/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_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:10:31,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:10:31,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:10:31,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 04:10:31,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 04:10:31,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 04:10:31,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 04:10:31,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 04:10:31,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 04:10:31,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 04:10:31,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 04:10:31,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 04:10:31,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:10:31,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:10:31,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:10:31,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:10:31,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:10:31,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:10:31,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:10:31,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:10:31,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:10:31,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:10:31,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:10:31,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:10:31,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 04:10:31,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:10:31,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:10:31,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:10:31,910 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 04:10:31,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:10:31,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:10:31,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:10:31,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:10:31,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:10:31,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:10:31,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:10:31,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:10:31,925 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:10:31,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:10:31,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:10:31,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:10:31,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:10:31,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:10:31,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:10:31,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:10:31,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:10:31,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:10:31,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:10:31,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:10:31,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:10:31,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:10:31,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:10:31,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:10:31,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:10:31,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:10:31,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:10:31,927 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:10:31,927 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:10:31,927 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:10:31,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:10:31,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:10:31,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:10:31,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:10:32,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:10:32,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:10:32,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:10:32,118 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:10:32,119 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:10:32,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_1.cil-2.c [2022-01-10 04:10:32,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519d78c8a/098c9261285f468fa79214ccc484dda7/FLAG393e33652 [2022-01-10 04:10:32,527 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:10:32,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_1.cil-2.c [2022-01-10 04:10:32,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519d78c8a/098c9261285f468fa79214ccc484dda7/FLAG393e33652 [2022-01-10 04:10:32,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519d78c8a/098c9261285f468fa79214ccc484dda7 [2022-01-10 04:10:32,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:10:32,546 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:10:32,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:10:32,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:10:32,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:10:32,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d80b385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32, skipping insertion in model container [2022-01-10 04:10:32,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:10:32,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:10:32,746 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_1.cil-2.c[43387,43400] [2022-01-10 04:10:32,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:10:32,754 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:10:32,784 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_1.cil-2.c[43387,43400] [2022-01-10 04:10:32,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:10:32,793 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:10:32,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32 WrapperNode [2022-01-10 04:10:32,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:10:32,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:10:32,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:10:32,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:10:32,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,870 INFO L137 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 503 [2022-01-10 04:10:32,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:10:32,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:10:32,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:10:32,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:10:32,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:10:32,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:10:32,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:10:32,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:10:32,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (1/1) ... [2022-01-10 04:10:32,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:10:32,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:10:32,922 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 04:10:32,924 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 04:10:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:10:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:10:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:10:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:10:33,014 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:10:33,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:10:33,023 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:10:33,289 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-10 04:10:33,289 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-10 04:10:33,289 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:10:33,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:10:33,296 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:10:33,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:10:33 BoogieIcfgContainer [2022-01-10 04:10:33,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:10:33,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:10:33,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:10:33,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:10:33,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:10:32" (1/3) ... [2022-01-10 04:10:33,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599514b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:10:33, skipping insertion in model container [2022-01-10 04:10:33,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:32" (2/3) ... [2022-01-10 04:10:33,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599514b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:10:33, skipping insertion in model container [2022-01-10 04:10:33,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:10:33" (3/3) ... [2022-01-10 04:10:33,302 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil-2.c [2022-01-10 04:10:33,305 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:10:33,305 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:10:33,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:10:33,340 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 04:10:33,340 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:10:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 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 04:10:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 04:10:33,357 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:33,358 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, 1] [2022-01-10 04:10:33,359 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:33,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:33,366 INFO L85 PathProgramCache]: Analyzing trace with hash -947483280, now seen corresponding path program 1 times [2022-01-10 04:10:33,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:33,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911115911] [2022-01-10 04:10:33,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:33,375 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:33,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:33,379 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 04:10:33,382 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 04:10:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:33,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 04:10:33,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:33,598 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 04:10:33,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:33,599 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:33,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911115911] [2022-01-10 04:10:33,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911115911] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:33,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:33,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:33,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082176459] [2022-01-10 04:10:33,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:33,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:33,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:33,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:33,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:33,622 INFO L87 Difference]: Start difference. First operand has 144 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 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 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 04:10:33,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:33,733 INFO L93 Difference]: Finished difference Result 307 states and 519 transitions. [2022-01-10 04:10:33,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:33,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2022-01-10 04:10:33,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:33,741 INFO L225 Difference]: With dead ends: 307 [2022-01-10 04:10:33,741 INFO L226 Difference]: Without dead ends: 151 [2022-01-10 04:10:33,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 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 04:10:33,746 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 31 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 370 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 04:10:33,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 370 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:33,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-01-10 04:10:33,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2022-01-10 04:10:33,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 147 states have (on average 1.510204081632653) internal successors, (222), 147 states have internal predecessors, (222), 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 04:10:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 222 transitions. [2022-01-10 04:10:33,782 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 222 transitions. Word has length 45 [2022-01-10 04:10:33,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:33,782 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 222 transitions. [2022-01-10 04:10:33,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 04:10:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 222 transitions. [2022-01-10 04:10:33,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-10 04:10:33,784 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:33,784 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, 1] [2022-01-10 04:10:33,806 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 04:10:34,003 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 04:10:34,004 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:34,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:34,005 INFO L85 PathProgramCache]: Analyzing trace with hash 783297524, now seen corresponding path program 1 times [2022-01-10 04:10:34,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:34,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126183650] [2022-01-10 04:10:34,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:34,006 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:34,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:34,011 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 04:10:34,012 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 04:10:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:34,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:34,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:34,227 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 04:10:34,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:34,228 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:34,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126183650] [2022-01-10 04:10:34,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126183650] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:34,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:34,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:34,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418398766] [2022-01-10 04:10:34,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:34,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:34,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:34,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:34,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:34,230 INFO L87 Difference]: Start difference. First operand 148 states and 222 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 04:10:34,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:34,328 INFO L93 Difference]: Finished difference Result 313 states and 476 transitions. [2022-01-10 04:10:34,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:34,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2022-01-10 04:10:34,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:34,331 INFO L225 Difference]: With dead ends: 313 [2022-01-10 04:10:34,331 INFO L226 Difference]: Without dead ends: 173 [2022-01-10 04:10:34,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 04:10:34,332 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 14 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 298 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 04:10:34,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 298 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:34,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-01-10 04:10:34,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 169. [2022-01-10 04:10:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.4761904761904763) internal successors, (248), 168 states have internal predecessors, (248), 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 04:10:34,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 248 transitions. [2022-01-10 04:10:34,355 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 248 transitions. Word has length 61 [2022-01-10 04:10:34,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:34,356 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 248 transitions. [2022-01-10 04:10:34,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 04:10:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2022-01-10 04:10:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-01-10 04:10:34,358 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:34,358 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, 1] [2022-01-10 04:10:34,377 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 04:10:34,565 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 04:10:34,565 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:34,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:34,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1336479842, now seen corresponding path program 1 times [2022-01-10 04:10:34,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:34,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372599174] [2022-01-10 04:10:34,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:34,567 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:34,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:34,587 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 04:10:34,609 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 04:10:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:34,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:34,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:34,790 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 04:10:34,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:34,791 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:34,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372599174] [2022-01-10 04:10:34,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372599174] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:34,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:34,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:34,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016393296] [2022-01-10 04:10:34,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:34,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:34,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:34,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:34,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:34,796 INFO L87 Difference]: Start difference. First operand 169 states and 248 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 04:10:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:34,918 INFO L93 Difference]: Finished difference Result 376 states and 567 transitions. [2022-01-10 04:10:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:34,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 82 [2022-01-10 04:10:34,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:34,920 INFO L225 Difference]: With dead ends: 376 [2022-01-10 04:10:34,920 INFO L226 Difference]: Without dead ends: 215 [2022-01-10 04:10:34,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 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 04:10:34,921 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 15 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 295 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 04:10:34,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 295 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:34,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-01-10 04:10:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 211. [2022-01-10 04:10:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.4047619047619047) internal successors, (295), 210 states have internal predecessors, (295), 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 04:10:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 295 transitions. [2022-01-10 04:10:34,929 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 295 transitions. Word has length 82 [2022-01-10 04:10:34,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:34,929 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 295 transitions. [2022-01-10 04:10:34,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 04:10:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 295 transitions. [2022-01-10 04:10:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-01-10 04:10:34,930 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:34,931 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, 1] [2022-01-10 04:10:34,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:35,137 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 04:10:35,137 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:35,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:35,137 INFO L85 PathProgramCache]: Analyzing trace with hash 439086564, now seen corresponding path program 1 times [2022-01-10 04:10:35,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:35,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962503457] [2022-01-10 04:10:35,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:35,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:35,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:35,139 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 04:10:35,142 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 04:10:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:35,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:35,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:35,314 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 04:10:35,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:35,314 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:35,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962503457] [2022-01-10 04:10:35,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962503457] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:35,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:35,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:35,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391455616] [2022-01-10 04:10:35,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:35,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:35,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:35,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:35,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:35,316 INFO L87 Difference]: Start difference. First operand 211 states and 295 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 04:10:35,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:35,431 INFO L93 Difference]: Finished difference Result 441 states and 625 transitions. [2022-01-10 04:10:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:35,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 82 [2022-01-10 04:10:35,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:35,433 INFO L225 Difference]: With dead ends: 441 [2022-01-10 04:10:35,433 INFO L226 Difference]: Without dead ends: 238 [2022-01-10 04:10:35,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 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 04:10:35,434 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 14 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 314 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 04:10:35,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 314 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:35,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-01-10 04:10:35,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2022-01-10 04:10:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.386266094420601) internal successors, (323), 233 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 323 transitions. [2022-01-10 04:10:35,441 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 323 transitions. Word has length 82 [2022-01-10 04:10:35,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:35,441 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 323 transitions. [2022-01-10 04:10:35,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 04:10:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 323 transitions. [2022-01-10 04:10:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-01-10 04:10:35,442 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:35,442 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, 1] [2022-01-10 04:10:35,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:35,648 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 04:10:35,649 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:35,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:35,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1295559526, now seen corresponding path program 1 times [2022-01-10 04:10:35,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:35,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386968904] [2022-01-10 04:10:35,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:35,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:35,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:35,651 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 04:10:35,653 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 04:10:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:35,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:35,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:35,884 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 04:10:35,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:35,884 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:35,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386968904] [2022-01-10 04:10:35,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386968904] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:35,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:35,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:35,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381821066] [2022-01-10 04:10:35,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:35,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:35,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:35,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:35,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:35,892 INFO L87 Difference]: Start difference. First operand 234 states and 323 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 04:10:35,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:36,000 INFO L93 Difference]: Finished difference Result 498 states and 701 transitions. [2022-01-10 04:10:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:36,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 103 [2022-01-10 04:10:36,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:36,003 INFO L225 Difference]: With dead ends: 498 [2022-01-10 04:10:36,003 INFO L226 Difference]: Without dead ends: 272 [2022-01-10 04:10:36,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 04:10:36,005 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 30 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 313 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 04:10:36,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 313 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:36,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-01-10 04:10:36,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 259. [2022-01-10 04:10:36,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.3682170542635659) internal successors, (353), 258 states have internal predecessors, (353), 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 04:10:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 353 transitions. [2022-01-10 04:10:36,020 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 353 transitions. Word has length 103 [2022-01-10 04:10:36,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:36,020 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 353 transitions. [2022-01-10 04:10:36,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 04:10:36,020 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 353 transitions. [2022-01-10 04:10:36,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:36,021 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:36,021 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 04:10:36,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-01-10 04:10:36,236 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 04:10:36,237 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:36,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:36,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1817702491, now seen corresponding path program 1 times [2022-01-10 04:10:36,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:36,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346878648] [2022-01-10 04:10:36,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:36,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:36,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:36,238 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 04:10:36,239 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 04:10:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:36,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:36,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:36,453 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 04:10:36,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:36,454 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:36,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346878648] [2022-01-10 04:10:36,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346878648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:36,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:36,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:36,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336481135] [2022-01-10 04:10:36,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:36,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:36,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:36,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:36,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:36,455 INFO L87 Difference]: Start difference. First operand 259 states and 353 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:36,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:36,476 INFO L93 Difference]: Finished difference Result 757 states and 1032 transitions. [2022-01-10 04:10:36,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:36,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-01-10 04:10:36,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:36,478 INFO L225 Difference]: With dead ends: 757 [2022-01-10 04:10:36,478 INFO L226 Difference]: Without dead ends: 506 [2022-01-10 04:10:36,479 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 04:10:36,479 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 137 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:36,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 502 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:36,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2022-01-10 04:10:36,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2022-01-10 04:10:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 505 states have (on average 1.3564356435643565) internal successors, (685), 505 states have internal predecessors, (685), 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 04:10:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 685 transitions. [2022-01-10 04:10:36,488 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 685 transitions. Word has length 122 [2022-01-10 04:10:36,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:36,488 INFO L470 AbstractCegarLoop]: Abstraction has 506 states and 685 transitions. [2022-01-10 04:10:36,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 685 transitions. [2022-01-10 04:10:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:36,489 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:36,489 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 04:10:36,497 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 04:10:36,696 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 04:10:36,696 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:36,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:36,697 INFO L85 PathProgramCache]: Analyzing trace with hash 231685351, now seen corresponding path program 1 times [2022-01-10 04:10:36,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:36,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135925043] [2022-01-10 04:10:36,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:36,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:36,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:36,698 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 04:10:36,700 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 04:10:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:36,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:36,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:36,894 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 04:10:36,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:36,894 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:36,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135925043] [2022-01-10 04:10:36,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135925043] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:36,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:36,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:36,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409547663] [2022-01-10 04:10:36,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:36,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:36,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:36,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:36,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:36,895 INFO L87 Difference]: Start difference. First operand 506 states and 685 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 04:10:36,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:36,918 INFO L93 Difference]: Finished difference Result 1249 states and 1693 transitions. [2022-01-10 04:10:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:36,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 04:10:36,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:36,921 INFO L225 Difference]: With dead ends: 1249 [2022-01-10 04:10:36,921 INFO L226 Difference]: Without dead ends: 751 [2022-01-10 04:10:36,922 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 04:10:36,922 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 134 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:36,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 470 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:36,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2022-01-10 04:10:36,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2022-01-10 04:10:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 750 states have (on average 1.352) internal successors, (1014), 750 states have internal predecessors, (1014), 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 04:10:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1014 transitions. [2022-01-10 04:10:36,932 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1014 transitions. Word has length 122 [2022-01-10 04:10:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:36,933 INFO L470 AbstractCegarLoop]: Abstraction has 751 states and 1014 transitions. [2022-01-10 04:10:36,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 04:10:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1014 transitions. [2022-01-10 04:10:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:36,934 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:36,934 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 04:10:36,959 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 04:10:37,141 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 04:10:37,141 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:37,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:37,142 INFO L85 PathProgramCache]: Analyzing trace with hash 58780327, now seen corresponding path program 1 times [2022-01-10 04:10:37,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:37,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308774371] [2022-01-10 04:10:37,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:37,142 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:37,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:37,143 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 04:10:37,149 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 04:10:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:37,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:37,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:37,335 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 04:10:37,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:37,335 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:37,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308774371] [2022-01-10 04:10:37,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308774371] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:37,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:37,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:37,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83079588] [2022-01-10 04:10:37,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:37,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:37,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:37,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:37,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:37,337 INFO L87 Difference]: Start difference. First operand 751 states and 1014 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 04:10:37,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:37,353 INFO L93 Difference]: Finished difference Result 1518 states and 2046 transitions. [2022-01-10 04:10:37,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:37,354 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 04:10:37,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:37,356 INFO L225 Difference]: With dead ends: 1518 [2022-01-10 04:10:37,356 INFO L226 Difference]: Without dead ends: 775 [2022-01-10 04:10:37,357 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 04:10:37,357 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 10 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:37,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 394 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:37,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-01-10 04:10:37,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 775. [2022-01-10 04:10:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 774 states have (on average 1.347545219638243) internal successors, (1043), 774 states have internal predecessors, (1043), 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 04:10:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1043 transitions. [2022-01-10 04:10:37,368 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1043 transitions. Word has length 122 [2022-01-10 04:10:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:37,369 INFO L470 AbstractCegarLoop]: Abstraction has 775 states and 1043 transitions. [2022-01-10 04:10:37,369 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 04:10:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1043 transitions. [2022-01-10 04:10:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:37,370 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:37,370 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 04:10:37,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:37,577 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 04:10:37,577 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:37,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:37,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1448074341, now seen corresponding path program 1 times [2022-01-10 04:10:37,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:37,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187606637] [2022-01-10 04:10:37,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:37,578 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:37,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:37,579 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 04:10:37,580 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 04:10:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:37,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:37,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:37,776 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 04:10:37,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:37,777 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:37,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187606637] [2022-01-10 04:10:37,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187606637] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:37,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:37,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:37,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965159743] [2022-01-10 04:10:37,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:37,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:37,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:37,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:37,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:37,778 INFO L87 Difference]: Start difference. First operand 775 states and 1043 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 04:10:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:37,795 INFO L93 Difference]: Finished difference Result 1555 states and 2088 transitions. [2022-01-10 04:10:37,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:37,795 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 04:10:37,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:37,797 INFO L225 Difference]: With dead ends: 1555 [2022-01-10 04:10:37,797 INFO L226 Difference]: Without dead ends: 788 [2022-01-10 04:10:37,798 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 04:10:37,798 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 6 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:37,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 374 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:37,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2022-01-10 04:10:37,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 788. [2022-01-10 04:10:37,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 787 states have (on average 1.3418043202033036) internal successors, (1056), 787 states have internal predecessors, (1056), 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 04:10:37,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1056 transitions. [2022-01-10 04:10:37,808 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1056 transitions. Word has length 122 [2022-01-10 04:10:37,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:37,808 INFO L470 AbstractCegarLoop]: Abstraction has 788 states and 1056 transitions. [2022-01-10 04:10:37,809 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 04:10:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1056 transitions. [2022-01-10 04:10:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-01-10 04:10:37,810 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:37,810 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 04:10:37,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-01-10 04:10:38,016 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 04:10:38,016 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:38,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:38,017 INFO L85 PathProgramCache]: Analyzing trace with hash -535798281, now seen corresponding path program 1 times [2022-01-10 04:10:38,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:38,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629837459] [2022-01-10 04:10:38,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:38,017 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:38,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:38,018 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 04:10:38,021 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 04:10:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:38,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:38,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 04:10:38,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:38,275 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:38,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629837459] [2022-01-10 04:10:38,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629837459] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:38,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:38,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:38,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577527346] [2022-01-10 04:10:38,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:38,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:38,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:38,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:38,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:38,276 INFO L87 Difference]: Start difference. First operand 788 states and 1056 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 04:10:38,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:38,391 INFO L93 Difference]: Finished difference Result 1653 states and 2262 transitions. [2022-01-10 04:10:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:38,392 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 160 [2022-01-10 04:10:38,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:38,394 INFO L225 Difference]: With dead ends: 1653 [2022-01-10 04:10:38,394 INFO L226 Difference]: Without dead ends: 886 [2022-01-10 04:10:38,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 04:10:38,396 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 20 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 310 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 04:10:38,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 310 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:38,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2022-01-10 04:10:38,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 872. [2022-01-10 04:10:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 871 states have (on average 1.320321469575201) internal successors, (1150), 871 states have internal predecessors, (1150), 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 04:10:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1150 transitions. [2022-01-10 04:10:38,409 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1150 transitions. Word has length 160 [2022-01-10 04:10:38,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:38,409 INFO L470 AbstractCegarLoop]: Abstraction has 872 states and 1150 transitions. [2022-01-10 04:10:38,409 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 04:10:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1150 transitions. [2022-01-10 04:10:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-01-10 04:10:38,411 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:38,411 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 04:10:38,437 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 04:10:38,618 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 04:10:38,618 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:38,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:38,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2091240991, now seen corresponding path program 1 times [2022-01-10 04:10:38,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:38,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194209351] [2022-01-10 04:10:38,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:38,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:38,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:38,637 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 04:10:38,637 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 04:10:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:38,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:38,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-01-10 04:10:38,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:38,928 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:38,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194209351] [2022-01-10 04:10:38,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194209351] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:38,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:38,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:38,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500174030] [2022-01-10 04:10:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:38,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:38,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:38,929 INFO L87 Difference]: Start difference. First operand 872 states and 1150 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 04:10:39,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:39,029 INFO L93 Difference]: Finished difference Result 1816 states and 2449 transitions. [2022-01-10 04:10:39,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:39,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 203 [2022-01-10 04:10:39,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:39,032 INFO L225 Difference]: With dead ends: 1816 [2022-01-10 04:10:39,032 INFO L226 Difference]: Without dead ends: 965 [2022-01-10 04:10:39,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 201 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 04:10:39,033 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 14 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 307 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 04:10:39,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 307 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:39,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-01-10 04:10:39,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2022-01-10 04:10:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 964 states have (on average 1.3049792531120332) internal successors, (1258), 964 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1258 transitions. [2022-01-10 04:10:39,046 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1258 transitions. Word has length 203 [2022-01-10 04:10:39,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:39,046 INFO L470 AbstractCegarLoop]: Abstraction has 965 states and 1258 transitions. [2022-01-10 04:10:39,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 04:10:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1258 transitions. [2022-01-10 04:10:39,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-01-10 04:10:39,048 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:39,048 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 04:10:39,067 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 04:10:39,255 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 04:10:39,255 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:39,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash -265869871, now seen corresponding path program 1 times [2022-01-10 04:10:39,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:39,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913388033] [2022-01-10 04:10:39,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:39,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:39,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:39,268 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 04:10:39,270 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 04:10:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:39,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:39,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-01-10 04:10:39,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:39,628 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:39,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913388033] [2022-01-10 04:10:39,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913388033] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:39,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:39,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:39,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106322150] [2022-01-10 04:10:39,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:39,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:39,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:39,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:39,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:39,629 INFO L87 Difference]: Start difference. First operand 965 states and 1258 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:39,763 INFO L93 Difference]: Finished difference Result 2038 states and 2734 transitions. [2022-01-10 04:10:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:39,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2022-01-10 04:10:39,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:39,766 INFO L225 Difference]: With dead ends: 2038 [2022-01-10 04:10:39,766 INFO L226 Difference]: Without dead ends: 960 [2022-01-10 04:10:39,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 230 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 04:10:39,768 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 10 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:39,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 314 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:39,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-01-10 04:10:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-01-10 04:10:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 959 states have (on average 1.3013555787278415) internal successors, (1248), 959 states have internal predecessors, (1248), 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 04:10:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1248 transitions. [2022-01-10 04:10:39,782 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1248 transitions. Word has length 232 [2022-01-10 04:10:39,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:39,783 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1248 transitions. [2022-01-10 04:10:39,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:39,783 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1248 transitions. [2022-01-10 04:10:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-01-10 04:10:39,785 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:39,785 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:39,805 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 04:10:39,992 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 04:10:39,992 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:39,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:39,992 INFO L85 PathProgramCache]: Analyzing trace with hash -904430186, now seen corresponding path program 1 times [2022-01-10 04:10:39,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:39,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819912474] [2022-01-10 04:10:39,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:39,993 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:39,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:39,994 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 04:10:40,003 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 04:10:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:40,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:40,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-10 04:10:40,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:40,418 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:40,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819912474] [2022-01-10 04:10:40,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819912474] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:40,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:40,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:40,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217411087] [2022-01-10 04:10:40,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:40,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:40,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:40,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:40,419 INFO L87 Difference]: Start difference. First operand 960 states and 1248 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 04:10:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:40,441 INFO L93 Difference]: Finished difference Result 2721 states and 3557 transitions. [2022-01-10 04:10:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 272 [2022-01-10 04:10:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:40,445 INFO L225 Difference]: With dead ends: 2721 [2022-01-10 04:10:40,445 INFO L226 Difference]: Without dead ends: 1210 [2022-01-10 04:10:40,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 270 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 04:10:40,447 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 121 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:40,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 527 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:40,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2022-01-10 04:10:40,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1208. [2022-01-10 04:10:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 1207 states have (on average 1.303231151615576) internal successors, (1573), 1207 states have internal predecessors, (1573), 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 04:10:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1573 transitions. [2022-01-10 04:10:40,463 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1573 transitions. Word has length 272 [2022-01-10 04:10:40,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:40,463 INFO L470 AbstractCegarLoop]: Abstraction has 1208 states and 1573 transitions. [2022-01-10 04:10:40,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 04:10:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1573 transitions. [2022-01-10 04:10:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-01-10 04:10:40,466 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:40,466 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:40,489 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 04:10:40,673 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 04:10:40,673 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:40,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:40,673 INFO L85 PathProgramCache]: Analyzing trace with hash 460481987, now seen corresponding path program 1 times [2022-01-10 04:10:40,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:40,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453048332] [2022-01-10 04:10:40,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:40,674 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:40,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:40,688 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 04:10:40,752 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 04:10:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:40,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:40,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-01-10 04:10:41,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:41,183 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:41,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453048332] [2022-01-10 04:10:41,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453048332] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:41,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:41,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:41,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125432778] [2022-01-10 04:10:41,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:41,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:41,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:41,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:41,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:41,184 INFO L87 Difference]: Start difference. First operand 1208 states and 1573 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 04:10:41,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:41,282 INFO L93 Difference]: Finished difference Result 2535 states and 3369 transitions. [2022-01-10 04:10:41,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:41,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 319 [2022-01-10 04:10:41,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:41,286 INFO L225 Difference]: With dead ends: 2535 [2022-01-10 04:10:41,286 INFO L226 Difference]: Without dead ends: 1348 [2022-01-10 04:10:41,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 317 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 04:10:41,287 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 19 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:41,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 308 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:41,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2022-01-10 04:10:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1316. [2022-01-10 04:10:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 1315 states have (on average 1.2935361216730037) internal successors, (1701), 1315 states have internal predecessors, (1701), 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 04:10:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1701 transitions. [2022-01-10 04:10:41,303 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1701 transitions. Word has length 319 [2022-01-10 04:10:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:41,303 INFO L470 AbstractCegarLoop]: Abstraction has 1316 states and 1701 transitions. [2022-01-10 04:10:41,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 04:10:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1701 transitions. [2022-01-10 04:10:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-01-10 04:10:41,305 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:41,305 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-01-10 04:10:41,313 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 04:10:41,512 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 04:10:41,513 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:41,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:41,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1029985045, now seen corresponding path program 1 times [2022-01-10 04:10:41,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:41,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575433520] [2022-01-10 04:10:41,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:41,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:41,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:41,515 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 04:10:41,515 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 04:10:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:41,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:41,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:41,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-01-10 04:10:41,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:41,936 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:41,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575433520] [2022-01-10 04:10:41,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575433520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:41,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:41,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:41,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846702089] [2022-01-10 04:10:41,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:41,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:41,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:41,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:41,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:41,937 INFO L87 Difference]: Start difference. First operand 1316 states and 1701 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 04:10:42,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:42,023 INFO L93 Difference]: Finished difference Result 2735 states and 3597 transitions. [2022-01-10 04:10:42,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:42,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 342 [2022-01-10 04:10:42,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:42,026 INFO L225 Difference]: With dead ends: 2735 [2022-01-10 04:10:42,026 INFO L226 Difference]: Without dead ends: 1440 [2022-01-10 04:10:42,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 340 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 04:10:42,028 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 11 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:42,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 308 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:42,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2022-01-10 04:10:42,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1432. [2022-01-10 04:10:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1431 states have (on average 1.283717679944095) internal successors, (1837), 1431 states have internal predecessors, (1837), 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 04:10:42,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1837 transitions. [2022-01-10 04:10:42,044 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1837 transitions. Word has length 342 [2022-01-10 04:10:42,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:42,044 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 1837 transitions. [2022-01-10 04:10:42,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 04:10:42,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1837 transitions. [2022-01-10 04:10:42,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-01-10 04:10:42,047 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:42,047 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 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, 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 04:10:42,054 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 04:10:42,254 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 04:10:42,254 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:42,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1175093220, now seen corresponding path program 1 times [2022-01-10 04:10:42,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:42,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768015900] [2022-01-10 04:10:42,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:42,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:42,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:42,257 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 04:10:42,258 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 04:10:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:42,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 04:10:42,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1398 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2022-01-10 04:10:42,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:42,802 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:42,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768015900] [2022-01-10 04:10:42,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768015900] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:42,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:42,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 04:10:42,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119192041] [2022-01-10 04:10:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:42,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:10:42,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:42,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:10:42,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:10:42,804 INFO L87 Difference]: Start difference. First operand 1432 states and 1837 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 04:10:42,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:42,872 INFO L93 Difference]: Finished difference Result 5533 states and 7109 transitions. [2022-01-10 04:10:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:10:42,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 376 [2022-01-10 04:10:42,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:42,882 INFO L225 Difference]: With dead ends: 5533 [2022-01-10 04:10:42,882 INFO L226 Difference]: Without dead ends: 4122 [2022-01-10 04:10:42,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 373 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 04:10:42,885 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 389 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:42,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 1379 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2022-01-10 04:10:42,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4122 states. [2022-01-10 04:10:42,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4122 to 2825. [2022-01-10 04:10:42,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2825 states, 2824 states have (on average 1.2818696883852692) internal successors, (3620), 2824 states have internal predecessors, (3620), 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 04:10:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3620 transitions. [2022-01-10 04:10:42,940 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3620 transitions. Word has length 376 [2022-01-10 04:10:42,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:42,940 INFO L470 AbstractCegarLoop]: Abstraction has 2825 states and 3620 transitions. [2022-01-10 04:10:42,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 04:10:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3620 transitions. [2022-01-10 04:10:42,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-01-10 04:10:42,944 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:42,945 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 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, 1, 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 04:10:42,962 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 04:10:43,152 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 04:10:43,152 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:43,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:43,153 INFO L85 PathProgramCache]: Analyzing trace with hash 147514378, now seen corresponding path program 1 times [2022-01-10 04:10:43,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:43,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889925180] [2022-01-10 04:10:43,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:43,153 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:43,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:43,160 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 04:10:43,161 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 04:10:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:43,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:10:43,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:43,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1398 backedges. 876 proven. 26 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-01-10 04:10:43,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:10:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1398 backedges. 876 proven. 26 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-01-10 04:10:44,091 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:44,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889925180] [2022-01-10 04:10:44,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889925180] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:10:44,092 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:10:44,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-01-10 04:10:44,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346259028] [2022-01-10 04:10:44,092 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:10:44,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:10:44,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:44,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:10:44,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:10:44,093 INFO L87 Difference]: Start difference. First operand 2825 states and 3620 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 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 04:10:44,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:44,274 INFO L93 Difference]: Finished difference Result 8745 states and 11354 transitions. [2022-01-10 04:10:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:10:44,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 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 377 [2022-01-10 04:10:44,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:44,289 INFO L225 Difference]: With dead ends: 8745 [2022-01-10 04:10:44,289 INFO L226 Difference]: Without dead ends: 5941 [2022-01-10 04:10:44,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 751 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 04:10:44,293 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 173 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:44,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 649 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5941 states. [2022-01-10 04:10:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5941 to 3801. [2022-01-10 04:10:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3801 states, 3800 states have (on average 1.308421052631579) internal successors, (4972), 3800 states have internal predecessors, (4972), 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 04:10:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3801 states to 3801 states and 4972 transitions. [2022-01-10 04:10:44,368 INFO L78 Accepts]: Start accepts. Automaton has 3801 states and 4972 transitions. Word has length 377 [2022-01-10 04:10:44,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:44,368 INFO L470 AbstractCegarLoop]: Abstraction has 3801 states and 4972 transitions. [2022-01-10 04:10:44,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 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 04:10:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3801 states and 4972 transitions. [2022-01-10 04:10:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-01-10 04:10:44,398 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:44,399 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 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 04:10:44,427 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 04:10:44,606 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 04:10:44,606 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:44,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:44,607 INFO L85 PathProgramCache]: Analyzing trace with hash 783469812, now seen corresponding path program 1 times [2022-01-10 04:10:44,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:44,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571343968] [2022-01-10 04:10:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:44,609 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:44,628 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 04:10:44,680 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 04:10:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:44,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:44,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1672 backedges. 917 proven. 0 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2022-01-10 04:10:45,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:45,191 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:45,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571343968] [2022-01-10 04:10:45,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571343968] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:45,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:45,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:45,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195536184] [2022-01-10 04:10:45,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:45,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:45,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:45,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:45,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:45,192 INFO L87 Difference]: Start difference. First operand 3801 states and 4972 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 04:10:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:45,305 INFO L93 Difference]: Finished difference Result 7927 states and 10507 transitions. [2022-01-10 04:10:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:45,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 407 [2022-01-10 04:10:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:45,316 INFO L225 Difference]: With dead ends: 7927 [2022-01-10 04:10:45,316 INFO L226 Difference]: Without dead ends: 4147 [2022-01-10 04:10:45,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 405 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 04:10:45,320 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 13 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 314 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 04:10:45,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 314 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:45,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4147 states. [2022-01-10 04:10:45,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4147 to 3961. [2022-01-10 04:10:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3961 states, 3960 states have (on average 1.3060606060606061) internal successors, (5172), 3960 states have internal predecessors, (5172), 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 04:10:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3961 states to 3961 states and 5172 transitions. [2022-01-10 04:10:45,381 INFO L78 Accepts]: Start accepts. Automaton has 3961 states and 5172 transitions. Word has length 407 [2022-01-10 04:10:45,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:45,382 INFO L470 AbstractCegarLoop]: Abstraction has 3961 states and 5172 transitions. [2022-01-10 04:10:45,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 04:10:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3961 states and 5172 transitions. [2022-01-10 04:10:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-01-10 04:10:45,385 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:45,385 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 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 04:10:45,409 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 04:10:45,593 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 04:10:45,593 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:45,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:45,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2016708688, now seen corresponding path program 1 times [2022-01-10 04:10:45,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:45,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880743881] [2022-01-10 04:10:45,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:45,594 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:45,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:45,596 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 04:10:45,600 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 04:10:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:45,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:45,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:46,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1672 backedges. 984 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2022-01-10 04:10:46,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:46,153 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:46,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880743881] [2022-01-10 04:10:46,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880743881] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:46,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:46,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:46,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638017248] [2022-01-10 04:10:46,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:46,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:46,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:46,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:46,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:46,154 INFO L87 Difference]: Start difference. First operand 3961 states and 5172 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:46,278 INFO L93 Difference]: Finished difference Result 8477 states and 11359 transitions. [2022-01-10 04:10:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:46,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 408 [2022-01-10 04:10:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:46,299 INFO L225 Difference]: With dead ends: 8477 [2022-01-10 04:10:46,299 INFO L226 Difference]: Without dead ends: 4537 [2022-01-10 04:10:46,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 406 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 04:10:46,303 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 11 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:46,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 308 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:46,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4537 states. [2022-01-10 04:10:46,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4537 to 4505. [2022-01-10 04:10:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4505 states, 4504 states have (on average 1.2868561278863233) internal successors, (5796), 4504 states have internal predecessors, (5796), 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 04:10:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4505 states and 5796 transitions. [2022-01-10 04:10:46,369 INFO L78 Accepts]: Start accepts. Automaton has 4505 states and 5796 transitions. Word has length 408 [2022-01-10 04:10:46,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:46,369 INFO L470 AbstractCegarLoop]: Abstraction has 4505 states and 5796 transitions. [2022-01-10 04:10:46,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 4505 states and 5796 transitions. [2022-01-10 04:10:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-01-10 04:10:46,373 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:46,373 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:46,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:46,580 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 04:10:46,581 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:46,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:46,581 INFO L85 PathProgramCache]: Analyzing trace with hash -552241942, now seen corresponding path program 1 times [2022-01-10 04:10:46,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:46,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2024598730] [2022-01-10 04:10:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:46,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:46,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:46,583 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 04:10:46,585 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 04:10:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:46,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:46,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 1163 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2022-01-10 04:10:47,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:47,237 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:47,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2024598730] [2022-01-10 04:10:47,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2024598730] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:47,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:47,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:47,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966354539] [2022-01-10 04:10:47,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:47,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:47,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:47,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:47,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:47,238 INFO L87 Difference]: Start difference. First operand 4505 states and 5796 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:47,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:47,377 INFO L93 Difference]: Finished difference Result 9597 states and 12671 transitions. [2022-01-10 04:10:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:47,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 439 [2022-01-10 04:10:47,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:47,385 INFO L225 Difference]: With dead ends: 9597 [2022-01-10 04:10:47,385 INFO L226 Difference]: Without dead ends: 5113 [2022-01-10 04:10:47,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 437 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 04:10:47,390 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 11 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:47,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 308 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:47,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2022-01-10 04:10:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5081. [2022-01-10 04:10:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5081 states, 5080 states have (on average 1.2700787401574802) internal successors, (6452), 5080 states have internal predecessors, (6452), 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 04:10:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5081 states to 5081 states and 6452 transitions. [2022-01-10 04:10:47,452 INFO L78 Accepts]: Start accepts. Automaton has 5081 states and 6452 transitions. Word has length 439 [2022-01-10 04:10:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:47,452 INFO L470 AbstractCegarLoop]: Abstraction has 5081 states and 6452 transitions. [2022-01-10 04:10:47,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 5081 states and 6452 transitions. [2022-01-10 04:10:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-01-10 04:10:47,457 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:47,458 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:47,484 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 04:10:47,665 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 04:10:47,666 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:47,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash -106609813, now seen corresponding path program 1 times [2022-01-10 04:10:47,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:47,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315696783] [2022-01-10 04:10:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:47,667 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:47,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:47,668 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 04:10:47,669 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 04:10:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:47,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:47,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 1352 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-01-10 04:10:48,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:48,284 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:48,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315696783] [2022-01-10 04:10:48,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315696783] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:48,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:48,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:48,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401007090] [2022-01-10 04:10:48,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:48,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:48,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:48,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:48,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:48,285 INFO L87 Difference]: Start difference. First operand 5081 states and 6452 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 04:10:48,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:48,411 INFO L93 Difference]: Finished difference Result 9917 states and 12707 transitions. [2022-01-10 04:10:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:48,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 472 [2022-01-10 04:10:48,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:48,417 INFO L225 Difference]: With dead ends: 9917 [2022-01-10 04:10:48,417 INFO L226 Difference]: Without dead ends: 4407 [2022-01-10 04:10:48,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 470 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 04:10:48,422 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 14 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:48,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 308 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:48,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-01-10 04:10:48,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 3929. [2022-01-10 04:10:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3929 states, 3928 states have (on average 1.2296334012219958) internal successors, (4830), 3928 states have internal predecessors, (4830), 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 04:10:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3929 states and 4830 transitions. [2022-01-10 04:10:48,469 INFO L78 Accepts]: Start accepts. Automaton has 3929 states and 4830 transitions. Word has length 472 [2022-01-10 04:10:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:48,469 INFO L470 AbstractCegarLoop]: Abstraction has 3929 states and 4830 transitions. [2022-01-10 04:10:48,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 04:10:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3929 states and 4830 transitions. [2022-01-10 04:10:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-01-10 04:10:48,473 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:48,473 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 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 04:10:48,491 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 04:10:48,681 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 04:10:48,681 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:48,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:48,681 INFO L85 PathProgramCache]: Analyzing trace with hash -271118721, now seen corresponding path program 1 times [2022-01-10 04:10:48,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:48,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59010170] [2022-01-10 04:10:48,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:48,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:48,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:48,683 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 04:10:48,684 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 04:10:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:48,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:10:48,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:49,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2729 backedges. 1310 proven. 26 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2022-01-10 04:10:49,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:10:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2729 backedges. 1310 proven. 26 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2022-01-10 04:10:49,880 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:49,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59010170] [2022-01-10 04:10:49,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59010170] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:10:49,880 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:10:49,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:10:49,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705861628] [2022-01-10 04:10:49,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:10:49,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 04:10:49,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:49,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 04:10:49,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 04:10:49,881 INFO L87 Difference]: Start difference. First operand 3929 states and 4830 transitions. Second operand has 6 states, 6 states have (on average 47.166666666666664) internal successors, (283), 6 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:50,144 INFO L93 Difference]: Finished difference Result 5263 states and 6474 transitions. [2022-01-10 04:10:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 04:10:50,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 47.166666666666664) internal successors, (283), 6 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 510 [2022-01-10 04:10:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:50,145 INFO L225 Difference]: With dead ends: 5263 [2022-01-10 04:10:50,145 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:10:50,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1024 GetRequests, 1017 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 04:10:50,148 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 253 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:50,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 581 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 04:10:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:10:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:10:50,149 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 04:10:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:10:50,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 510 [2022-01-10 04:10:50,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:50,149 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:10:50,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.166666666666664) internal successors, (283), 6 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:10:50,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:10:50,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:10:50,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:50,359 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 04:10:50,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:10:52,428 INFO L858 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2022-01-10 04:10:52,428 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 611) no Hoare annotation was computed. [2022-01-10 04:10:52,428 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L854 garLoopResultBuilder]: At program point L201(lines 197 567) the Hoare annotation is: (or (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) [2022-01-10 04:10:52,429 INFO L854 garLoopResultBuilder]: At program point L168(lines 164 578) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,429 INFO L861 garLoopResultBuilder]: At program point L135(lines 134 588) the Hoare annotation is: true [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L854 garLoopResultBuilder]: At program point L631(lines 629 632) the Hoare annotation is: false [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 603) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L598-2(lines 597 611) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 565) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 576) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 587) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 602) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 244) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 237 244) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2022-01-10 04:10:52,429 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 445) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 564) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 575) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 586) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 378) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 565) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (and .cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))))) [2022-01-10 04:10:52,430 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 576) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 609) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 443) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L854 garLoopResultBuilder]: At program point L407(lines 398 416) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 563) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 574) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 585) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 110 614) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse5 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse6 (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse8 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse9 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8466 32)) .cse1) (and .cse2 .cse3) (and .cse2 .cse0) (and .cse0 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse4 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1) (and .cse4 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse5) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse6) (and .cse0 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse4) (and .cse0 .cse7 (= (_ bv8576 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8464 32)) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32))) (and .cse0 .cse8 .cse7) (and .cse0 .cse7 .cse5) (and .cse0 .cse6 .cse1) (and .cse0 .cse7 .cse3) (and .cse0 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse8) (and .cse0 .cse9 .cse7) (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (and .cse2 .cse9) (and .cse0 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1) (and .cse0 (= (_ 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 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 377) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L858 garLoopResultBuilder]: For program point L342-1(lines 342 377) no Hoare annotation was computed. [2022-01-10 04:10:52,430 INFO L854 garLoopResultBuilder]: At program point L177(lines 176 574) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse1) (and .cse2 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)) .cse1) (and .cse3 .cse0 .cse1) (and .cse3 .cse2 .cse1))) [2022-01-10 04:10:52,431 INFO L854 garLoopResultBuilder]: At program point L144(lines 137 587) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (and .cse1 .cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (and .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32))))) [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 219 558) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 374) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 562) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 573) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 584) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 595) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L861 garLoopResultBuilder]: At program point L642(lines 633 644) the Hoare annotation is: true [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 249) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L854 garLoopResultBuilder]: At program point L213(lines 209 563) the Hoare annotation is: (let ((.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (and .cse1 .cse0))) [2022-01-10 04:10:52,431 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 595) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 561) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 572) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 583) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 594) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2022-01-10 04:10:52,431 INFO L858 garLoopResultBuilder]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 372) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L861 garLoopResultBuilder]: At program point L216(lines 215 561) the Hoare annotation is: true [2022-01-10 04:10:52,432 INFO L854 garLoopResultBuilder]: At program point L183(lines 179 573) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (and .cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))))) [2022-01-10 04:10:52,432 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 584) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse3 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (and .cse2 .cse3) (and .cse1 .cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (and .cse0 .cse2))) [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 285) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L283-2(lines 219 558) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 319) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 262) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 561) the Hoare annotation is: true [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 571) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 582) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 593) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L861 garLoopResultBuilder]: At program point L615(lines 109 616) the Hoare annotation is: true [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 551) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 520) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 453) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 356) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2022-01-10 04:10:52,432 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 256) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L386(lines 386 418) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 570) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 581) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 592) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 488) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L486-2(lines 219 558) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 393) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L854 garLoopResultBuilder]: At program point L222(lines 116 594) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,433 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 571) the Hoare annotation is: (or (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)))) [2022-01-10 04:10:52,433 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 582) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 463) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L620(lines 620 622) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L620-2(lines 620 622) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 569) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 580) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 591) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L861 garLoopResultBuilder]: At program point L623(lines 23 627) the Hoare annotation is: true [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 568) no Hoare annotation was computed. [2022-01-10 04:10:52,433 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 579) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 590) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L492-2(lines 492 496) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L854 garLoopResultBuilder]: At program point L195(lines 191 569) the Hoare annotation is: (or (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)))) [2022-01-10 04:10:52,434 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 580) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L854 garLoopResultBuilder]: At program point L559(lines 110 614) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse5 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse6 (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse8 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse9 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8466 32)) .cse1) (and .cse2 .cse3) (and .cse2 .cse0) (and .cse0 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse4 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1) (and .cse4 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse5) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse6) (and .cse0 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse4) (and .cse0 .cse7 (= (_ bv8576 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse8 .cse7) (and .cse0 .cse7 .cse5) (and .cse0 .cse6 .cse1) (and .cse0 .cse7 .cse3) (and .cse0 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse8) (and .cse0 .cse9 .cse7) (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (and .cse2 .cse9) (and .cse0 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse1) (and .cse0 (= (_ 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 04:10:52,434 INFO L854 garLoopResultBuilder]: At program point L361(lines 336 379) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 430) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L854 garLoopResultBuilder]: At program point L395(lines 386 418) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 298) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L296-2(lines 219 558) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 567) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 578) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 589) no Hoare annotation was computed. [2022-01-10 04:10:52,434 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 530) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L528-2(lines 219 558) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 365) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 334) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L330-2(lines 219 558) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 590) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 612) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 416) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 566) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 577) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 588) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-01-10 04:10:52,435 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 84 626) no Hoare annotation was computed. [2022-01-10 04:10:52,437 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 04:10:52,438 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:10:52,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:10:52 BoogieIcfgContainer [2022-01-10 04:10:52,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:10:52,454 INFO L158 Benchmark]: Toolchain (without parser) took 19907.63ms. Allocated memory was 181.4MB in the beginning and 314.6MB in the end (delta: 133.2MB). Free memory was 128.7MB in the beginning and 146.2MB in the end (delta: -17.5MB). Peak memory consumption was 170.5MB. Max. memory is 8.0GB. [2022-01-10 04:10:52,454 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:10:52,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.54ms. Allocated memory is still 181.4MB. Free memory was 128.6MB in the beginning and 152.1MB in the end (delta: -23.5MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-01-10 04:10:52,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.21ms. Allocated memory is still 181.4MB. Free memory was 152.1MB in the beginning and 149.6MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 04:10:52,454 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 181.4MB. Free memory was 149.6MB in the beginning and 147.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 04:10:52,454 INFO L158 Benchmark]: RCFGBuilder took 400.27ms. Allocated memory is still 181.4MB. Free memory was 147.3MB in the beginning and 120.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-10 04:10:52,455 INFO L158 Benchmark]: TraceAbstraction took 19155.11ms. Allocated memory was 181.4MB in the beginning and 314.6MB in the end (delta: 133.2MB). Free memory was 120.2MB in the beginning and 146.2MB in the end (delta: -26.0MB). Peak memory consumption was 162.0MB. Max. memory is 8.0GB. [2022-01-10 04:10:52,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.54ms. Allocated memory is still 181.4MB. Free memory was 128.6MB in the beginning and 152.1MB in the end (delta: -23.5MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.21ms. Allocated memory is still 181.4MB. Free memory was 152.1MB in the beginning and 149.6MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 181.4MB. Free memory was 149.6MB in the beginning and 147.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 400.27ms. Allocated memory is still 181.4MB. Free memory was 147.3MB in the beginning and 120.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 19155.11ms. Allocated memory was 181.4MB in the beginning and 314.6MB in the end (delta: 133.2MB). Free memory was 120.2MB in the beginning and 146.2MB in the end (delta: -26.0MB). Peak memory consumption was 162.0MB. 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: 630]: 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, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.1s, OverallIterations: 22, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1450 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1450 mSDsluCounter, 9251 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 13 IncrementalHoareTripleChecker+Unchecked, 4084 mSDsCounter, 412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2280 IncrementalHoareTripleChecker+Invalid, 2705 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 412 mSolverCounterUnsat, 5167 mSDtfsCounter, 2280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6252 GetRequests, 6218 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5081occurred in iteration=20, InterpolantAutomatonStates: 74, 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, 4249 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 269 NumberOfFragments, 873 HoareAnnotationTreeSize, 28 FomulaSimplifications, 1816 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 28 FomulaSimplificationsInter, 4018 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 5378 NumberOfCodeBlocks, 5378 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 6241 ConstructedInterpolants, 1 QuantifiedInterpolants, 8515 SizeOfPredicates, 8 NumberOfNonLiveVariables, 6349 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 21520/21624 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: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: !(s__hit == 0bv32) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && s__s3__tmp__next_state___0 == 8576bv32) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (!(8640bv32 == s__state) && blastFlag == 0bv32) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((blastFlag == 2bv32 && s__state == 8466bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (!(s__hit == 0bv32) && 8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (blastFlag == 2bv32 && 8560bv32 == s__state)) || ((blastFlag == 3bv32 && 8672bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || (blastFlag == 2bv32 && 8544bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8576bv32 == s__state)) || (s__state == 8464bv32 && blastFlag == 0bv32)) || ((blastFlag == 2bv32 && 8592bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state)) || ((blastFlag == 2bv32 && 8496bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8640bv32 == s__state)) || (blastFlag == 2bv32 && 8512bv32 == s__state)) || (!(s__hit == 0bv32) && 8592bv32 == s__state)) || ((blastFlag == 2bv32 && 8608bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32)) || 3bv32 == s__state) || (!(s__hit == 0bv32) && 8608bv32 == s__state)) || ((blastFlag == 2bv32 && 8656bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 2bv32 && 8528bv32 == s__state) && ~sign_extendFrom8To32(s__s3__tmp__new_cipher__algorithms) == __cil_tmp56) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((blastFlag == 2bv32 && s__state == 8466bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (!(s__hit == 0bv32) && 8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (blastFlag == 2bv32 && 8560bv32 == s__state)) || ((blastFlag == 3bv32 && 8672bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || (blastFlag == 2bv32 && 8544bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8576bv32 == s__state)) || ((blastFlag == 2bv32 && 8592bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state)) || ((blastFlag == 2bv32 && 8496bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8640bv32 == s__state)) || (blastFlag == 2bv32 && 8512bv32 == s__state)) || (!(s__hit == 0bv32) && 8592bv32 == s__state)) || ((blastFlag == 2bv32 && 8608bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32)) || 3bv32 == s__state) || (!(s__hit == 0bv32) && 8608bv32 == s__state)) || ((blastFlag == 2bv32 && 8656bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || ((blastFlag == 2bv32 && 8528bv32 == s__state) && ~sign_extendFrom8To32(s__s3__tmp__new_cipher__algorithms) == __cil_tmp56) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 3bv32) && 8448bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 2bv32) && 8448bv32 == s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: !(s__hit == 0bv32) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && s__s3__tmp__next_state___0 == 8576bv32) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((blastFlag == 3bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && s__s3__tmp__next_state___0 == 8576bv32) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || (blastFlag == 1bv32 && !(8640bv32 == s__state))) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (!(s__hit == 0bv32) && blastFlag == 1bv32) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: !(s__hit == 0bv32) || ((blastFlag == 2bv32 && 8640bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 04:10:52,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...