse6 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse2) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse7) (and .cse3 .cse8 .cse9 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8466 32)) .cse5) (and .cse6 .cse10 .cse5) (and .cse3 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse3 .cse11) (and .cse3 .cse8 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse12 .cse9) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8464 32)) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32))) (and .cse3 .cse8 .cse7 .cse5) (and .cse3 .cse13 .cse5) (and .cse3 .cse8 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse12 .cse9) (and .cse3 .cse12 .cse2) (and .cse0 .cse1 .cse13) (and .cse8 .cse11) (and .cse3 .cse8 .cse12 .cse9 (= (_ bv8576 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse3 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse6 .cse10) (and .cse0 .cse3 .cse4) (and .cse3 (= (_ bv8528 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= ((_ sign_extend 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1|))))) [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L441-1(lines 441 449) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L854 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse0 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)) .cse0) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse0) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)) .cse0))) [2022-01-10 04:11:07,250 INFO L854 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8496 32))) .cse0 .cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8497 32)))) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32))))) [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2022-01-10 04:11:07,250 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 447) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 383) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L854 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse1 (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8497 32)))) (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) .cse0 .cse1))) [2022-01-10 04:11:07,251 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: false [2022-01-10 04:11:07,251 INFO L861 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L854 garLoopResultBuilder]: At program point L412(lines 403 421) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 382) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L858 garLoopResultBuilder]: For program point L348-1(lines 348 382) no Hoare annotation was computed. [2022-01-10 04:11:07,251 INFO L861 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: true [2022-01-10 04:11:07,251 INFO L854 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,252 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse0) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8496 32))) .cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8497 32)))))) [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 417) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 379) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: true [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 326) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 319 326) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2022-01-10 04:11:07,252 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 377) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L854 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: false [2022-01-10 04:11:07,253 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,253 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L861 garLoopResultBuilder]: At program point L620(lines 22 622) the Hoare annotation is: true [2022-01-10 04:11:07,253 INFO L854 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse7 (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (let ((.cse5 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8497 32)))) (.cse2 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))) (.cse13 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse11 (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse8 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8496 32)))) (.cse12 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))) (.cse9 (not .cse7)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse10 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse4 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse3 .cse4 .cse5) (and .cse6 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse2) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse7) (and .cse3 .cse8 .cse9 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8466 32)) .cse5) (and .cse6 .cse10 .cse5) (and .cse3 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse3 .cse11) (and .cse3 .cse8 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse12 .cse9) (and .cse3 .cse8 .cse7 .cse5) (and .cse3 .cse13 .cse5) (and .cse3 .cse8 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse12 .cse9) (and .cse3 .cse12 .cse2) (and .cse0 .cse1 .cse13) (and .cse8 .cse11) (and .cse3 .cse8 .cse12 .cse9 (= (_ bv8576 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse3 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse6 .cse10) (and .cse0 .cse3 .cse4) (and .cse3 (= (_ bv8528 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= ((_ sign_extend 32) |ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0#1|) |ULTIMATE.start_ssl3_accept_~__cil_tmp56~0#1|))))) [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 457) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 492) no Hoare annotation was computed. [2022-01-10 04:11:07,253 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 423) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 467) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L854 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2022-01-10 04:11:07,254 INFO L854 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8497 32)))) [2022-01-10 04:11:07,254 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= (_ bv8497 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2022-01-10 04:11:07,254 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 464) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: false [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 373) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-01-10 04:11:07,255 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2022-01-10 04:11:07,258 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:07,258 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:11:07,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:11:07 BoogieIcfgContainer [2022-01-10 04:11:07,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:11:07,274 INFO L158 Benchmark]: Toolchain (without parser) took 20493.40ms. Allocated memory was 180.4MB in the beginning and 383.8MB in the end (delta: 203.4MB). Free memory was 129.2MB in the beginning and 189.6MB in the end (delta: -60.4MB). Peak memory consumption was 213.0MB. Max. memory is 8.0GB. [2022-01-10 04:11:07,275 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 146.1MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:11:07,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.34ms. Allocated memory was 180.4MB in the beginning and 266.3MB in the end (delta: 86.0MB). Free memory was 129.0MB in the beginning and 238.8MB in the end (delta: -109.8MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-01-10 04:11:07,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.61ms. Allocated memory is still 266.3MB. Free memory was 238.8MB in the beginning and 236.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 04:11:07,291 INFO L158 Benchmark]: Boogie Preprocessor took 24.91ms. Allocated memory is still 266.3MB. Free memory was 236.1MB in the beginning and 233.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 04:11:07,292 INFO L158 Benchmark]: RCFGBuilder took 504.00ms. Allocated memory is still 266.3MB. Free memory was 233.5MB in the beginning and 206.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-10 04:11:07,292 INFO L158 Benchmark]: TraceAbstraction took 19574.73ms. Allocated memory was 266.3MB in the beginning and 383.8MB in the end (delta: 117.4MB). Free memory was 205.7MB in the beginning and 189.6MB in the end (delta: 16.1MB). Peak memory consumption was 203.9MB. Max. memory is 8.0GB. [2022-01-10 04:11:07,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 146.1MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 330.34ms. Allocated memory was 180.4MB in the beginning and 266.3MB in the end (delta: 86.0MB). Free memory was 129.0MB in the beginning and 238.8MB in the end (delta: -109.8MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.61ms. Allocated memory is still 266.3MB. Free memory was 238.8MB in the beginning and 236.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.91ms. Allocated memory is still 266.3MB. Free memory was 236.1MB in the beginning and 233.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 504.00ms. Allocated memory is still 266.3MB. Free memory was 233.5MB in the beginning and 206.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 19574.73ms. Allocated memory was 266.3MB in the beginning and 383.8MB in the end (delta: 117.4MB). Free memory was 205.7MB in the beginning and 189.6MB in the end (delta: 16.1MB). Peak memory consumption was 203.9MB. 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: 619]: 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, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 22, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2032 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2032 mSDsluCounter, 9370 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 9 IncrementalHoareTripleChecker+Unchecked, 4205 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2898 IncrementalHoareTripleChecker+Invalid, 3361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 5165 mSDtfsCounter, 2898 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6182 GetRequests, 6141 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3705occurred in iteration=20, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 4660 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 210 NumberOfFragments, 816 HoareAnnotationTreeSize, 28 FomulaSimplifications, 1935 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 28 FomulaSimplificationsInter, 10579 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 5087 NumberOfCodeBlocks, 5087 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 6163 ConstructedInterpolants, 1 QuantifiedInterpolants, 8207 SizeOfPredicates, 9 NumberOfNonLiveVariables, 6022 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 19779/19897 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (!(s__s3__tmp__next_state___0 == 8496bv32) && !(8496bv32 == s__state)) || (blastFlag == 2bv32 && !(8496bv32 == s__state)) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8497bv32)) || ((!(s__hit == 0bv32) && blastFlag == 2bv32) && !(8496bv32 == s__state)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && 8608bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && !(8496bv32 == s__state)) && !(8497bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8497bv32)) || ((!(8496bv32 == s__state) && !(8497bv32 == s__state)) && blastFlag == 0bv32) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state) || (blastFlag == 2bv32 && 8560bv32 == s__state)) || ((blastFlag == 2bv32 && 8656bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32))) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && !(8496bv32 == s__state)) && s__state == 8466bv32) && !(s__s3__tmp__next_state___0 == 8497bv32))) || ((blastFlag == 3bv32 && 8672bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32))) || (blastFlag == 2bv32 && 8544bv32 == s__state)) || (blastFlag == 2bv32 && 3bv32 == s__state)) || ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && 8608bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32) && !(8496bv32 == s__state))) || (s__state == 8464bv32 && blastFlag == 0bv32)) || (((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && 8496bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32))) || ((blastFlag == 2bv32 && 8640bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32))) || ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && 8592bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32) && !(8496bv32 == s__state))) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state)) || ((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8640bv32 == s__state)) || (!(s__s3__tmp__next_state___0 == 8496bv32) && 3bv32 == s__state)) || ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__s3__tmp__next_state___0 == 8576bv32) && !(8496bv32 == s__state)) && 8576bv32 == s__state)) || (blastFlag == 2bv32 && 8512bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 3bv32) && 8672bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 2bv32) && 8656bv32 == s__state)) || ((blastFlag == 2bv32 && 8528bv32 == s__state) && ~sign_extendFrom8To32(s__s3__tmp__new_cipher__algorithms) == __cil_tmp56) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((blastFlag == 3bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8497bv32)) || ((!(s__hit == 0bv32) && blastFlag == 3bv32) && !(8496bv32 == s__state)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (blastFlag == 1bv32 && !(8497bv32 == s__state)) || (((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && !(8497bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8497bv32)) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8497bv32)) || ((!(s__hit == 0bv32) && !(8496bv32 == s__state)) && s__s3__tmp__next_state___0 == 8640bv32) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && !(8496bv32 == s__state)) && !(8497bv32 == s__state) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state) || (blastFlag == 2bv32 && 8560bv32 == s__state)) || ((blastFlag == 2bv32 && 8656bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32))) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && !(8496bv32 == s__state)) && s__state == 8466bv32) && !(s__s3__tmp__next_state___0 == 8497bv32))) || ((blastFlag == 3bv32 && 8672bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32))) || (blastFlag == 2bv32 && 8544bv32 == s__state)) || (blastFlag == 2bv32 && 3bv32 == s__state)) || ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && 8608bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32) && !(8496bv32 == s__state))) || (((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && 8496bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32))) || ((blastFlag == 2bv32 && 8640bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8497bv32))) || ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && 8592bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32) && !(8496bv32 == s__state))) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state)) || ((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8640bv32 == s__state)) || (!(s__s3__tmp__next_state___0 == 8496bv32) && 3bv32 == s__state)) || ((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__s3__tmp__next_state___0 == 8576bv32) && !(8496bv32 == s__state)) && 8576bv32 == s__state)) || (blastFlag == 2bv32 && 8512bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 3bv32) && 8672bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 2bv32) && 8656bv32 == s__state)) || ((blastFlag == 2bv32 && 8528bv32 == s__state) && ~sign_extendFrom8To32(s__s3__tmp__new_cipher__algorithms) == __cil_tmp56) RESULT: Ultimate proved your program to be correct! [2022-01-10 04:11:07,327 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...