/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_4.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:10:49,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:10:49,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:10:49,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 04:10:49,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:10:49,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:10:49,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:10:49,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:10:49,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:10:49,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:10:49,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:10:49,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:10:49,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:10:49,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:10:49,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:10:49,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:10:49,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 04:10:49,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:10:49,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:10:49,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:10:49,452 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 04:10:49,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:10:49,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:10:49,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:10:49,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:10:49,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:10:49,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:10:49,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:10:49,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:10:49,466 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:10:49,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:10:49,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:10:49,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:10:49,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:10:49,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:10:49,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:10:49,471 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:10:49,471 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:10:49,471 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:10:49,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:10:49,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:10:49,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:10:49,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:10:49,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:10:49,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:10:49,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:10:49,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:10:49,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:10:49,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:10:49,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:10:49,700 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:10:49,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_4.cil.c [2022-01-10 04:10:49,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0106c27e2/0dd6815d0de3460f980aec5ea2dbe547/FLAG359dfda58 [2022-01-10 04:10:50,163 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:10:50,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_4.cil.c [2022-01-10 04:10:50,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0106c27e2/0dd6815d0de3460f980aec5ea2dbe547/FLAG359dfda58 [2022-01-10 04:10:50,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0106c27e2/0dd6815d0de3460f980aec5ea2dbe547 [2022-01-10 04:10:50,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:10:50,188 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:10:50,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:10:50,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:10:50,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:10:50,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0d879b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50, skipping insertion in model container [2022-01-10 04:10:50,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:10:50,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:10:50,434 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_4.cil.c[42875,42888] [2022-01-10 04:10:50,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:10:50,455 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:10:50,508 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_4.cil.c[42875,42888] [2022-01-10 04:10:50,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:10:50,519 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:10:50,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50 WrapperNode [2022-01-10 04:10:50,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:10:50,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:10:50,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:10:50,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:10:50,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,568 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 500 [2022-01-10 04:10:50,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:10:50,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:10:50,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:10:50,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:10:50,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:10:50,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:10:50,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:10:50,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:10:50,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (1/1) ... [2022-01-10 04:10:50,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:10:50,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:10:50,635 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 04:10:50,653 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 04:10:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:10:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:10:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:10:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:10:50,736 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:10:50,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:10:50,762 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:10:51,105 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-10 04:10:51,105 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-10 04:10:51,105 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:10:51,110 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:10:51,110 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:10:51,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:10:51 BoogieIcfgContainer [2022-01-10 04:10:51,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:10:51,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:10:51,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:10:51,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:10:51,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:10:50" (1/3) ... [2022-01-10 04:10:51,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea89900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:10:51, skipping insertion in model container [2022-01-10 04:10:51,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:50" (2/3) ... [2022-01-10 04:10:51,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea89900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:10:51, skipping insertion in model container [2022-01-10 04:10:51,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:10:51" (3/3) ... [2022-01-10 04:10:51,117 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c [2022-01-10 04:10:51,120 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:10:51,120 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:10:51,149 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:10:51,153 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 04:10:51,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:10:51,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 04:10:51,168 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:51,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:51,169 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:51,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:51,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2022-01-10 04:10:51,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:51,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172559668] [2022-01-10 04:10:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:51,185 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:51,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:51,188 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 04:10:51,189 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 04:10:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:51,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 04:10:51,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:51,403 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 04:10:51,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:51,404 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:51,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172559668] [2022-01-10 04:10:51,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172559668] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:51,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:51,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:51,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334751645] [2022-01-10 04:10:51,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:51,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:51,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:51,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:51,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:51,436 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:51,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:51,586 INFO L93 Difference]: Finished difference Result 302 states and 514 transitions. [2022-01-10 04:10:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:51,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-01-10 04:10:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:51,598 INFO L225 Difference]: With dead ends: 302 [2022-01-10 04:10:51,598 INFO L226 Difference]: Without dead ends: 149 [2022-01-10 04:10:51,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:51,604 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 31 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:51,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 366 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:51,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-01-10 04:10:51,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 146. [2022-01-10 04:10:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.5103448275862068) internal successors, (219), 145 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 219 transitions. [2022-01-10 04:10:51,641 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 219 transitions. Word has length 44 [2022-01-10 04:10:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:51,641 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 219 transitions. [2022-01-10 04:10:51,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2022-01-10 04:10:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 04:10:51,642 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:51,643 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:51,651 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 04:10:51,849 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 04:10:51,850 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:51,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:51,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1928463050, now seen corresponding path program 1 times [2022-01-10 04:10:51,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:51,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953119554] [2022-01-10 04:10:51,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:51,851 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:51,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:51,853 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 04:10:51,854 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 04:10:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:51,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:51,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:52,002 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 04:10:52,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:52,002 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:52,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953119554] [2022-01-10 04:10:52,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953119554] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:52,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:52,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:52,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797438005] [2022-01-10 04:10:52,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:52,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:52,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:52,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:52,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:52,008 INFO L87 Difference]: Start difference. First operand 146 states and 219 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:52,113 INFO L93 Difference]: Finished difference Result 309 states and 470 transitions. [2022-01-10 04:10:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:52,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-01-10 04:10:52,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:52,115 INFO L225 Difference]: With dead ends: 309 [2022-01-10 04:10:52,115 INFO L226 Difference]: Without dead ends: 171 [2022-01-10 04:10:52,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:52,116 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 14 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:52,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 292 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:52,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-01-10 04:10:52,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2022-01-10 04:10:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 1.4759036144578312) internal successors, (245), 166 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 245 transitions. [2022-01-10 04:10:52,123 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 245 transitions. Word has length 60 [2022-01-10 04:10:52,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:52,123 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 245 transitions. [2022-01-10 04:10:52,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 245 transitions. [2022-01-10 04:10:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 04:10:52,125 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:52,125 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:52,133 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 04:10:52,335 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 04:10:52,336 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:52,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:52,336 INFO L85 PathProgramCache]: Analyzing trace with hash 81763384, now seen corresponding path program 1 times [2022-01-10 04:10:52,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:52,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194998747] [2022-01-10 04:10:52,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:52,338 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:52,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:52,339 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 04:10:52,340 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 04:10:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:52,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:52,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:52,532 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 04:10:52,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:52,532 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:52,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194998747] [2022-01-10 04:10:52,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194998747] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:52,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:52,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:52,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696522852] [2022-01-10 04:10:52,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:52,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:52,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:52,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:52,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:52,537 INFO L87 Difference]: Start difference. First operand 167 states and 245 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:52,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:52,654 INFO L93 Difference]: Finished difference Result 373 states and 563 transitions. [2022-01-10 04:10:52,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:52,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-10 04:10:52,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:52,657 INFO L225 Difference]: With dead ends: 373 [2022-01-10 04:10:52,657 INFO L226 Difference]: Without dead ends: 214 [2022-01-10 04:10:52,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:52,660 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 17 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 288 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 04:10:52,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 288 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:52,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-01-10 04:10:52,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 209. [2022-01-10 04:10:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.4038461538461537) internal successors, (292), 208 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 292 transitions. [2022-01-10 04:10:52,677 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 292 transitions. Word has length 81 [2022-01-10 04:10:52,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:52,677 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 292 transitions. [2022-01-10 04:10:52,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 292 transitions. [2022-01-10 04:10:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 04:10:52,679 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:52,679 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:52,687 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 04:10:52,887 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 04:10:52,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:52,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:52,888 INFO L85 PathProgramCache]: Analyzing trace with hash 329909878, now seen corresponding path program 1 times [2022-01-10 04:10:52,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:52,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498606599] [2022-01-10 04:10:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:52,888 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:52,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:52,889 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 04:10:52,891 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 04:10:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:52,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:52,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:53,058 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 04:10:53,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:53,058 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:53,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498606599] [2022-01-10 04:10:53,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498606599] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:53,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:53,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:53,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728373800] [2022-01-10 04:10:53,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:53,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:53,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:53,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:53,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:53,060 INFO L87 Difference]: Start difference. First operand 209 states and 292 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:53,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:53,160 INFO L93 Difference]: Finished difference Result 437 states and 619 transitions. [2022-01-10 04:10:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:53,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-10 04:10:53,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:53,162 INFO L225 Difference]: With dead ends: 437 [2022-01-10 04:10:53,162 INFO L226 Difference]: Without dead ends: 236 [2022-01-10 04:10:53,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:53,167 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 14 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:53,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 308 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:53,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-01-10 04:10:53,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2022-01-10 04:10:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.3852813852813852) internal successors, (320), 231 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 320 transitions. [2022-01-10 04:10:53,176 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 320 transitions. Word has length 81 [2022-01-10 04:10:53,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:53,178 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 320 transitions. [2022-01-10 04:10:53,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 320 transitions. [2022-01-10 04:10:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-01-10 04:10:53,179 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:53,179 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:53,209 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 04:10:53,384 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 04:10:53,385 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:53,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:53,385 INFO L85 PathProgramCache]: Analyzing trace with hash 265533208, now seen corresponding path program 1 times [2022-01-10 04:10:53,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:53,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86630731] [2022-01-10 04:10:53,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:53,386 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:53,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:53,387 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 04:10:53,387 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 04:10:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:53,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:53,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:53,552 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 04:10:53,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:53,552 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:53,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86630731] [2022-01-10 04:10:53,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86630731] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:53,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:53,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:53,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789539664] [2022-01-10 04:10:53,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:53,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:53,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:53,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:53,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:53,554 INFO L87 Difference]: Start difference. First operand 232 states and 320 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:53,665 INFO L93 Difference]: Finished difference Result 494 states and 695 transitions. [2022-01-10 04:10:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:53,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-01-10 04:10:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:53,667 INFO L225 Difference]: With dead ends: 494 [2022-01-10 04:10:53,667 INFO L226 Difference]: Without dead ends: 270 [2022-01-10 04:10:53,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:53,667 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 30 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:53,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 307 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:53,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-01-10 04:10:53,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 257. [2022-01-10 04:10:53,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.3671875) internal successors, (350), 256 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 350 transitions. [2022-01-10 04:10:53,672 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 350 transitions. Word has length 102 [2022-01-10 04:10:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:53,672 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 350 transitions. [2022-01-10 04:10:53,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 350 transitions. [2022-01-10 04:10:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 04:10:53,673 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:53,673 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:53,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:53,883 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 04:10:53,883 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:53,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:53,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1932137040, now seen corresponding path program 1 times [2022-01-10 04:10:53,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:53,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312387196] [2022-01-10 04:10:53,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:53,885 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:53,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:53,885 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 04:10:53,886 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 04:10:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:53,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:53,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:54,096 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 04:10:54,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:54,096 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:54,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312387196] [2022-01-10 04:10:54,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312387196] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:54,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:54,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:54,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756751946] [2022-01-10 04:10:54,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:54,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:54,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:54,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:54,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:54,098 INFO L87 Difference]: Start difference. First operand 257 states and 350 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:54,122 INFO L93 Difference]: Finished difference Result 753 states and 1025 transitions. [2022-01-10 04:10:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:54,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-01-10 04:10:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:54,124 INFO L225 Difference]: With dead ends: 753 [2022-01-10 04:10:54,124 INFO L226 Difference]: Without dead ends: 504 [2022-01-10 04:10:54,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:54,125 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 137 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:54,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 464 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:54,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-01-10 04:10:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2022-01-10 04:10:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.3558648111332008) internal successors, (682), 503 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 682 transitions. [2022-01-10 04:10:54,132 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 682 transitions. Word has length 121 [2022-01-10 04:10:54,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:54,132 INFO L470 AbstractCegarLoop]: Abstraction has 504 states and 682 transitions. [2022-01-10 04:10:54,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 682 transitions. [2022-01-10 04:10:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:54,134 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:54,134 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 04:10:54,143 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 04:10:54,343 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 04:10:54,344 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:54,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:54,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1552830339, now seen corresponding path program 1 times [2022-01-10 04:10:54,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:54,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641024250] [2022-01-10 04:10:54,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:54,345 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:54,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:54,347 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 04:10:54,348 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 04:10:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:54,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:54,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:54,545 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 04:10:54,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:54,545 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:54,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641024250] [2022-01-10 04:10:54,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641024250] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:54,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:54,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:54,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454286964] [2022-01-10 04:10:54,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:54,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:54,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:54,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:54,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:54,547 INFO L87 Difference]: Start difference. First operand 504 states and 682 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 04:10:54,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:54,571 INFO L93 Difference]: Finished difference Result 1244 states and 1685 transitions. [2022-01-10 04:10:54,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:54,571 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 04:10:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:54,573 INFO L225 Difference]: With dead ends: 1244 [2022-01-10 04:10:54,573 INFO L226 Difference]: Without dead ends: 748 [2022-01-10 04:10:54,574 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 04:10:54,574 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 134 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:54,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 497 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:54,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2022-01-10 04:10:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2022-01-10 04:10:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 747 states have (on average 1.3534136546184738) internal successors, (1011), 747 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1011 transitions. [2022-01-10 04:10:54,585 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1011 transitions. Word has length 122 [2022-01-10 04:10:54,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:54,586 INFO L470 AbstractCegarLoop]: Abstraction has 748 states and 1011 transitions. [2022-01-10 04:10:54,586 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 04:10:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1011 transitions. [2022-01-10 04:10:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:54,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:54,587 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 04:10:54,594 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 04:10:54,794 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 04:10:54,795 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:54,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:54,795 INFO L85 PathProgramCache]: Analyzing trace with hash 323652479, now seen corresponding path program 1 times [2022-01-10 04:10:54,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:54,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777422943] [2022-01-10 04:10:54,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:54,796 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:54,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:54,797 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 04:10:54,807 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 04:10:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:54,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:54,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:54,990 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 04:10:54,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:54,991 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:54,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777422943] [2022-01-10 04:10:54,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777422943] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:54,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:54,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:54,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694924625] [2022-01-10 04:10:54,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:54,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:54,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:54,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:54,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:54,992 INFO L87 Difference]: Start difference. First operand 748 states and 1011 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 04:10:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:55,008 INFO L93 Difference]: Finished difference Result 1512 states and 2040 transitions. [2022-01-10 04:10:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:55,009 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 04:10:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:55,011 INFO L225 Difference]: With dead ends: 1512 [2022-01-10 04:10:55,011 INFO L226 Difference]: Without dead ends: 772 [2022-01-10 04:10:55,012 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 04:10:55,012 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:55,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 390 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:55,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2022-01-10 04:10:55,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2022-01-10 04:10:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 771 states have (on average 1.3488975356679638) internal successors, (1040), 771 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1040 transitions. [2022-01-10 04:10:55,023 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1040 transitions. Word has length 122 [2022-01-10 04:10:55,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:55,023 INFO L470 AbstractCegarLoop]: Abstraction has 772 states and 1040 transitions. [2022-01-10 04:10:55,023 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 04:10:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1040 transitions. [2022-01-10 04:10:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 04:10:55,025 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:55,025 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 04:10:55,033 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 04:10:55,231 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 04:10:55,232 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1712946493, now seen corresponding path program 1 times [2022-01-10 04:10:55,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:55,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840228415] [2022-01-10 04:10:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:55,233 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:55,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:55,234 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 04:10:55,234 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 04:10:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:55,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:55,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:55,406 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 04:10:55,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:55,407 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:55,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840228415] [2022-01-10 04:10:55,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840228415] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:55,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:55,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:55,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033319734] [2022-01-10 04:10:55,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:55,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:55,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:55,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:55,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:55,408 INFO L87 Difference]: Start difference. First operand 772 states and 1040 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 04:10:55,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:55,421 INFO L93 Difference]: Finished difference Result 1549 states and 2082 transitions. [2022-01-10 04:10:55,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:55,422 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 04:10:55,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:55,424 INFO L225 Difference]: With dead ends: 1549 [2022-01-10 04:10:55,424 INFO L226 Difference]: Without dead ends: 785 [2022-01-10 04:10:55,425 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 04:10:55,425 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 6 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:55,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 370 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:55,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-01-10 04:10:55,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2022-01-10 04:10:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 784 states have (on average 1.343112244897959) internal successors, (1053), 784 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1053 transitions. [2022-01-10 04:10:55,435 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1053 transitions. Word has length 122 [2022-01-10 04:10:55,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:55,435 INFO L470 AbstractCegarLoop]: Abstraction has 785 states and 1053 transitions. [2022-01-10 04:10:55,436 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 04:10:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1053 transitions. [2022-01-10 04:10:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-01-10 04:10:55,437 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:55,437 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, 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] [2022-01-10 04:10:55,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:55,643 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 04:10:55,644 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:55,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1470040731, now seen corresponding path program 1 times [2022-01-10 04:10:55,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:55,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933305661] [2022-01-10 04:10:55,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:55,645 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:55,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:55,646 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 04:10:55,648 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 04:10:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:55,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:55,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 04:10:55,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:55,885 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:55,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933305661] [2022-01-10 04:10:55,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933305661] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:55,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:55,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:55,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689646768] [2022-01-10 04:10:55,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:55,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:55,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:55,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:55,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:55,887 INFO L87 Difference]: Start difference. First operand 785 states and 1053 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 04:10:56,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:56,001 INFO L93 Difference]: Finished difference Result 1644 states and 2252 transitions. [2022-01-10 04:10:56,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:56,001 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 162 [2022-01-10 04:10:56,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:56,004 INFO L225 Difference]: With dead ends: 1644 [2022-01-10 04:10:56,004 INFO L226 Difference]: Without dead ends: 880 [2022-01-10 04:10:56,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:56,005 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 16 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:56,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 304 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:56,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2022-01-10 04:10:56,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 869. [2022-01-10 04:10:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 868 states have (on average 1.3214285714285714) internal successors, (1147), 868 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:56,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1147 transitions. [2022-01-10 04:10:56,016 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1147 transitions. Word has length 162 [2022-01-10 04:10:56,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:56,016 INFO L470 AbstractCegarLoop]: Abstraction has 869 states and 1147 transitions. [2022-01-10 04:10:56,016 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 04:10:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1147 transitions. [2022-01-10 04:10:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-01-10 04:10:56,018 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:56,018 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, 4, 4, 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] [2022-01-10 04:10:56,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-01-10 04:10:56,224 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 04:10:56,225 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:56,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:56,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1635145685, now seen corresponding path program 1 times [2022-01-10 04:10:56,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:56,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379426648] [2022-01-10 04:10:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:56,226 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:56,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:56,227 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 04:10:56,228 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 04:10:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:56,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:56,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-01-10 04:10:56,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:56,526 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:56,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379426648] [2022-01-10 04:10:56,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379426648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:56,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:56,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:56,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556776772] [2022-01-10 04:10:56,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:56,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:56,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:56,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:56,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:56,527 INFO L87 Difference]: Start difference. First operand 869 states and 1147 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 04:10:56,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:56,636 INFO L93 Difference]: Finished difference Result 1810 states and 2443 transitions. [2022-01-10 04:10:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:56,637 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 204 [2022-01-10 04:10:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:56,639 INFO L225 Difference]: With dead ends: 1810 [2022-01-10 04:10:56,639 INFO L226 Difference]: Without dead ends: 962 [2022-01-10 04:10:56,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:56,640 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 13 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:56,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 302 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:56,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-01-10 04:10:56,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2022-01-10 04:10:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 961 states have (on average 1.3059313215400625) internal successors, (1255), 961 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1255 transitions. [2022-01-10 04:10:56,651 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1255 transitions. Word has length 204 [2022-01-10 04:10:56,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:56,652 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1255 transitions. [2022-01-10 04:10:56,652 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 04:10:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1255 transitions. [2022-01-10 04:10:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-01-10 04:10:56,653 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:56,654 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, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:56,662 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 04:10:56,860 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 04:10:56,860 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:56,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:56,861 INFO L85 PathProgramCache]: Analyzing trace with hash -344869126, now seen corresponding path program 1 times [2022-01-10 04:10:56,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:56,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247867552] [2022-01-10 04:10:56,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:56,861 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:56,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:56,862 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 04:10:56,863 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 04:10:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:56,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:10:56,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 341 proven. 26 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-01-10 04:10:57,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:10:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 341 proven. 26 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-01-10 04:10:57,426 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:57,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247867552] [2022-01-10 04:10:57,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247867552] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:10:57,427 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:10:57,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-01-10 04:10:57,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668309148] [2022-01-10 04:10:57,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:10:57,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:10:57,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:57,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:10:57,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:10:57,428 INFO L87 Difference]: Start difference. First operand 962 states and 1255 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:57,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:57,646 INFO L93 Difference]: Finished difference Result 3090 states and 4171 transitions. [2022-01-10 04:10:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:10:57,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2022-01-10 04:10:57,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:57,652 INFO L225 Difference]: With dead ends: 3090 [2022-01-10 04:10:57,652 INFO L226 Difference]: Without dead ends: 2149 [2022-01-10 04:10:57,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 461 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 04:10:57,655 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 174 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:57,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 782 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 04:10:57,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2022-01-10 04:10:57,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1862. [2022-01-10 04:10:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1862 states, 1861 states have (on average 1.30843632455669) internal successors, (2435), 1861 states have internal predecessors, (2435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2435 transitions. [2022-01-10 04:10:57,679 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2435 transitions. Word has length 232 [2022-01-10 04:10:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:57,679 INFO L470 AbstractCegarLoop]: Abstraction has 1862 states and 2435 transitions. [2022-01-10 04:10:57,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2435 transitions. [2022-01-10 04:10:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-01-10 04:10:57,681 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:57,682 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, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:57,690 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 04:10:57,888 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 04:10:57,888 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:57,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1992232068, now seen corresponding path program 1 times [2022-01-10 04:10:57,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:57,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050301525] [2022-01-10 04:10:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:57,889 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:57,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:57,890 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 04:10:57,892 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 04:10:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:57,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:57,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-01-10 04:10:58,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:58,239 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:58,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050301525] [2022-01-10 04:10:58,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050301525] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:58,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:58,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:58,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474707557] [2022-01-10 04:10:58,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:58,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:58,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:58,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:58,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:58,240 INFO L87 Difference]: Start difference. First operand 1862 states and 2435 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:58,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:58,268 INFO L93 Difference]: Finished difference Result 4602 states and 6018 transitions. [2022-01-10 04:10:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:58,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2022-01-10 04:10:58,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:58,275 INFO L225 Difference]: With dead ends: 4602 [2022-01-10 04:10:58,275 INFO L226 Difference]: Without dead ends: 2761 [2022-01-10 04:10:58,277 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 04:10:58,277 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 132 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:58,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 525 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:58,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2022-01-10 04:10:58,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 2594. [2022-01-10 04:10:58,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 2593 states have (on average 1.30736598534516) internal successors, (3390), 2593 states have internal predecessors, (3390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3390 transitions. [2022-01-10 04:10:58,318 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3390 transitions. Word has length 232 [2022-01-10 04:10:58,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:58,318 INFO L470 AbstractCegarLoop]: Abstraction has 2594 states and 3390 transitions. [2022-01-10 04:10:58,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3390 transitions. [2022-01-10 04:10:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-01-10 04:10:58,321 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:58,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:58,328 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 04:10:58,528 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 04:10:58,528 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:58,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:58,529 INFO L85 PathProgramCache]: Analyzing trace with hash -893859196, now seen corresponding path program 1 times [2022-01-10 04:10:58,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:58,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590966952] [2022-01-10 04:10:58,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:58,529 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:58,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:58,530 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 04:10:58,531 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 04:10:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:58,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:58,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-01-10 04:10:58,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:58,885 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:58,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590966952] [2022-01-10 04:10:58,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590966952] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:58,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:58,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:58,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716285222] [2022-01-10 04:10:58,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:58,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:58,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:58,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:58,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:58,886 INFO L87 Difference]: Start difference. First operand 2594 states and 3390 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:59,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:59,005 INFO L93 Difference]: Finished difference Result 4482 states and 5976 transitions. [2022-01-10 04:10:59,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:59,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2022-01-10 04:10:59,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:59,009 INFO L225 Difference]: With dead ends: 4482 [2022-01-10 04:10:59,009 INFO L226 Difference]: Without dead ends: 1203 [2022-01-10 04:10:59,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 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 04:10:59,012 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 12 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 309 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 04:10:59,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 309 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:59,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-01-10 04:10:59,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1203. [2022-01-10 04:10:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1202 states have (on average 1.262063227953411) internal successors, (1517), 1202 states have internal predecessors, (1517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1517 transitions. [2022-01-10 04:10:59,025 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1517 transitions. Word has length 269 [2022-01-10 04:10:59,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:59,025 INFO L470 AbstractCegarLoop]: Abstraction has 1203 states and 1517 transitions. [2022-01-10 04:10:59,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1517 transitions. [2022-01-10 04:10:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-01-10 04:10:59,028 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:59,028 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:59,037 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 04:10:59,234 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 04:10:59,235 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:59,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1368521511, now seen corresponding path program 1 times [2022-01-10 04:10:59,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:59,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470708068] [2022-01-10 04:10:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:59,236 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:59,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:59,237 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 04:10:59,239 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 04:10:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:59,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:59,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-01-10 04:10:59,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:59,633 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:59,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470708068] [2022-01-10 04:10:59,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470708068] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:59,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:59,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:59,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883043242] [2022-01-10 04:10:59,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:59,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:59,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:59,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:59,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:59,634 INFO L87 Difference]: Start difference. First operand 1203 states and 1517 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:59,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:59,741 INFO L93 Difference]: Finished difference Result 2490 states and 3195 transitions. [2022-01-10 04:10:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:59,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 279 [2022-01-10 04:10:59,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:59,744 INFO L225 Difference]: With dead ends: 2490 [2022-01-10 04:10:59,744 INFO L226 Difference]: Without dead ends: 1308 [2022-01-10 04:10:59,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 277 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 04:10:59,747 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 19 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 300 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 04:10:59,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 300 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:59,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-01-10 04:10:59,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1284. [2022-01-10 04:10:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 1283 states have (on average 1.2572096648480124) internal successors, (1613), 1283 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1613 transitions. [2022-01-10 04:10:59,766 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1613 transitions. Word has length 279 [2022-01-10 04:10:59,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:59,767 INFO L470 AbstractCegarLoop]: Abstraction has 1284 states and 1613 transitions. [2022-01-10 04:10:59,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1613 transitions. [2022-01-10 04:10:59,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-01-10 04:10:59,769 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:59,770 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, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 04:10:59,778 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 04:10:59,976 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 04:10:59,976 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:59,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:59,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1848173597, now seen corresponding path program 1 times [2022-01-10 04:10:59,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:59,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781265412] [2022-01-10 04:10:59,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:59,977 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:59,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:59,978 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 04:10:59,979 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 04:11:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:00,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:11:00,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:00,363 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 531 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-01-10 04:11:00,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:11:00,363 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:00,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781265412] [2022-01-10 04:11:00,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781265412] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:11:00,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:11:00,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:11:00,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302552433] [2022-01-10 04:11:00,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:11:00,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:11:00,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:00,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:11:00,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:00,364 INFO L87 Difference]: Start difference. First operand 1284 states and 1613 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:00,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:00,459 INFO L93 Difference]: Finished difference Result 2640 states and 3366 transitions. [2022-01-10 04:11:00,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:11:00,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 302 [2022-01-10 04:11:00,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:00,463 INFO L225 Difference]: With dead ends: 2640 [2022-01-10 04:11:00,463 INFO L226 Difference]: Without dead ends: 1377 [2022-01-10 04:11:00,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:00,464 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 300 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 04:11:00,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 300 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:11:00,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2022-01-10 04:11:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1371. [2022-01-10 04:11:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1371 states, 1370 states have (on average 1.2518248175182483) internal successors, (1715), 1370 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1715 transitions. [2022-01-10 04:11:00,481 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1715 transitions. Word has length 302 [2022-01-10 04:11:00,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:00,481 INFO L470 AbstractCegarLoop]: Abstraction has 1371 states and 1715 transitions. [2022-01-10 04:11:00,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1715 transitions. [2022-01-10 04:11:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-01-10 04:11:00,484 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:00,484 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:00,494 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 04:11:00,691 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 04:11:00,691 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:00,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:00,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1454996061, now seen corresponding path program 1 times [2022-01-10 04:11:00,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:00,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034194882] [2022-01-10 04:11:00,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:00,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:00,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:00,693 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 04:11:00,694 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 04:11:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:00,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 04:11:00,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 612 proven. 0 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2022-01-10 04:11:01,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:11:01,239 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:01,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034194882] [2022-01-10 04:11:01,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034194882] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:11:01,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:11:01,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 04:11:01,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519691462] [2022-01-10 04:11:01,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:11:01,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:11:01,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:01,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:11:01,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:11:01,241 INFO L87 Difference]: Start difference. First operand 1371 states and 1715 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:01,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:01,341 INFO L93 Difference]: Finished difference Result 5322 states and 6662 transitions. [2022-01-10 04:11:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:11:01,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 335 [2022-01-10 04:11:01,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:01,350 INFO L225 Difference]: With dead ends: 5322 [2022-01-10 04:11:01,351 INFO L226 Difference]: Without dead ends: 3972 [2022-01-10 04:11:01,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:11:01,354 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 381 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:11:01,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 1342 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2022-01-10 04:11:01,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3972 states. [2022-01-10 04:11:01,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3972 to 2571. [2022-01-10 04:11:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2570 states have (on average 1.2571984435797665) internal successors, (3231), 2570 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3231 transitions. [2022-01-10 04:11:01,405 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3231 transitions. Word has length 335 [2022-01-10 04:11:01,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:01,406 INFO L470 AbstractCegarLoop]: Abstraction has 2571 states and 3231 transitions. [2022-01-10 04:11:01,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3231 transitions. [2022-01-10 04:11:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-01-10 04:11:01,410 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:01,410 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:01,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-01-10 04:11:01,616 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 04:11:01,617 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:01,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash 249024121, now seen corresponding path program 1 times [2022-01-10 04:11:01,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:01,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570793760] [2022-01-10 04:11:01,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:01,618 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:01,619 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 04:11:01,621 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 04:11:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:01,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:11:01,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 735 proven. 26 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-01-10 04:11:02,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:11:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 735 proven. 26 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-01-10 04:11:02,470 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:02,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570793760] [2022-01-10 04:11:02,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570793760] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:11:02,470 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:11:02,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-01-10 04:11:02,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474578940] [2022-01-10 04:11:02,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:11:02,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:11:02,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:02,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:11:02,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:11:02,472 INFO L87 Difference]: Start difference. First operand 2571 states and 3231 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:02,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:02,659 INFO L93 Difference]: Finished difference Result 7905 states and 10051 transitions. [2022-01-10 04:11:02,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:11:02,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 336 [2022-01-10 04:11:02,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:02,671 INFO L225 Difference]: With dead ends: 7905 [2022-01-10 04:11:02,671 INFO L226 Difference]: Without dead ends: 5355 [2022-01-10 04:11:02,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 669 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 04:11:02,673 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 171 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:11:02,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 636 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:11:02,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5355 states. [2022-01-10 04:11:02,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5355 to 3273. [2022-01-10 04:11:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3273 states, 3272 states have (on average 1.2845354523227384) internal successors, (4203), 3272 states have internal predecessors, (4203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:02,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3273 states to 3273 states and 4203 transitions. [2022-01-10 04:11:02,737 INFO L78 Accepts]: Start accepts. Automaton has 3273 states and 4203 transitions. Word has length 336 [2022-01-10 04:11:02,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:02,737 INFO L470 AbstractCegarLoop]: Abstraction has 3273 states and 4203 transitions. [2022-01-10 04:11:02,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:02,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3273 states and 4203 transitions. [2022-01-10 04:11:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-01-10 04:11:02,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:02,741 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, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:02,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-01-10 04:11:02,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:02,948 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:02,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:02,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1383791680, now seen corresponding path program 1 times [2022-01-10 04:11:02,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:02,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357087408] [2022-01-10 04:11:02,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:02,949 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:02,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:02,950 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:11:02,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-01-10 04:11:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:03,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:11:03,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1372 backedges. 761 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2022-01-10 04:11:03,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:11:03,421 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:03,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357087408] [2022-01-10 04:11:03,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357087408] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:11:03,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:11:03,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:11:03,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915240626] [2022-01-10 04:11:03,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:11:03,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:11:03,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:03,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:11:03,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:03,423 INFO L87 Difference]: Start difference. First operand 3273 states and 4203 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 04:11:03,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:03,524 INFO L93 Difference]: Finished difference Result 6785 states and 8823 transitions. [2022-01-10 04:11:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:11:03,525 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 366 [2022-01-10 04:11:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:03,544 INFO L225 Difference]: With dead ends: 6785 [2022-01-10 04:11:03,544 INFO L226 Difference]: Without dead ends: 3533 [2022-01-10 04:11:03,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:03,547 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 13 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:11:03,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 306 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:11:03,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3533 states. [2022-01-10 04:11:03,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3533 to 3393. [2022-01-10 04:11:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 3392 states have (on average 1.283313679245283) internal successors, (4353), 3392 states have internal predecessors, (4353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4353 transitions. [2022-01-10 04:11:03,621 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4353 transitions. Word has length 366 [2022-01-10 04:11:03,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:03,621 INFO L470 AbstractCegarLoop]: Abstraction has 3393 states and 4353 transitions. [2022-01-10 04:11:03,621 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 04:11:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4353 transitions. [2022-01-10 04:11:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-01-10 04:11:03,624 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:03,624 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, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:03,635 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 04:11:03,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:03,835 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:03,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:03,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2012243985, now seen corresponding path program 1 times [2022-01-10 04:11:03,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:03,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626872974] [2022-01-10 04:11:03,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:03,836 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:03,837 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:11:03,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-01-10 04:11:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:03,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:11:03,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1372 backedges. 814 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2022-01-10 04:11:04,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:11:04,294 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:04,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626872974] [2022-01-10 04:11:04,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626872974] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:11:04,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:11:04,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:11:04,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986098295] [2022-01-10 04:11:04,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:11:04,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:11:04,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:04,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:11:04,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:04,297 INFO L87 Difference]: Start difference. First operand 3393 states and 4353 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:04,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:04,435 INFO L93 Difference]: Finished difference Result 7197 states and 9461 transitions. [2022-01-10 04:11:04,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:11:04,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2022-01-10 04:11:04,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:04,440 INFO L225 Difference]: With dead ends: 7197 [2022-01-10 04:11:04,440 INFO L226 Difference]: Without dead ends: 3825 [2022-01-10 04:11:04,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:04,445 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 300 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 04:11:04,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 300 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:11:04,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2022-01-10 04:11:04,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3801. [2022-01-10 04:11:04,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3801 states, 3800 states have (on average 1.2686842105263159) internal successors, (4821), 3800 states have internal predecessors, (4821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3801 states to 3801 states and 4821 transitions. [2022-01-10 04:11:04,514 INFO L78 Accepts]: Start accepts. Automaton has 3801 states and 4821 transitions. Word has length 367 [2022-01-10 04:11:04,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:04,518 INFO L470 AbstractCegarLoop]: Abstraction has 3801 states and 4821 transitions. [2022-01-10 04:11:04,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3801 states and 4821 transitions. [2022-01-10 04:11:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-01-10 04:11:04,522 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:04,522 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, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:04,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-01-10 04:11:04,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:04,729 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:04,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:04,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1488139641, now seen corresponding path program 1 times [2022-01-10 04:11:04,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:04,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193979935] [2022-01-10 04:11:04,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:04,730 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:04,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:04,731 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:11:04,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-01-10 04:11:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:04,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:11:04,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 962 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-01-10 04:11:05,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:11:05,243 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:05,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193979935] [2022-01-10 04:11:05,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193979935] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:11:05,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:11:05,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:11:05,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852438313] [2022-01-10 04:11:05,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:11:05,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:11:05,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:05,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:11:05,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:05,244 INFO L87 Difference]: Start difference. First operand 3801 states and 4821 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:05,381 INFO L93 Difference]: Finished difference Result 7369 states and 9399 transitions. [2022-01-10 04:11:05,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:11:05,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 398 [2022-01-10 04:11:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:05,388 INFO L225 Difference]: With dead ends: 7369 [2022-01-10 04:11:05,388 INFO L226 Difference]: Without dead ends: 3589 [2022-01-10 04:11:05,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:11:05,391 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 300 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 04:11:05,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 300 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:11:05,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2022-01-10 04:11:05,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3281. [2022-01-10 04:11:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3281 states, 3280 states have (on average 1.2179878048780488) internal successors, (3995), 3280 states have internal predecessors, (3995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 3995 transitions. [2022-01-10 04:11:05,435 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 3995 transitions. Word has length 398 [2022-01-10 04:11:05,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:05,435 INFO L470 AbstractCegarLoop]: Abstraction has 3281 states and 3995 transitions. [2022-01-10 04:11:05,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3995 transitions. [2022-01-10 04:11:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-01-10 04:11:05,438 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:11:05,439 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:05,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-01-10 04:11:05,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:05,646 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:11:05,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:11:05,646 INFO L85 PathProgramCache]: Analyzing trace with hash 89040274, now seen corresponding path program 1 times [2022-01-10 04:11:05,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:11:05,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575601308] [2022-01-10 04:11:05,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:11:05,647 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:11:05,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:11:05,648 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:11:05,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-01-10 04:11:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:11:05,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:11:05,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:11:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 947 proven. 26 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-01-10 04:11:06,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:11:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 947 proven. 26 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-01-10 04:11:06,663 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:11:06,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575601308] [2022-01-10 04:11:06,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575601308] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:11:06,663 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:11:06,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:11:06,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368131723] [2022-01-10 04:11:06,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:11:06,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 04:11:06,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:11:06,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 04:11:06,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 04:11:06,669 INFO L87 Difference]: Start difference. First operand 3281 states and 3995 transitions. Second operand has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:06,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:11:06,947 INFO L93 Difference]: Finished difference Result 4607 states and 5631 transitions. [2022-01-10 04:11:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 04:11:06,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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 468 [2022-01-10 04:11:06,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:11:06,949 INFO L225 Difference]: With dead ends: 4607 [2022-01-10 04:11:06,949 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:11:06,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:11:06,953 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 246 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 04:11:06,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 566 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 04:11:06,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:11:06,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:11:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:11:06,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 468 [2022-01-10 04:11:06,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:11:06,954 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:11:06,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:11:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:11:06,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:11:06,956 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:11:06,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2022-01-10 04:11:07,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:11:07,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:11:08,856 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2022-01-10 04:11:08,856 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2022-01-10 04:11:08,856 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 417) no Hoare annotation was computed. [2022-01-10 04:11:08,856 INFO L854 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8656 32))) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) [2022-01-10 04:11:08,856 INFO L854 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,856 INFO L861 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: true [2022-01-10 04:11:08,856 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-01-10 04:11:08,856 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 502) no Hoare annotation was computed. [2022-01-10 04:11:08,856 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-01-10 04:11:08,856 INFO L861 garLoopResultBuilder]: At program point L632(lines 623 634) the Hoare annotation is: true [2022-01-10 04:11:08,856 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 437 445) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 510) no Hoare annotation was computed. [2022-01-10 04:11:08,857 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) .cse0) (and .cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8656 32)))))) [2022-01-10 04:11:08,857 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,857 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 443) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 379) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse5 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))) (.cse7 (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8656 32)))) (.cse10 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse9 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))) (.cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse8 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse2 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse6 (= |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)) .cse7) (and .cse0 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse6 .cse1 .cse8) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8466 32))) (and .cse0 .cse9 (= (_ 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 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse9) (and .cse0 .cse9 .cse5) (and .cse3 .cse4 .cse10) (and .cse0 .cse7 .cse1) (and .cse0 .cse1 .cse10) (and .cse0 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse9) (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (and .cse3 .cse6 .cse8) (and .cse3 .cse0 .cse2) (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 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L507-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L854 garLoopResultBuilder]: At program point L408(lines 399 417) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L854 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse0 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)) .cse0) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse0) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)) .cse0))) [2022-01-10 04:11:08,858 INFO L854 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8656 32))) .cse0) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32)) .cse0))) [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2022-01-10 04:11:08,858 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 378) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L344-1(lines 344 378) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 413) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 375) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L854 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)))) (or (and .cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8656 32))) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) .cse0))) [2022-01-10 04:11:08,859 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: false [2022-01-10 04:11:08,859 INFO L861 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 322) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 322) no Hoare annotation was computed. [2022-01-10 04:11:08,859 INFO L861 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: true [2022-01-10 04:11:08,859 INFO L854 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,860 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8656 32))) .cse0) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse0))) [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 373) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: true [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 453) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 321) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 488) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 419) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-01-10 04:11:08,860 INFO L854 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: false [2022-01-10 04:11:08,861 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,861 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 463) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L861 garLoopResultBuilder]: At program point L620(lines 22 622) the Hoare annotation is: true [2022-01-10 04:11:08,861 INFO L854 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse5 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))) (.cse7 (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8656 32)))) (.cse10 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse9 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))) (.cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse8 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse2 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse6 (= |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)) .cse7) (and .cse0 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse6 .cse1 .cse8) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8466 32))) (and .cse0 .cse9 (= (_ bv8576 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse9) (and .cse0 .cse9 .cse5) (and .cse3 .cse4 .cse10) (and .cse0 .cse7 .cse1) (and .cse0 .cse1 .cse10) (and .cse0 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse9) (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (and .cse3 .cse6 .cse8) (and .cse3 .cse0 .cse2) (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 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 493) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L489-2(lines 489 493) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-01-10 04:11:08,861 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L854 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2022-01-10 04:11:08,862 INFO L854 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8656 32)))) [2022-01-10 04:11:08,862 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 369) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L854 garLoopResultBuilder]: At program point L362(lines 338 380) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 431) no Hoare annotation was computed. [2022-01-10 04:11:08,862 INFO L854 garLoopResultBuilder]: At program point L396(lines 387 419) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 04:11:08,862 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: false [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 366) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 300) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L298-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L332-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-01-10 04:11:08,863 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2022-01-10 04:11:08,865 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:11:08,866 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:11:08,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:11:08 BoogieIcfgContainer [2022-01-10 04:11:08,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:11:08,882 INFO L158 Benchmark]: Toolchain (without parser) took 18693.66ms. Allocated memory was 189.8MB in the beginning and 307.2MB in the end (delta: 117.4MB). Free memory was 137.7MB in the beginning and 223.3MB in the end (delta: -85.5MB). Peak memory consumption was 163.8MB. Max. memory is 8.0GB. [2022-01-10 04:11:08,882 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:11:08,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.61ms. Allocated memory is still 189.8MB. Free memory was 137.6MB in the beginning and 160.2MB in the end (delta: -22.6MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-01-10 04:11:08,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.25ms. Allocated memory is still 189.8MB. Free memory was 160.2MB in the beginning and 157.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 04:11:08,882 INFO L158 Benchmark]: Boogie Preprocessor took 26.35ms. Allocated memory is still 189.8MB. Free memory was 157.6MB in the beginning and 154.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 04:11:08,883 INFO L158 Benchmark]: RCFGBuilder took 512.86ms. Allocated memory is still 189.8MB. Free memory was 154.9MB in the beginning and 128.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-10 04:11:08,883 INFO L158 Benchmark]: TraceAbstraction took 17768.78ms. Allocated memory was 189.8MB in the beginning and 307.2MB in the end (delta: 117.4MB). Free memory was 127.7MB in the beginning and 223.3MB in the end (delta: -95.6MB). Peak memory consumption was 154.6MB. Max. memory is 8.0GB. [2022-01-10 04:11:08,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 328.61ms. Allocated memory is still 189.8MB. Free memory was 137.6MB in the beginning and 160.2MB in the end (delta: -22.6MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.25ms. Allocated memory is still 189.8MB. Free memory was 160.2MB in the beginning and 157.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.35ms. Allocated memory is still 189.8MB. Free memory was 157.6MB in the beginning and 154.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 512.86ms. Allocated memory is still 189.8MB. Free memory was 154.9MB in the beginning and 128.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 17768.78ms. Allocated memory was 189.8MB in the beginning and 307.2MB in the end (delta: 117.4MB). Free memory was 127.7MB in the beginning and 223.3MB in the end (delta: -95.6MB). Peak memory consumption was 154.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.7s, OverallIterations: 22, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1603 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1603 mSDsluCounter, 9554 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 9 IncrementalHoareTripleChecker+Unchecked, 4279 mSDsCounter, 412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2436 IncrementalHoareTripleChecker+Invalid, 2857 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 412 mSolverCounterUnsat, 5275 mSDtfsCounter, 2436 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5829 GetRequests, 5793 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3801occurred in iteration=20, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 4479 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 205 NumberOfFragments, 623 HoareAnnotationTreeSize, 28 FomulaSimplifications, 1988 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 28 FomulaSimplificationsInter, 4052 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 4805 NumberOfCodeBlocks, 4805 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5816 ConstructedInterpolants, 1 QuantifiedInterpolants, 8067 SizeOfPredicates, 9 NumberOfNonLiveVariables, 5728 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 17087/17243 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: blastFlag == 2bv32 && !(8656bv32 == s__state) - 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) || (blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: blastFlag == 2bv32 && !(8656bv32 == s__state) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && 8608bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8656bv32) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && !(8656bv32 == s__state)) || (blastFlag == 0bv32 && !(8656bv32 == s__state)) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && 8656bv32 == s__state) || ((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state)) || (blastFlag == 2bv32 && 8560bv32 == s__state)) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || (blastFlag == 2bv32 && 8544bv32 == s__state)) || ((blastFlag == 3bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && 8672bv32 == s__state)) || ((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && s__state == 8466bv32)) || ((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)) || ((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8640bv32 == s__state)) || ((blastFlag == 2bv32 && 8496bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8656bv32))) || ((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && 8640bv32 == s__state)) || (blastFlag == 2bv32 && 8512bv32 == s__state)) || ((blastFlag == 2bv32 && 8608bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32)) || 3bv32 == s__state) || ((!(s__hit == 0bv32) && blastFlag == 3bv32) && 8672bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 2bv32) && 8656bv32 == s__state)) || ((blastFlag == 2bv32 && 8528bv32 == s__state) && ~sign_extendFrom8To32(s__s3__tmp__new_cipher__algorithms) == __cil_tmp56) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && !(8656bv32 == s__state) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: blastFlag == 2bv32 && !(8656bv32 == s__state) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((blastFlag == 3bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && !(8656bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: blastFlag == 2bv32 && !(8656bv32 == s__state) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: blastFlag == 2bv32 && !(8656bv32 == s__state) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: blastFlag == 2bv32 && !(8656bv32 == s__state) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && !(8656bv32 == s__state) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && !(8656bv32 == s__state)) || (blastFlag == 1bv32 && !(8656bv32 == s__state)) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) || ((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && !(8656bv32 == s__state)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: blastFlag == 2bv32 && !(8656bv32 == s__state) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && 8656bv32 == s__state) || ((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8448bv32 == s__state)) || (blastFlag == 2bv32 && 8560bv32 == s__state)) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || (blastFlag == 2bv32 && 8544bv32 == s__state)) || ((blastFlag == 3bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && 8672bv32 == s__state)) || ((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && s__state == 8466bv32)) || ((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)) || ((!(s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8640bv32) && 8640bv32 == s__state)) || ((blastFlag == 2bv32 && 8496bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8656bv32))) || ((blastFlag == 2bv32 && !(s__s3__tmp__next_state___0 == 8656bv32)) && 8640bv32 == s__state)) || (blastFlag == 2bv32 && 8512bv32 == s__state)) || ((blastFlag == 2bv32 && 8608bv32 == s__state) && s__s3__tmp__next_state___0 == 8576bv32)) || 3bv32 == s__state) || ((!(s__hit == 0bv32) && blastFlag == 3bv32) && 8672bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 2bv32) && 8656bv32 == s__state)) || ((blastFlag == 2bv32 && 8528bv32 == s__state) && ~sign_extendFrom8To32(s__s3__tmp__new_cipher__algorithms) == __cil_tmp56) RESULT: Ultimate proved your program to be correct! [2022-01-10 04:11:08,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...