/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_Default.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-09 23:26:23,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-09 23:26:23,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-09 23:26:23,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-09 23:26:23,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-09 23:26:23,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-09 23:26:23,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-09 23:26:23,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-09 23:26:23,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-09 23:26:23,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-09 23:26:23,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-09 23:26:23,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-09 23:26:23,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-09 23:26:23,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-09 23:26:23,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-09 23:26:23,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-09 23:26:23,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-09 23:26:23,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-09 23:26:23,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-09 23:26:23,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-09 23:26:23,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-09 23:26:23,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-09 23:26:23,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-09 23:26:23,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-09 23:26:23,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-09 23:26:23,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-09 23:26:23,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-09 23:26:23,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-09 23:26:23,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-09 23:26:23,524 INFO L138 SettingsManager]: * Use SBE=true [2022-01-09 23:26:23,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-09 23:26:23,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-09 23:26:23,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-09 23:26:23,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-09 23:26:23,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-09 23:26:23,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:26:23,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-09 23:26:23,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-09 23:26:23,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-09 23:26:23,526 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-09 23:26:23,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-09 23:26:23,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-09 23:26:23,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-09 23:26:23,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-09 23:26:23,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-09 23:26:23,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-09 23:26:23,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-09 23:26:23,684 INFO L275 PluginConnector]: CDTParser initialized [2022-01-09 23:26:23,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-01-09 23:26:23,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e8dbfcb/ad6e0f32c684437bb83e1dd95130ccdf/FLAGbacfe8658 [2022-01-09 23:26:24,117 INFO L306 CDTParser]: Found 1 translation units. [2022-01-09 23:26:24,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-01-09 23:26:24,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e8dbfcb/ad6e0f32c684437bb83e1dd95130ccdf/FLAGbacfe8658 [2022-01-09 23:26:24,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e8dbfcb/ad6e0f32c684437bb83e1dd95130ccdf [2022-01-09 23:26:24,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-09 23:26:24,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-09 23:26:24,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-09 23:26:24,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-09 23:26:24,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-09 23:26:24,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d92df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24, skipping insertion in model container [2022-01-09 23:26:24,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-09 23:26:24,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-09 23:26:24,425 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_clnt_1.cil-1.c[35497,35510] [2022-01-09 23:26:24,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:26:24,434 INFO L203 MainTranslator]: Completed pre-run [2022-01-09 23:26:24,466 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_clnt_1.cil-1.c[35497,35510] [2022-01-09 23:26:24,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:26:24,480 INFO L208 MainTranslator]: Completed translation [2022-01-09 23:26:24,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24 WrapperNode [2022-01-09 23:26:24,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-09 23:26:24,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-09 23:26:24,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-09 23:26:24,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-09 23:26:24,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,527 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 506 [2022-01-09 23:26:24,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-09 23:26:24,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-09 23:26:24,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-09 23:26:24,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-09 23:26:24,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-09 23:26:24,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-09 23:26:24,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-09 23:26:24,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-09 23:26:24,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (1/1) ... [2022-01-09 23:26:24,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:26:24,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:26:24,590 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) [2022-01-09 23:26:24,615 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 [2022-01-09 23:26:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-09 23:26:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-09 23:26:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-09 23:26:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-09 23:26:24,694 INFO L234 CfgBuilder]: Building ICFG [2022-01-09 23:26:24,695 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-09 23:26:24,704 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-09 23:26:25,029 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-01-09 23:26:25,029 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-01-09 23:26:25,029 INFO L275 CfgBuilder]: Performing block encoding [2022-01-09 23:26:25,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-09 23:26:25,034 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-09 23:26:25,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:26:25 BoogieIcfgContainer [2022-01-09 23:26:25,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-09 23:26:25,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-09 23:26:25,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-09 23:26:25,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-09 23:26:25,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 11:26:24" (1/3) ... [2022-01-09 23:26:25,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0e4460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:26:25, skipping insertion in model container [2022-01-09 23:26:25,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:26:24" (2/3) ... [2022-01-09 23:26:25,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0e4460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:26:25, skipping insertion in model container [2022-01-09 23:26:25,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:26:25" (3/3) ... [2022-01-09 23:26:25,042 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.c [2022-01-09 23:26:25,045 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-09 23:26:25,045 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-09 23:26:25,076 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-09 23:26:25,080 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 [2022-01-09 23:26:25,080 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-09 23:26:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-09 23:26:25,095 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:25,096 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] [2022-01-09 23:26:25,096 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:25,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1457700990, now seen corresponding path program 1 times [2022-01-09 23:26:25,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:25,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223105478] [2022-01-09 23:26:25,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:25,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:26:25,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:25,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223105478] [2022-01-09 23:26:25,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223105478] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:25,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:25,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:25,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699630712] [2022-01-09 23:26:25,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:25,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:25,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:25,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:25,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:25,302 INFO L87 Difference]: Start difference. First operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 0 states have call successors, (0), 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 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:25,388 INFO L93 Difference]: Finished difference Result 363 states and 617 transitions. [2022-01-09 23:26:25,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:25,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-01-09 23:26:25,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:25,404 INFO L225 Difference]: With dead ends: 363 [2022-01-09 23:26:25,405 INFO L226 Difference]: Without dead ends: 211 [2022-01-09 23:26:25,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:25,411 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 178 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:25,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 396 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:26:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-01-09 23:26:25,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2022-01-09 23:26:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.5) internal successors, (315), 210 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 315 transitions. [2022-01-09 23:26:25,445 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 315 transitions. Word has length 24 [2022-01-09 23:26:25,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:25,445 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 315 transitions. [2022-01-09 23:26:25,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2022-01-09 23:26:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-09 23:26:25,447 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:25,447 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:25,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-09 23:26:25,447 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:25,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:25,448 INFO L85 PathProgramCache]: Analyzing trace with hash 152202379, now seen corresponding path program 1 times [2022-01-09 23:26:25,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:25,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531936090] [2022-01-09 23:26:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:25,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:26:25,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:25,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531936090] [2022-01-09 23:26:25,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531936090] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:25,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:25,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:25,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919534063] [2022-01-09 23:26:25,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:25,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:25,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:25,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:25,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:25,508 INFO L87 Difference]: Start difference. First operand 211 states and 315 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:25,607 INFO L93 Difference]: Finished difference Result 340 states and 513 transitions. [2022-01-09 23:26:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:25,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-01-09 23:26:25,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:25,610 INFO L225 Difference]: With dead ends: 340 [2022-01-09 23:26:25,610 INFO L226 Difference]: Without dead ends: 236 [2022-01-09 23:26:25,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:25,617 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 14 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:25,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 258 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:25,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-01-09 23:26:25,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2022-01-09 23:26:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.4845814977973568) internal successors, (337), 227 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 337 transitions. [2022-01-09 23:26:25,633 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 337 transitions. Word has length 38 [2022-01-09 23:26:25,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:25,633 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 337 transitions. [2022-01-09 23:26:25,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 337 transitions. [2022-01-09 23:26:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-09 23:26:25,634 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:25,635 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:25,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-09 23:26:25,635 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:25,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1281794544, now seen corresponding path program 1 times [2022-01-09 23:26:25,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:25,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80833233] [2022-01-09 23:26:25,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:25,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-09 23:26:25,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:25,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80833233] [2022-01-09 23:26:25,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80833233] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:25,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:25,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:25,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077433719] [2022-01-09 23:26:25,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:25,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:25,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:25,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:25,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:25,701 INFO L87 Difference]: Start difference. First operand 228 states and 337 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:25,838 INFO L93 Difference]: Finished difference Result 551 states and 841 transitions. [2022-01-09 23:26:25,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:25,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 55 [2022-01-09 23:26:25,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:25,840 INFO L225 Difference]: With dead ends: 551 [2022-01-09 23:26:25,840 INFO L226 Difference]: Without dead ends: 328 [2022-01-09 23:26:25,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:25,847 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 53 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:25,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 222 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-01-09 23:26:25,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 310. [2022-01-09 23:26:25,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4142394822006472) internal successors, (437), 309 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2022-01-09 23:26:25,863 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 55 [2022-01-09 23:26:25,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:25,869 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2022-01-09 23:26:25,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:25,869 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2022-01-09 23:26:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-09 23:26:25,876 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:25,877 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:25,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-09 23:26:25,877 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:25,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:25,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1258017753, now seen corresponding path program 1 times [2022-01-09 23:26:25,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:25,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014341777] [2022-01-09 23:26:25,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:25,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-09 23:26:25,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:25,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014341777] [2022-01-09 23:26:25,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014341777] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:25,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:25,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:25,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25432830] [2022-01-09 23:26:25,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:25,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:25,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:25,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:25,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:25,954 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:26,035 INFO L93 Difference]: Finished difference Result 659 states and 942 transitions. [2022-01-09 23:26:26,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:26,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 68 [2022-01-09 23:26:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:26,038 INFO L225 Difference]: With dead ends: 659 [2022-01-09 23:26:26,038 INFO L226 Difference]: Without dead ends: 356 [2022-01-09 23:26:26,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,043 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 14 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:26,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 261 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:26,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-01-09 23:26:26,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 348. [2022-01-09 23:26:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.3976945244956773) internal successors, (485), 347 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2022-01-09 23:26:26,054 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 68 [2022-01-09 23:26:26,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:26,054 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2022-01-09 23:26:26,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2022-01-09 23:26:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-09 23:26:26,055 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:26,055 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:26,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-09 23:26:26,055 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:26,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:26,056 INFO L85 PathProgramCache]: Analyzing trace with hash 181274982, now seen corresponding path program 1 times [2022-01-09 23:26:26,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:26,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888202030] [2022-01-09 23:26:26,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:26,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-09 23:26:26,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:26,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888202030] [2022-01-09 23:26:26,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888202030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:26,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:26,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:26,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406008625] [2022-01-09 23:26:26,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:26,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:26,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:26,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:26,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,096 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:26,241 INFO L93 Difference]: Finished difference Result 828 states and 1180 transitions. [2022-01-09 23:26:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:26,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 [2022-01-09 23:26:26,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:26,243 INFO L225 Difference]: With dead ends: 828 [2022-01-09 23:26:26,243 INFO L226 Difference]: Without dead ends: 485 [2022-01-09 23:26:26,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,244 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 126 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:26,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 172 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-01-09 23:26:26,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 459. [2022-01-09 23:26:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.4323144104803494) internal successors, (656), 458 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2022-01-09 23:26:26,253 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 81 [2022-01-09 23:26:26,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:26,254 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2022-01-09 23:26:26,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2022-01-09 23:26:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-01-09 23:26:26,267 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:26,267 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-09 23:26:26,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-09 23:26:26,268 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:26,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:26,268 INFO L85 PathProgramCache]: Analyzing trace with hash -901961809, now seen corresponding path program 1 times [2022-01-09 23:26:26,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:26,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345397839] [2022-01-09 23:26:26,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:26,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-01-09 23:26:26,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:26,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345397839] [2022-01-09 23:26:26,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345397839] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:26,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:26,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:26,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343958507] [2022-01-09 23:26:26,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:26,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:26,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:26,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:26,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,325 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:26,423 INFO L93 Difference]: Finished difference Result 926 states and 1341 transitions. [2022-01-09 23:26:26,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:26,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 84 [2022-01-09 23:26:26,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:26,425 INFO L225 Difference]: With dead ends: 926 [2022-01-09 23:26:26,425 INFO L226 Difference]: Without dead ends: 507 [2022-01-09 23:26:26,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,426 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 12 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:26,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 260 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:26,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-01-09 23:26:26,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 501. [2022-01-09 23:26:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 500 states have (on average 1.416) internal successors, (708), 500 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 708 transitions. [2022-01-09 23:26:26,435 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 708 transitions. Word has length 84 [2022-01-09 23:26:26,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:26,436 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 708 transitions. [2022-01-09 23:26:26,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 708 transitions. [2022-01-09 23:26:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-01-09 23:26:26,437 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:26,437 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-01-09 23:26:26,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-09 23:26:26,437 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:26,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:26,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1810291289, now seen corresponding path program 1 times [2022-01-09 23:26:26,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:26,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844010481] [2022-01-09 23:26:26,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:26,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-09 23:26:26,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:26,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844010481] [2022-01-09 23:26:26,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844010481] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:26,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:26,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:26,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982188698] [2022-01-09 23:26:26,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:26,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:26,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:26,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:26,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,474 INFO L87 Difference]: Start difference. First operand 501 states and 708 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:26,511 INFO L93 Difference]: Finished difference Result 980 states and 1398 transitions. [2022-01-09 23:26:26,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:26,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 104 [2022-01-09 23:26:26,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:26,514 INFO L225 Difference]: With dead ends: 980 [2022-01-09 23:26:26,514 INFO L226 Difference]: Without dead ends: 739 [2022-01-09 23:26:26,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,515 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 125 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:26,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 464 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:26:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-01-09 23:26:26,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2022-01-09 23:26:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 738 states have (on average 1.4173441734417345) internal successors, (1046), 738 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1046 transitions. [2022-01-09 23:26:26,526 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1046 transitions. Word has length 104 [2022-01-09 23:26:26,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:26,526 INFO L470 AbstractCegarLoop]: Abstraction has 739 states and 1046 transitions. [2022-01-09 23:26:26,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1046 transitions. [2022-01-09 23:26:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-01-09 23:26:26,528 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:26,528 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-01-09 23:26:26,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-09 23:26:26,528 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:26,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:26,528 INFO L85 PathProgramCache]: Analyzing trace with hash 151283369, now seen corresponding path program 1 times [2022-01-09 23:26:26,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:26,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18166856] [2022-01-09 23:26:26,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:26,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-01-09 23:26:26,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:26,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18166856] [2022-01-09 23:26:26,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18166856] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:26,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:26,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:26,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051929921] [2022-01-09 23:26:26,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:26,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:26,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:26,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:26,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,557 INFO L87 Difference]: Start difference. First operand 739 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:26,573 INFO L93 Difference]: Finished difference Result 1239 states and 1758 transitions. [2022-01-09 23:26:26,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:26,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 104 [2022-01-09 23:26:26,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:26,576 INFO L225 Difference]: With dead ends: 1239 [2022-01-09 23:26:26,576 INFO L226 Difference]: Without dead ends: 760 [2022-01-09 23:26:26,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,577 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 11 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:26,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 345 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:26:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2022-01-09 23:26:26,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2022-01-09 23:26:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 759 states have (on average 1.4137022397891963) internal successors, (1073), 759 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1073 transitions. [2022-01-09 23:26:26,589 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1073 transitions. Word has length 104 [2022-01-09 23:26:26,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:26,589 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1073 transitions. [2022-01-09 23:26:26,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1073 transitions. [2022-01-09 23:26:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-09 23:26:26,590 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:26,590 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-01-09 23:26:26,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-09 23:26:26,591 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:26,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:26,591 INFO L85 PathProgramCache]: Analyzing trace with hash -492994255, now seen corresponding path program 1 times [2022-01-09 23:26:26,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:26,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832246839] [2022-01-09 23:26:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:26,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-01-09 23:26:26,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:26,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832246839] [2022-01-09 23:26:26,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832246839] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:26,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:26,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:26,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332522713] [2022-01-09 23:26:26,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:26,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:26,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:26,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:26,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,617 INFO L87 Difference]: Start difference. First operand 760 states and 1073 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) [2022-01-09 23:26:26,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:26,645 INFO L93 Difference]: Finished difference Result 1001 states and 1419 transitions. [2022-01-09 23:26:26,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:26,645 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 106 [2022-01-09 23:26:26,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:26,648 INFO L225 Difference]: With dead ends: 1001 [2022-01-09 23:26:26,648 INFO L226 Difference]: Without dead ends: 999 [2022-01-09 23:26:26,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,649 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 138 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:26,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 303 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:26:26,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2022-01-09 23:26:26,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2022-01-09 23:26:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 998 states have (on average 1.4198396793587174) internal successors, (1417), 998 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1417 transitions. [2022-01-09 23:26:26,664 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1417 transitions. Word has length 106 [2022-01-09 23:26:26,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:26,664 INFO L470 AbstractCegarLoop]: Abstraction has 999 states and 1417 transitions. [2022-01-09 23:26:26,665 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) [2022-01-09 23:26:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1417 transitions. [2022-01-09 23:26:26,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-01-09 23:26:26,666 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:26,666 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:26,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-09 23:26:26,667 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:26,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1913560025, now seen corresponding path program 1 times [2022-01-09 23:26:26,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:26,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379640328] [2022-01-09 23:26:26,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:26,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-01-09 23:26:26,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:26,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379640328] [2022-01-09 23:26:26,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379640328] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:26,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:26,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:26,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389747446] [2022-01-09 23:26:26,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:26,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:26,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:26,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:26,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,694 INFO L87 Difference]: Start difference. First operand 999 states and 1417 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) [2022-01-09 23:26:26,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:26,778 INFO L93 Difference]: Finished difference Result 2064 states and 2956 transitions. [2022-01-09 23:26:26,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:26,779 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 131 [2022-01-09 23:26:26,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:26,781 INFO L225 Difference]: With dead ends: 2064 [2022-01-09 23:26:26,781 INFO L226 Difference]: Without dead ends: 1105 [2022-01-09 23:26:26,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,783 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:26,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 259 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:26,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-01-09 23:26:26,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1091. [2022-01-09 23:26:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1090 states have (on average 1.4027522935779817) internal successors, (1529), 1090 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1529 transitions. [2022-01-09 23:26:26,798 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1529 transitions. Word has length 131 [2022-01-09 23:26:26,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:26,801 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 1529 transitions. [2022-01-09 23:26:26,801 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) [2022-01-09 23:26:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1529 transitions. [2022-01-09 23:26:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-01-09 23:26:26,803 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:26,803 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:26,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-09 23:26:26,803 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:26,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:26,803 INFO L85 PathProgramCache]: Analyzing trace with hash 296450083, now seen corresponding path program 1 times [2022-01-09 23:26:26,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:26,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800463948] [2022-01-09 23:26:26,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:26,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-01-09 23:26:26,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:26,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800463948] [2022-01-09 23:26:26,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800463948] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:26,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:26,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:26,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354701377] [2022-01-09 23:26:26,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:26,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:26,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:26,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:26,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,859 INFO L87 Difference]: Start difference. First operand 1091 states and 1529 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:26,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:26,985 INFO L93 Difference]: Finished difference Result 2346 states and 3350 transitions. [2022-01-09 23:26:26,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:26,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2022-01-09 23:26:26,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:26,988 INFO L225 Difference]: With dead ends: 2346 [2022-01-09 23:26:26,988 INFO L226 Difference]: Without dead ends: 1287 [2022-01-09 23:26:26,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:26,990 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 66 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:26,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 211 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:26,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2022-01-09 23:26:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1247. [2022-01-09 23:26:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1246 states have (on average 1.4069020866773676) internal successors, (1753), 1246 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1753 transitions. [2022-01-09 23:26:27,024 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1753 transitions. Word has length 152 [2022-01-09 23:26:27,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:27,024 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 1753 transitions. [2022-01-09 23:26:27,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1753 transitions. [2022-01-09 23:26:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-01-09 23:26:27,027 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:27,028 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1] [2022-01-09 23:26:27,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-09 23:26:27,028 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:27,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:27,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2080513012, now seen corresponding path program 1 times [2022-01-09 23:26:27,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:27,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036462205] [2022-01-09 23:26:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:27,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-01-09 23:26:27,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:27,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036462205] [2022-01-09 23:26:27,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036462205] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:27,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:27,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:27,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972297657] [2022-01-09 23:26:27,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:27,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:27,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:27,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:27,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,073 INFO L87 Difference]: Start difference. First operand 1247 states and 1753 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:27,156 INFO L93 Difference]: Finished difference Result 2574 states and 3602 transitions. [2022-01-09 23:26:27,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:27,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 188 [2022-01-09 23:26:27,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:27,160 INFO L225 Difference]: With dead ends: 2574 [2022-01-09 23:26:27,160 INFO L226 Difference]: Without dead ends: 1367 [2022-01-09 23:26:27,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,162 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 10 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:27,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 260 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:27,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2022-01-09 23:26:27,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1359. [2022-01-09 23:26:27,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1358 states have (on average 1.3880706921944035) internal successors, (1885), 1358 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1885 transitions. [2022-01-09 23:26:27,182 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1885 transitions. Word has length 188 [2022-01-09 23:26:27,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:27,182 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 1885 transitions. [2022-01-09 23:26:27,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1885 transitions. [2022-01-09 23:26:27,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-01-09 23:26:27,185 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:27,185 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1] [2022-01-09 23:26:27,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-09 23:26:27,186 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:27,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:27,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1653754506, now seen corresponding path program 1 times [2022-01-09 23:26:27,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:27,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129972590] [2022-01-09 23:26:27,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:27,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-01-09 23:26:27,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:27,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129972590] [2022-01-09 23:26:27,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129972590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:27,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:27,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:27,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737591970] [2022-01-09 23:26:27,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:27,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:27,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:27,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:27,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,222 INFO L87 Difference]: Start difference. First operand 1359 states and 1885 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:27,311 INFO L93 Difference]: Finished difference Result 2814 states and 3902 transitions. [2022-01-09 23:26:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:27,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 188 [2022-01-09 23:26:27,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:27,315 INFO L225 Difference]: With dead ends: 2814 [2022-01-09 23:26:27,315 INFO L226 Difference]: Without dead ends: 1495 [2022-01-09 23:26:27,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,318 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 11 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:27,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 261 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:27,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2022-01-09 23:26:27,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1483. [2022-01-09 23:26:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1482 states have (on average 1.3690958164642375) internal successors, (2029), 1482 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2029 transitions. [2022-01-09 23:26:27,341 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2029 transitions. Word has length 188 [2022-01-09 23:26:27,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:27,341 INFO L470 AbstractCegarLoop]: Abstraction has 1483 states and 2029 transitions. [2022-01-09 23:26:27,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2029 transitions. [2022-01-09 23:26:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-01-09 23:26:27,343 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:27,345 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 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, 1] [2022-01-09 23:26:27,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-09 23:26:27,345 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:27,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:27,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1229348372, now seen corresponding path program 1 times [2022-01-09 23:26:27,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:27,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301019972] [2022-01-09 23:26:27,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:27,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-01-09 23:26:27,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:27,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301019972] [2022-01-09 23:26:27,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301019972] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:27,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:27,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:27,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881241939] [2022-01-09 23:26:27,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:27,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:27,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:27,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:27,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,392 INFO L87 Difference]: Start difference. First operand 1483 states and 2029 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:27,425 INFO L93 Difference]: Finished difference Result 4365 states and 5987 transitions. [2022-01-09 23:26:27,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:27,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2022-01-09 23:26:27,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:27,433 INFO L225 Difference]: With dead ends: 4365 [2022-01-09 23:26:27,433 INFO L226 Difference]: Without dead ends: 2922 [2022-01-09 23:26:27,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,435 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 126 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:27,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 482 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:26:27,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2022-01-09 23:26:27,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2920. [2022-01-09 23:26:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2919 states have (on average 1.3706748886605002) internal successors, (4001), 2919 states have internal predecessors, (4001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4001 transitions. [2022-01-09 23:26:27,498 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4001 transitions. Word has length 218 [2022-01-09 23:26:27,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:27,499 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 4001 transitions. [2022-01-09 23:26:27,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4001 transitions. [2022-01-09 23:26:27,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-01-09 23:26:27,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:27,503 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 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, 1] [2022-01-09 23:26:27,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-09 23:26:27,503 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:27,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:27,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1790048150, now seen corresponding path program 1 times [2022-01-09 23:26:27,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:27,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785315697] [2022-01-09 23:26:27,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:27,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-01-09 23:26:27,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:27,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785315697] [2022-01-09 23:26:27,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785315697] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:27,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:27,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:27,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791577322] [2022-01-09 23:26:27,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:27,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:27,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:27,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,548 INFO L87 Difference]: Start difference. First operand 2920 states and 4001 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:27,653 INFO L93 Difference]: Finished difference Result 6100 states and 8366 transitions. [2022-01-09 23:26:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:27,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2022-01-09 23:26:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:27,660 INFO L225 Difference]: With dead ends: 6100 [2022-01-09 23:26:27,661 INFO L226 Difference]: Without dead ends: 3220 [2022-01-09 23:26:27,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,665 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 11 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:27,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 261 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:27,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2022-01-09 23:26:27,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3204. [2022-01-09 23:26:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3203 states have (on average 1.3502965969403684) internal successors, (4325), 3203 states have internal predecessors, (4325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 4325 transitions. [2022-01-09 23:26:27,720 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 4325 transitions. Word has length 218 [2022-01-09 23:26:27,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:27,720 INFO L470 AbstractCegarLoop]: Abstraction has 3204 states and 4325 transitions. [2022-01-09 23:26:27,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 4325 transitions. [2022-01-09 23:26:27,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-01-09 23:26:27,724 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:27,725 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 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, 1, 1, 1, 1] [2022-01-09 23:26:27,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-09 23:26:27,725 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:27,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:27,725 INFO L85 PathProgramCache]: Analyzing trace with hash 678419774, now seen corresponding path program 1 times [2022-01-09 23:26:27,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:27,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274433879] [2022-01-09 23:26:27,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:27,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-01-09 23:26:27,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:27,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274433879] [2022-01-09 23:26:27,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274433879] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:27,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:27,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:27,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981189917] [2022-01-09 23:26:27,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:27,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:27,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:27,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:27,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,761 INFO L87 Difference]: Start difference. First operand 3204 states and 4325 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:27,898 INFO L93 Difference]: Finished difference Result 6516 states and 8798 transitions. [2022-01-09 23:26:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:27,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-01-09 23:26:27,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:27,906 INFO L225 Difference]: With dead ends: 6516 [2022-01-09 23:26:27,906 INFO L226 Difference]: Without dead ends: 3352 [2022-01-09 23:26:27,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:27,909 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 10 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:27,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 260 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:27,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2022-01-09 23:26:27,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3336. [2022-01-09 23:26:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 3335 states have (on average 1.3424287856071964) internal successors, (4477), 3335 states have internal predecessors, (4477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4477 transitions. [2022-01-09 23:26:27,976 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4477 transitions. Word has length 242 [2022-01-09 23:26:27,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:27,976 INFO L470 AbstractCegarLoop]: Abstraction has 3336 states and 4477 transitions. [2022-01-09 23:26:27,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4477 transitions. [2022-01-09 23:26:27,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-01-09 23:26:27,981 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:27,981 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2022-01-09 23:26:27,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-09 23:26:27,981 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:27,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:27,982 INFO L85 PathProgramCache]: Analyzing trace with hash -101941725, now seen corresponding path program 1 times [2022-01-09 23:26:27,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:27,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085890654] [2022-01-09 23:26:27,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:27,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-01-09 23:26:28,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:28,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085890654] [2022-01-09 23:26:28,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085890654] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:28,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:28,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:28,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263784008] [2022-01-09 23:26:28,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:28,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:28,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:28,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:28,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:28,029 INFO L87 Difference]: Start difference. First operand 3336 states and 4477 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:28,156 INFO L93 Difference]: Finished difference Result 7032 states and 9578 transitions. [2022-01-09 23:26:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:28,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2022-01-09 23:26:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:28,165 INFO L225 Difference]: With dead ends: 7032 [2022-01-09 23:26:28,165 INFO L226 Difference]: Without dead ends: 3736 [2022-01-09 23:26:28,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:28,169 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 44 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:28,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 253 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:28,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-01-09 23:26:28,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3648. [2022-01-09 23:26:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3647 states have (on average 1.3284891691801481) internal successors, (4845), 3647 states have internal predecessors, (4845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:28,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 4845 transitions. [2022-01-09 23:26:28,244 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 4845 transitions. Word has length 253 [2022-01-09 23:26:28,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:28,244 INFO L470 AbstractCegarLoop]: Abstraction has 3648 states and 4845 transitions. [2022-01-09 23:26:28,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:28,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4845 transitions. [2022-01-09 23:26:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-01-09 23:26:28,249 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:28,249 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:28,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-09 23:26:28,249 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:28,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:28,250 INFO L85 PathProgramCache]: Analyzing trace with hash 324455461, now seen corresponding path program 1 times [2022-01-09 23:26:28,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:28,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925799622] [2022-01-09 23:26:28,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:28,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-01-09 23:26:28,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:28,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925799622] [2022-01-09 23:26:28,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925799622] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:28,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:28,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:28,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881103807] [2022-01-09 23:26:28,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:28,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:28,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:28,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:28,289 INFO L87 Difference]: Start difference. First operand 3648 states and 4845 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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) [2022-01-09 23:26:28,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:28,430 INFO L93 Difference]: Finished difference Result 7664 states and 10122 transitions. [2022-01-09 23:26:28,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:28,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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 267 [2022-01-09 23:26:28,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:28,452 INFO L225 Difference]: With dead ends: 7664 [2022-01-09 23:26:28,452 INFO L226 Difference]: Without dead ends: 4056 [2022-01-09 23:26:28,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:28,457 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 135 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:28,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 139 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:28,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4056 states. [2022-01-09 23:26:28,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4056 to 3768. [2022-01-09 23:26:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3768 states, 3767 states have (on average 1.3243960711441465) internal successors, (4989), 3767 states have internal predecessors, (4989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 4989 transitions. [2022-01-09 23:26:28,530 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 4989 transitions. Word has length 267 [2022-01-09 23:26:28,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:28,530 INFO L470 AbstractCegarLoop]: Abstraction has 3768 states and 4989 transitions. [2022-01-09 23:26:28,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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) [2022-01-09 23:26:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 4989 transitions. [2022-01-09 23:26:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-01-09 23:26:28,536 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:28,536 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:28,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-09 23:26:28,537 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:28,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:28,537 INFO L85 PathProgramCache]: Analyzing trace with hash 842255411, now seen corresponding path program 1 times [2022-01-09 23:26:28,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:28,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292760225] [2022-01-09 23:26:28,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:28,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2022-01-09 23:26:28,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:28,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292760225] [2022-01-09 23:26:28,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292760225] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:28,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:28,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:28,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842938944] [2022-01-09 23:26:28,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:28,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:28,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:28,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:28,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:28,587 INFO L87 Difference]: Start difference. First operand 3768 states and 4989 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:28,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:28,644 INFO L93 Difference]: Finished difference Result 10720 states and 14279 transitions. [2022-01-09 23:26:28,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:28,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 268 [2022-01-09 23:26:28,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:28,656 INFO L225 Difference]: With dead ends: 10720 [2022-01-09 23:26:28,656 INFO L226 Difference]: Without dead ends: 6992 [2022-01-09 23:26:28,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:28,661 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 83 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 469 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 [2022-01-09 23:26:28,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 469 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:26:28,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6992 states. [2022-01-09 23:26:28,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6992 to 6990. [2022-01-09 23:26:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6990 states, 6989 states have (on average 1.3325225354127914) internal successors, (9313), 6989 states have internal predecessors, (9313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9313 transitions. [2022-01-09 23:26:28,795 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9313 transitions. Word has length 268 [2022-01-09 23:26:28,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:28,796 INFO L470 AbstractCegarLoop]: Abstraction has 6990 states and 9313 transitions. [2022-01-09 23:26:28,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9313 transitions. [2022-01-09 23:26:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-01-09 23:26:28,803 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:28,804 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:28,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-09 23:26:28,804 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:28,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1556363552, now seen corresponding path program 1 times [2022-01-09 23:26:28,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:28,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049903328] [2022-01-09 23:26:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:28,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-01-09 23:26:28,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:28,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049903328] [2022-01-09 23:26:28,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049903328] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:28,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:28,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:28,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978710368] [2022-01-09 23:26:28,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:28,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:28,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:28,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:28,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:28,846 INFO L87 Difference]: Start difference. First operand 6990 states and 9313 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:28,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:28,993 INFO L93 Difference]: Finished difference Result 13948 states and 18570 transitions. [2022-01-09 23:26:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:28,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 [2022-01-09 23:26:28,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:29,004 INFO L225 Difference]: With dead ends: 13948 [2022-01-09 23:26:29,005 INFO L226 Difference]: Without dead ends: 6998 [2022-01-09 23:26:29,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:29,013 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 11 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:29,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 256 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:29,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6998 states. [2022-01-09 23:26:29,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6998 to 6966. [2022-01-09 23:26:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6966 states, 6965 states have (on average 1.3061019382627423) internal successors, (9097), 6965 states have internal predecessors, (9097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9097 transitions. [2022-01-09 23:26:29,150 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9097 transitions. Word has length 269 [2022-01-09 23:26:29,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:29,150 INFO L470 AbstractCegarLoop]: Abstraction has 6966 states and 9097 transitions. [2022-01-09 23:26:29,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9097 transitions. [2022-01-09 23:26:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-01-09 23:26:29,159 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:29,159 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:29,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-09 23:26:29,160 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:29,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:29,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1277617296, now seen corresponding path program 1 times [2022-01-09 23:26:29,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:29,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32232586] [2022-01-09 23:26:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:29,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-01-09 23:26:29,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:29,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32232586] [2022-01-09 23:26:29,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32232586] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:26:29,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823603754] [2022-01-09 23:26:29,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:29,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:26:29,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:26:29,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-09 23:26:29,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-09 23:26:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:29,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 23:26:29,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:26:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-01-09 23:26:29,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-09 23:26:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-01-09 23:26:29,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823603754] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-09 23:26:29,975 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-09 23:26:29,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-09 23:26:29,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113652339] [2022-01-09 23:26:29,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-09 23:26:29,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-09 23:26:29,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:29,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-09 23:26:29,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-09 23:26:29,976 INFO L87 Difference]: Start difference. First operand 6966 states and 9097 transitions. Second operand has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:30,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:30,422 INFO L93 Difference]: Finished difference Result 18432 states and 24463 transitions. [2022-01-09 23:26:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-09 23:26:30,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 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 292 [2022-01-09 23:26:30,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:30,438 INFO L225 Difference]: With dead ends: 18432 [2022-01-09 23:26:30,438 INFO L226 Difference]: Without dead ends: 11450 [2022-01-09 23:26:30,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-09 23:26:30,447 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 217 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:30,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 898 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:26:30,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11450 states. [2022-01-09 23:26:30,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11450 to 9800. [2022-01-09 23:26:30,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9800 states, 9799 states have (on average 1.3263598326359833) internal successors, (12997), 9799 states have internal predecessors, (12997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9800 states to 9800 states and 12997 transitions. [2022-01-09 23:26:30,591 INFO L78 Accepts]: Start accepts. Automaton has 9800 states and 12997 transitions. Word has length 292 [2022-01-09 23:26:30,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:30,592 INFO L470 AbstractCegarLoop]: Abstraction has 9800 states and 12997 transitions. [2022-01-09 23:26:30,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 9800 states and 12997 transitions. [2022-01-09 23:26:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-01-09 23:26:30,603 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:30,603 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:30,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-09 23:26:30,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-01-09 23:26:30,820 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:30,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:30,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1037661491, now seen corresponding path program 2 times [2022-01-09 23:26:30,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:30,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468137259] [2022-01-09 23:26:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:30,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-01-09 23:26:30,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:30,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468137259] [2022-01-09 23:26:30,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468137259] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:26:30,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592530346] [2022-01-09 23:26:30,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-09 23:26:30,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:26:30,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:26:30,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-09 23:26:30,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-09 23:26:31,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-09 23:26:31,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-09 23:26:31,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 23:26:31,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:26:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2022-01-09 23:26:31,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:26:31,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592530346] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:31,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:26:31,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-09 23:26:31,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166970247] [2022-01-09 23:26:31,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:31,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:31,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:31,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:31,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:26:31,309 INFO L87 Difference]: Start difference. First operand 9800 states and 12997 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:31,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:31,458 INFO L93 Difference]: Finished difference Result 19604 states and 25974 transitions. [2022-01-09 23:26:31,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:31,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 305 [2022-01-09 23:26:31,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:31,472 INFO L225 Difference]: With dead ends: 19604 [2022-01-09 23:26:31,472 INFO L226 Difference]: Without dead ends: 9844 [2022-01-09 23:26:31,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:26:31,482 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 53 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:31,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 236 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:31,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9844 states. [2022-01-09 23:26:31,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9844 to 8988. [2022-01-09 23:26:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8988 states, 8987 states have (on average 1.2837431845999778) internal successors, (11537), 8987 states have internal predecessors, (11537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8988 states to 8988 states and 11537 transitions. [2022-01-09 23:26:31,632 INFO L78 Accepts]: Start accepts. Automaton has 8988 states and 11537 transitions. Word has length 305 [2022-01-09 23:26:31,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:31,633 INFO L470 AbstractCegarLoop]: Abstraction has 8988 states and 11537 transitions. [2022-01-09 23:26:31,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:31,633 INFO L276 IsEmpty]: Start isEmpty. Operand 8988 states and 11537 transitions. [2022-01-09 23:26:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-01-09 23:26:31,644 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:31,644 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:31,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-09 23:26:31,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-01-09 23:26:31,876 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:31,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:31,876 INFO L85 PathProgramCache]: Analyzing trace with hash 650041975, now seen corresponding path program 1 times [2022-01-09 23:26:31,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:31,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596231992] [2022-01-09 23:26:31,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:31,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-01-09 23:26:31,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:31,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596231992] [2022-01-09 23:26:31,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596231992] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:26:31,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323202634] [2022-01-09 23:26:31,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:31,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:26:31,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:26:31,928 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-09 23:26:31,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-09 23:26:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:32,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 23:26:32,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:26:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-01-09 23:26:32,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:26:32,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323202634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:32,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:26:32,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-09 23:26:32,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427537382] [2022-01-09 23:26:32,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:32,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:32,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:32,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:32,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:26:32,490 INFO L87 Difference]: Start difference. First operand 8988 states and 11537 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:32,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:32,625 INFO L93 Difference]: Finished difference Result 22010 states and 28224 transitions. [2022-01-09 23:26:32,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:32,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 372 [2022-01-09 23:26:32,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:32,642 INFO L225 Difference]: With dead ends: 22010 [2022-01-09 23:26:32,642 INFO L226 Difference]: Without dead ends: 13062 [2022-01-09 23:26:32,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:26:32,648 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 61 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:32,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 472 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:26:32,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13062 states. [2022-01-09 23:26:32,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13062 to 13062. [2022-01-09 23:26:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13062 states, 13061 states have (on average 1.2796110558150218) internal successors, (16713), 13061 states have internal predecessors, (16713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13062 states to 13062 states and 16713 transitions. [2022-01-09 23:26:32,799 INFO L78 Accepts]: Start accepts. Automaton has 13062 states and 16713 transitions. Word has length 372 [2022-01-09 23:26:32,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:32,800 INFO L470 AbstractCegarLoop]: Abstraction has 13062 states and 16713 transitions. [2022-01-09 23:26:32,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 13062 states and 16713 transitions. [2022-01-09 23:26:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-01-09 23:26:32,814 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:32,815 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:32,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-09 23:26:33,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:26:33,054 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:33,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:33,055 INFO L85 PathProgramCache]: Analyzing trace with hash -590181313, now seen corresponding path program 1 times [2022-01-09 23:26:33,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:33,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514657824] [2022-01-09 23:26:33,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:33,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-01-09 23:26:33,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:33,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514657824] [2022-01-09 23:26:33,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514657824] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:26:33,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134653047] [2022-01-09 23:26:33,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:33,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:26:33,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:26:33,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-09 23:26:33,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-09 23:26:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:33,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 23:26:33,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:26:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-01-09 23:26:33,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-09 23:26:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-01-09 23:26:34,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134653047] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-09 23:26:34,108 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-09 23:26:34,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-09 23:26:34,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600095282] [2022-01-09 23:26:34,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-09 23:26:34,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-09 23:26:34,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:34,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-09 23:26:34,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-09 23:26:34,109 INFO L87 Difference]: Start difference. First operand 13062 states and 16713 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:34,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:34,411 INFO L93 Difference]: Finished difference Result 29734 states and 37874 transitions. [2022-01-09 23:26:34,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-09 23:26:34,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 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 374 [2022-01-09 23:26:34,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:34,433 INFO L225 Difference]: With dead ends: 29734 [2022-01-09 23:26:34,433 INFO L226 Difference]: Without dead ends: 16700 [2022-01-09 23:26:34,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-09 23:26:34,447 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 434 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:34,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 426 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:34,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16700 states. [2022-01-09 23:26:34,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16700 to 14417. [2022-01-09 23:26:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14417 states, 14416 states have (on average 1.278718091009989) internal successors, (18434), 14416 states have internal predecessors, (18434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14417 states to 14417 states and 18434 transitions. [2022-01-09 23:26:34,703 INFO L78 Accepts]: Start accepts. Automaton has 14417 states and 18434 transitions. Word has length 374 [2022-01-09 23:26:34,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:34,703 INFO L470 AbstractCegarLoop]: Abstraction has 14417 states and 18434 transitions. [2022-01-09 23:26:34,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 14417 states and 18434 transitions. [2022-01-09 23:26:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-01-09 23:26:34,721 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:34,721 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:34,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-09 23:26:34,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:26:34,939 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:34,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:34,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1273645298, now seen corresponding path program 1 times [2022-01-09 23:26:34,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:34,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028564386] [2022-01-09 23:26:34,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:34,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-01-09 23:26:34,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:34,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028564386] [2022-01-09 23:26:34,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028564386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:26:34,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:26:34,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:26:34,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909526160] [2022-01-09 23:26:34,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:26:34,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:26:34,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:34,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:26:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:34,985 INFO L87 Difference]: Start difference. First operand 14417 states and 18434 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:35,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:35,144 INFO L93 Difference]: Finished difference Result 25708 states and 32305 transitions. [2022-01-09 23:26:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:26:35,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 413 [2022-01-09 23:26:35,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:35,153 INFO L225 Difference]: With dead ends: 25708 [2022-01-09 23:26:35,153 INFO L226 Difference]: Without dead ends: 5877 [2022-01-09 23:26:35,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:26:35,164 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 39 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:35,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 262 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:26:35,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5877 states. [2022-01-09 23:26:35,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5877 to 5476. [2022-01-09 23:26:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5476 states, 5475 states have (on average 1.2622831050228311) internal successors, (6911), 5475 states have internal predecessors, (6911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5476 states to 5476 states and 6911 transitions. [2022-01-09 23:26:35,229 INFO L78 Accepts]: Start accepts. Automaton has 5476 states and 6911 transitions. Word has length 413 [2022-01-09 23:26:35,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:35,230 INFO L470 AbstractCegarLoop]: Abstraction has 5476 states and 6911 transitions. [2022-01-09 23:26:35,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 5476 states and 6911 transitions. [2022-01-09 23:26:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-01-09 23:26:35,235 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:26:35,235 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:35,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-09 23:26:35,235 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:26:35,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:26:35,236 INFO L85 PathProgramCache]: Analyzing trace with hash 381067605, now seen corresponding path program 1 times [2022-01-09 23:26:35,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:26:35,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698488903] [2022-01-09 23:26:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:35,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:26:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-01-09 23:26:35,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:26:35,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698488903] [2022-01-09 23:26:35,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698488903] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:26:35,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203420112] [2022-01-09 23:26:35,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:26:35,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:26:35,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:26:35,288 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-09 23:26:35,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-09 23:26:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:26:35,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 23:26:35,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:26:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-01-09 23:26:35,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-09 23:26:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-01-09 23:26:36,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203420112] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-09 23:26:36,449 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-09 23:26:36,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-01-09 23:26:36,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885106430] [2022-01-09 23:26:36,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-09 23:26:36,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-09 23:26:36,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:26:36,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-09 23:26:36,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-01-09 23:26:36,452 INFO L87 Difference]: Start difference. First operand 5476 states and 6911 transitions. Second operand has 8 states, 8 states have (on average 39.625) internal successors, (317), 8 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:36,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:26:36,667 INFO L93 Difference]: Finished difference Result 6913 states and 8716 transitions. [2022-01-09 23:26:36,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-09 23:26:36,668 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 39.625) internal successors, (317), 8 states have internal predecessors, (317), 0 states have call successors, (0), 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 442 [2022-01-09 23:26:36,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:26:36,668 INFO L225 Difference]: With dead ends: 6913 [2022-01-09 23:26:36,668 INFO L226 Difference]: Without dead ends: 0 [2022-01-09 23:26:36,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-01-09 23:26:36,671 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-09 23:26:36,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 636 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-09 23:26:36,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-09 23:26:36,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-09 23:26:36,672 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) [2022-01-09 23:26:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-09 23:26:36,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 442 [2022-01-09 23:26:36,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:26:36,672 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-09 23:26:36,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 39.625) internal successors, (317), 8 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:26:36,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-09 23:26:36,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-09 23:26:36,674 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-09 23:26:36,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-09 23:26:36,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-01-09 23:26:36,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2022-01-09 23:26:41,745 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L854 garLoopResultBuilder]: At program point L202(lines 198 496) the Hoare annotation is: (let ((.cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse3 (< |ULTIMATE.start_ssl3_connect_~s__state~0#1| 12292)) (.cse4 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse5 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse4 .cse5 .cse3 .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse4 .cse0 .cse3 .cse2) (and .cse4 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse5 .cse1 .cse2))) [2022-01-09 23:26:41,746 INFO L854 garLoopResultBuilder]: At program point L136(lines 132 518) the Hoare annotation is: (let ((.cse0 (not (<= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse1))) [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L861 garLoopResultBuilder]: At program point L566(lines 558 568) the Hoare annotation is: true [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L854 garLoopResultBuilder]: At program point L205(lines 204 494) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560)) (.cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse2 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse5 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (or (and (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse0 .cse1 .cse2) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse3 .cse4 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2 .cse5) (and .cse3 .cse4 .cse0 .cse1 .cse2 .cse5))) [2022-01-09 23:26:41,746 INFO L854 garLoopResultBuilder]: At program point L172(lines 162 508) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 .cse2) (and .cse0 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2022-01-09 23:26:41,746 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L861 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2022-01-09 23:26:41,747 INFO L854 garLoopResultBuilder]: At program point L142(lines 138 516) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 .cse2))) [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L861 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2022-01-09 23:26:41,747 INFO L858 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L854 garLoopResultBuilder]: At program point L178(lines 174 504) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 .cse2) (and .cse0 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-01-09 23:26:41,748 INFO L854 garLoopResultBuilder]: At program point L112(lines 111 525) the Hoare annotation is: (and (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L854 garLoopResultBuilder]: At program point L148(lines 144 514) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse1 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse2 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse2 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-01-09 23:26:41,748 INFO L861 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L854 garLoopResultBuilder]: At program point L216(lines 114 524) the Hoare annotation is: (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0) [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2022-01-09 23:26:41,748 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L854 garLoopResultBuilder]: At program point L184(lines 180 502) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 .cse2) (and .cse0 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L854 garLoopResultBuilder]: At program point L154(lines 150 512) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse1 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse2 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse2 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2022-01-09 23:26:41,749 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L854 garLoopResultBuilder]: At program point L190(lines 186 500) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse1 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse0 .cse1) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L861 garLoopResultBuilder]: At program point L555(lines 22 557) the Hoare annotation is: true [2022-01-09 23:26:41,750 INFO L854 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: false [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L854 garLoopResultBuilder]: At program point L160(lines 156 510) the Hoare annotation is: (let ((.cse1 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse3 (< 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4) .cse3) (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse1 .cse2 .cse3) (and .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0) .cse3) (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse3))) [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-01-09 23:26:41,750 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L854 garLoopResultBuilder]: At program point L491(lines 108 544) the Hoare annotation is: (let ((.cse0 (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse8 (= 4528 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse9 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse15 (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse14 (= 4512 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse7 (= 3 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse5 (< 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse16 (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse10 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560)) (.cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse12 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse13 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse11 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3 .cse5) (and (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1)) (and .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse6) (and .cse1 .cse2 .cse8) (and .cse6 .cse8) (and .cse6 .cse4 .cse9) (and .cse10 .cse2 .cse7) (and .cse1 .cse10 .cse2 .cse4 .cse9 .cse11) (and (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse6 .cse12 .cse13) (and .cse1 .cse2 (= 4480 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (and .cse1 .cse14 .cse2) (and .cse10 .cse6 .cse7) (and .cse1 .cse2 (= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (and .cse1 .cse10 .cse2 .cse3 .cse15) (and .cse1 .cse6 .cse15) (and .cse1 .cse2 .cse16 .cse3) (and .cse1 .cse10 .cse2 .cse12 .cse13 .cse11) (and .cse1 (= 4496 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse2) (and .cse14 .cse6) (and .cse1 .cse2 .cse3 .cse7) (and .cse1 .cse6 .cse4 .cse5) (and .cse1 .cse6 .cse16) (and .cse1 .cse10 .cse6 .cse12 .cse13 .cse11) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))) [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L854 garLoopResultBuilder]: At program point L196(lines 192 498) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse1 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse0 .cse1) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-01-09 23:26:41,751 INFO L854 garLoopResultBuilder]: At program point L130(lines 126 520) the Hoare annotation is: (and (not (<= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2022-01-09 23:26:41,751 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2022-01-09 23:26:41,752 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-01-09 23:26:41,754 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:26:41,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-09 23:26:41,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 11:26:41 BoogieIcfgContainer [2022-01-09 23:26:41,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-09 23:26:41,799 INFO L158 Benchmark]: Toolchain (without parser) took 17638.99ms. Allocated memory was 198.2MB in the beginning and 564.1MB in the end (delta: 366.0MB). Free memory was 175.1MB in the beginning and 144.2MB in the end (delta: 30.9MB). Peak memory consumption was 413.8MB. Max. memory is 8.0GB. [2022-01-09 23:26:41,800 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-09 23:26:41,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.49ms. Allocated memory is still 198.2MB. Free memory was 175.0MB in the beginning and 170.1MB in the end (delta: 4.9MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-01-09 23:26:41,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.13ms. Allocated memory is still 198.2MB. Free memory was 170.1MB in the beginning and 167.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-09 23:26:41,800 INFO L158 Benchmark]: Boogie Preprocessor took 20.96ms. Allocated memory is still 198.2MB. Free memory was 167.4MB in the beginning and 165.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-09 23:26:41,800 INFO L158 Benchmark]: RCFGBuilder took 486.34ms. Allocated memory is still 198.2MB. Free memory was 165.5MB in the beginning and 135.0MB in the end (delta: 30.5MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-01-09 23:26:41,800 INFO L158 Benchmark]: TraceAbstraction took 16762.16ms. Allocated memory was 198.2MB in the beginning and 564.1MB in the end (delta: 366.0MB). Free memory was 134.5MB in the beginning and 144.2MB in the end (delta: -9.7MB). Peak memory consumption was 373.7MB. Max. memory is 8.0GB. [2022-01-09 23:26:41,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 316.49ms. Allocated memory is still 198.2MB. Free memory was 175.0MB in the beginning and 170.1MB in the end (delta: 4.9MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.13ms. Allocated memory is still 198.2MB. Free memory was 170.1MB in the beginning and 167.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.96ms. Allocated memory is still 198.2MB. Free memory was 167.4MB in the beginning and 165.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 486.34ms. Allocated memory is still 198.2MB. Free memory was 165.5MB in the beginning and 135.0MB in the end (delta: 30.5MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 16762.16ms. Allocated memory was 198.2MB in the beginning and 564.1MB in the end (delta: 366.0MB). Free memory was 134.5MB in the beginning and 144.2MB in the end (delta: -9.7MB). Peak memory consumption was 373.7MB. 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: 554]: 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, 127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.7s, OverallIterations: 26, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2107 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2107 mSDsluCounter, 8722 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3473 mSDsCounter, 562 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3061 IncrementalHoareTripleChecker+Invalid, 3623 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 562 mSolverCounterUnsat, 5249 mSDtfsCounter, 3061 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2978 GetRequests, 2932 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14417occurred in iteration=24, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 26 MinimizatonAttempts, 5774 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 402 NumberOfFragments, 835 HoareAnnotationTreeSize, 22 FomulaSimplifications, 16222 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 22 FomulaSimplificationsInter, 13657 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 7041 NumberOfCodeBlocks, 7041 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 8115 ConstructedInterpolants, 0 QuantifiedInterpolants, 12004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3280 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 27797/27918 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: 198]: Loop Invariant Derived loop invariant: (((((2 == blastFlag && s__state <= 4560) && 4560 <= s__state) || ((s__state < 12292 && 4560 <= s__state) && blastFlag == 0)) || ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state < 12292) && 4560 <= s__state) && blastFlag <= 4)) || (((s__hit == 0 && 2 == blastFlag) && s__state < 12292) && 4560 <= s__state)) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4560 <= s__state) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 4560 <= s__state && blastFlag == 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((4432 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) && blastFlag <= 4) || ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && blastFlag <= 4) && 4432 < s__state)) || (4384 == s__state && blastFlag == 1)) || ((s__hit == 0 && 2 == blastFlag) && 3 == s__state)) || ((4432 == s__state && s__hit == 0) && 2 == blastFlag)) || ((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && 4528 == s__state)) || (2 == blastFlag && 4528 == s__state)) || ((2 == blastFlag && s__state <= 4560) && 4560 <= s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && 256 == s__s3__tmp__new_cipher__algorithms) && 3 == s__state)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (((3 == s__s3__tmp__next_state___0 && 2 == blastFlag) && s__state <= 4352) && 4352 <= s__state)) || ((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && 4480 == s__state)) || ((s__hit == 0 && 4512 == s__state) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__s3__tmp__next_state___0 <= 4560 && 2 == blastFlag) && 3 == s__state)) || ((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && 4464 == s__state)) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && blastFlag <= 4) && 4400 == s__state)) || ((s__hit == 0 && 2 == blastFlag) && 4400 == s__state)) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && 4416 == s__state) && blastFlag <= 4)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || ((s__hit == 0 && 4496 == s__state) && 256 == s__s3__tmp__new_cipher__algorithms)) || (4512 == s__state && 2 == blastFlag)) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && blastFlag <= 4) && 3 == s__state)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4432 < s__state)) || ((s__hit == 0 && 2 == blastFlag) && 4416 == s__state)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || blastFlag == 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: blastFlag == 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && blastFlag <= 4) && 4432 < s__state) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4432 < s__state)) || ((s__state <= 4560 && blastFlag == 0) && 4432 < s__state)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4432 < s__state) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) || ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4352 <= s__state) && blastFlag <= 4)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4352 <= s__state) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4464 <= s__state) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (((((3 == s__s3__tmp__next_state___0 && 2 == blastFlag) && s__state <= 4352) && 4352 <= s__state) || ((s__state <= 4352 && 4352 <= s__state) && blastFlag == 0)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (!(4400 <= s__state) && 4352 <= s__state) && blastFlag == 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state) || ((2 == blastFlag && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4464 <= s__state) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) || ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4352 <= s__state) && blastFlag <= 4)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4352 <= s__state) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state) || ((2 == blastFlag && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((!(4400 <= s__state) && 4352 <= s__state) && blastFlag == 0) || ((!(4400 <= s__state) && blastFlag == 1) && 4352 <= s__state) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4352 <= s__state) && blastFlag <= 4) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4352 <= s__state) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4464 <= s__state) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) RESULT: Ultimate proved your program to be correct! [2022-01-09 23:26:41,871 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...