/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:10:26,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:10:26,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:10:26,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 04:10:26,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:10:26,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:10:26,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:10:26,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:10:26,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:10:26,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:10:26,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:10:26,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:10:26,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:10:26,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:10:26,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:10:26,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:10:26,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 04:10:26,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:10:26,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:10:26,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:10:26,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 04:10:26,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:10:26,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:10:26,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:10:26,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:10:26,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:10:26,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:10:26,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:10:26,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:10:26,560 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:10:26,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:10:26,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:10:26,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:10:26,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:10:26,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:10:26,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:10:26,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:10:26,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:10:26,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:10:26,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:10:26,563 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:10:26,563 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:10:26,563 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:10:26,563 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:10:26,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:10:26,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:10:26,563 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:10:26,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:10:26,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:10:26,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:10:26,803 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:10:26,804 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:10:26,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-01-10 04:10:26,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1934172da/db0b5beb69994fb3bda949c04ff0d2ca/FLAGb5b39deb9 [2022-01-10 04:10:27,243 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:10:27,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-01-10 04:10:27,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1934172da/db0b5beb69994fb3bda949c04ff0d2ca/FLAGb5b39deb9 [2022-01-10 04:10:27,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1934172da/db0b5beb69994fb3bda949c04ff0d2ca [2022-01-10 04:10:27,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:10:27,272 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:10:27,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:10:27,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:10:27,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:10:27,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1bfb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27, skipping insertion in model container [2022-01-10 04:10:27,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:10:27,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:10:27,562 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_4.cil-1.c[35886,35899] [2022-01-10 04:10:27,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:10:27,581 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:10:27,639 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_4.cil-1.c[35886,35899] [2022-01-10 04:10:27,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:10:27,663 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:10:27,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27 WrapperNode [2022-01-10 04:10:27,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:10:27,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:10:27,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:10:27,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:10:27,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,729 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 463 [2022-01-10 04:10:27,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:10:27,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:10:27,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:10:27,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:10:27,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:10:27,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:10:27,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:10:27,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:10:27,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (1/1) ... [2022-01-10 04:10:27,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:10:27,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:10:27,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 04:10:27,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 04:10:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:10:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:10:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:10:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:10:27,985 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:10:27,995 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:10:28,018 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:10:28,342 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-01-10 04:10:28,342 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-01-10 04:10:28,342 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:10:28,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:10:28,349 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:10:28,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:10:28 BoogieIcfgContainer [2022-01-10 04:10:28,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:10:28,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:10:28,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:10:28,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:10:28,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:10:27" (1/3) ... [2022-01-10 04:10:28,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0986f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:10:28, skipping insertion in model container [2022-01-10 04:10:28,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:10:27" (2/3) ... [2022-01-10 04:10:28,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0986f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:10:28, skipping insertion in model container [2022-01-10 04:10:28,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:10:28" (3/3) ... [2022-01-10 04:10:28,367 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-1.c [2022-01-10 04:10:28,371 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:10:28,372 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:10:28,442 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:10:28,457 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 04:10:28,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:10:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 127 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:28,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 04:10:28,476 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:28,476 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] [2022-01-10 04:10:28,477 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:28,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:28,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times [2022-01-10 04:10:28,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:28,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605628561] [2022-01-10 04:10:28,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:28,511 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:28,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:28,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:28,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 04:10:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:28,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 04:10:28,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:10:28,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:28,729 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:28,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605628561] [2022-01-10 04:10:28,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605628561] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:28,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:28,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:28,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268938804] [2022-01-10 04:10:28,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:28,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:28,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:28,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:28,760 INFO L87 Difference]: Start difference. First operand has 128 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 127 states have internal predecessors, (216), 0 states have call successors, (0), 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) [2022-01-10 04:10:28,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:28,892 INFO L93 Difference]: Finished difference Result 252 states and 427 transitions. [2022-01-10 04:10:28,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:28,895 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 [2022-01-10 04:10:28,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:28,908 INFO L225 Difference]: With dead ends: 252 [2022-01-10 04:10:28,908 INFO L226 Difference]: Without dead ends: 115 [2022-01-10 04:10:28,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:28,914 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 7 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:28,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 325 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:28,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-01-10 04:10:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-01-10 04:10:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 114 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2022-01-10 04:10:28,958 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24 [2022-01-10 04:10:28,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:28,959 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2022-01-10 04:10:28,959 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) [2022-01-10 04:10:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2022-01-10 04:10:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 04:10:28,961 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:28,961 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:28,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:29,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:29,168 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:29,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:29,169 INFO L85 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times [2022-01-10 04:10:29,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:29,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88296036] [2022-01-10 04:10:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:29,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:29,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:29,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:29,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 04:10:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:29,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:29,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:10:29,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:29,340 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:29,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88296036] [2022-01-10 04:10:29,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88296036] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:29,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:29,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:29,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608230248] [2022-01-10 04:10:29,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:29,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:29,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:29,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:29,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:29,342 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:29,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:29,437 INFO L93 Difference]: Finished difference Result 238 states and 360 transitions. [2022-01-10 04:10:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:29,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-01-10 04:10:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:29,439 INFO L225 Difference]: With dead ends: 238 [2022-01-10 04:10:29,439 INFO L226 Difference]: Without dead ends: 133 [2022-01-10 04:10:29,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:29,440 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:29,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 244 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:29,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-01-10 04:10:29,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2022-01-10 04:10:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.4883720930232558) internal successors, (192), 129 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions. [2022-01-10 04:10:29,447 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37 [2022-01-10 04:10:29,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:29,447 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions. [2022-01-10 04:10:29,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2022-01-10 04:10:29,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 04:10:29,448 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:29,448 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:29,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-01-10 04:10:29,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:29,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:29,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:29,655 INFO L85 PathProgramCache]: Analyzing trace with hash 356453796, now seen corresponding path program 1 times [2022-01-10 04:10:29,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:29,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182237100] [2022-01-10 04:10:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:29,659 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:29,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:29,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:29,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 04:10:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:29,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:29,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 04:10:29,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:29,777 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:29,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182237100] [2022-01-10 04:10:29,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182237100] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:29,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:29,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:29,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098319201] [2022-01-10 04:10:29,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:29,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:29,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:29,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:29,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:29,779 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:29,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:29,860 INFO L93 Difference]: Finished difference Result 271 states and 406 transitions. [2022-01-10 04:10:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:29,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 51 [2022-01-10 04:10:29,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:29,862 INFO L225 Difference]: With dead ends: 271 [2022-01-10 04:10:29,862 INFO L226 Difference]: Without dead ends: 151 [2022-01-10 04:10:29,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:29,885 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 15 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 257 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 [2022-01-10 04:10:29,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 257 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:29,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-01-10 04:10:29,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2022-01-10 04:10:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.4657534246575343) internal successors, (214), 146 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2022-01-10 04:10:29,891 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51 [2022-01-10 04:10:29,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:29,891 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2022-01-10 04:10:29,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:29,892 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2022-01-10 04:10:29,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-10 04:10:29,893 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:29,893 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] [2022-01-10 04:10:29,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:30,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:30,100 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:30,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:30,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1231505257, now seen corresponding path program 1 times [2022-01-10 04:10:30,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:30,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560485538] [2022-01-10 04:10:30,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:30,101 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:30,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:30,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:30,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 04:10:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:30,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:30,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 04:10:30,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:30,248 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:30,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560485538] [2022-01-10 04:10:30,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560485538] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:30,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:30,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:30,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492136871] [2022-01-10 04:10:30,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:30,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:30,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:30,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:30,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:30,252 INFO L87 Difference]: Start difference. First operand 147 states and 214 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) [2022-01-10 04:10:30,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:30,356 INFO L93 Difference]: Finished difference Result 327 states and 493 transitions. [2022-01-10 04:10:30,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:30,356 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 [2022-01-10 04:10:30,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:30,358 INFO L225 Difference]: With dead ends: 327 [2022-01-10 04:10:30,359 INFO L226 Difference]: Without dead ends: 190 [2022-01-10 04:10:30,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:30,366 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 28 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:30,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 239 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:30,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-01-10 04:10:30,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2022-01-10 04:10:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.39247311827957) internal successors, (259), 186 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 259 transitions. [2022-01-10 04:10:30,380 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 259 transitions. Word has length 68 [2022-01-10 04:10:30,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:30,381 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 259 transitions. [2022-01-10 04:10:30,381 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) [2022-01-10 04:10:30,381 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 259 transitions. [2022-01-10 04:10:30,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-10 04:10:30,382 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:30,382 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] [2022-01-10 04:10:30,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:30,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:30,592 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:30,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:30,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1258023705, now seen corresponding path program 1 times [2022-01-10 04:10:30,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:30,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508641867] [2022-01-10 04:10:30,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:30,593 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:30,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:30,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:30,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 04:10:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:30,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:30,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 04:10:30,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:30,721 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:30,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508641867] [2022-01-10 04:10:30,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [508641867] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:30,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:30,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:30,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668264542] [2022-01-10 04:10:30,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:30,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:30,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:30,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:30,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:30,722 INFO L87 Difference]: Start difference. First operand 187 states and 259 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) [2022-01-10 04:10:30,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:30,796 INFO L93 Difference]: Finished difference Result 389 states and 547 transitions. [2022-01-10 04:10:30,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:30,797 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 [2022-01-10 04:10:30,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:30,798 INFO L225 Difference]: With dead ends: 389 [2022-01-10 04:10:30,798 INFO L226 Difference]: Without dead ends: 212 [2022-01-10 04:10:30,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:30,799 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 18 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 262 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 [2022-01-10 04:10:30,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 262 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:30,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-01-10 04:10:30,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2022-01-10 04:10:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.3804878048780487) internal successors, (283), 205 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 283 transitions. [2022-01-10 04:10:30,804 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 283 transitions. Word has length 68 [2022-01-10 04:10:30,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:30,804 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 283 transitions. [2022-01-10 04:10:30,805 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) [2022-01-10 04:10:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 283 transitions. [2022-01-10 04:10:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-01-10 04:10:30,806 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:30,806 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, 1] [2022-01-10 04:10:30,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:31,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:31,013 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:31,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:31,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1378844437, now seen corresponding path program 1 times [2022-01-10 04:10:31,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:31,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336761635] [2022-01-10 04:10:31,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:31,014 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:31,015 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:31,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 04:10:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:31,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:31,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-01-10 04:10:31,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:31,208 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:31,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336761635] [2022-01-10 04:10:31,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336761635] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:31,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:31,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:31,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585905539] [2022-01-10 04:10:31,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:31,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:31,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:31,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:31,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:31,210 INFO L87 Difference]: Start difference. First operand 206 states and 283 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:31,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:31,268 INFO L93 Difference]: Finished difference Result 426 states and 594 transitions. [2022-01-10 04:10:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:31,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 85 [2022-01-10 04:10:31,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:31,269 INFO L225 Difference]: With dead ends: 426 [2022-01-10 04:10:31,270 INFO L226 Difference]: Without dead ends: 230 [2022-01-10 04:10:31,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:31,271 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:31,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 261 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:31,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-01-10 04:10:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2022-01-10 04:10:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.3672566371681416) internal successors, (309), 226 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 309 transitions. [2022-01-10 04:10:31,276 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 309 transitions. Word has length 85 [2022-01-10 04:10:31,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:31,276 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 309 transitions. [2022-01-10 04:10:31,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 309 transitions. [2022-01-10 04:10:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-10 04:10:31,277 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:31,277 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] [2022-01-10 04:10:31,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:31,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:31,488 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:31,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:31,488 INFO L85 PathProgramCache]: Analyzing trace with hash 311084899, now seen corresponding path program 1 times [2022-01-10 04:10:31,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:31,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763821814] [2022-01-10 04:10:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:31,489 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:31,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:31,491 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:31,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 04:10:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:31,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:31,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 04:10:31,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:31,696 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:31,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763821814] [2022-01-10 04:10:31,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763821814] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:31,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:31,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:31,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514631800] [2022-01-10 04:10:31,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:31,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:31,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:31,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:31,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:31,698 INFO L87 Difference]: Start difference. First operand 227 states and 309 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:31,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:31,714 INFO L93 Difference]: Finished difference Result 657 states and 895 transitions. [2022-01-10 04:10:31,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:31,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 105 [2022-01-10 04:10:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:31,716 INFO L225 Difference]: With dead ends: 657 [2022-01-10 04:10:31,716 INFO L226 Difference]: Without dead ends: 440 [2022-01-10 04:10:31,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:31,717 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 124 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:31,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 363 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-01-10 04:10:31,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-01-10 04:10:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 439 states have (on average 1.355353075170843) internal successors, (595), 439 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 595 transitions. [2022-01-10 04:10:31,724 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 595 transitions. Word has length 105 [2022-01-10 04:10:31,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:31,724 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 595 transitions. [2022-01-10 04:10:31,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 595 transitions. [2022-01-10 04:10:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-10 04:10:31,726 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:31,726 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] [2022-01-10 04:10:31,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:31,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:31,934 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:31,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:31,934 INFO L85 PathProgramCache]: Analyzing trace with hash 990357153, now seen corresponding path program 1 times [2022-01-10 04:10:31,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:31,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950201099] [2022-01-10 04:10:31,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:31,935 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:31,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:31,942 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:31,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 04:10:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:32,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:32,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-01-10 04:10:32,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:32,126 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:32,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950201099] [2022-01-10 04:10:32,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950201099] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:32,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:32,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:32,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377002493] [2022-01-10 04:10:32,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:32,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:32,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:32,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:32,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:32,130 INFO L87 Difference]: Start difference. First operand 440 states and 595 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:32,149 INFO L93 Difference]: Finished difference Result 891 states and 1204 transitions. [2022-01-10 04:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:32,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 105 [2022-01-10 04:10:32,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:32,152 INFO L225 Difference]: With dead ends: 891 [2022-01-10 04:10:32,152 INFO L226 Difference]: Without dead ends: 461 [2022-01-10 04:10:32,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:32,153 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 11 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:32,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 343 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:32,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-01-10 04:10:32,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2022-01-10 04:10:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 460 states have (on average 1.3521739130434782) internal successors, (622), 460 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 622 transitions. [2022-01-10 04:10:32,166 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 622 transitions. Word has length 105 [2022-01-10 04:10:32,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:32,168 INFO L470 AbstractCegarLoop]: Abstraction has 461 states and 622 transitions. [2022-01-10 04:10:32,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 622 transitions. [2022-01-10 04:10:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-10 04:10:32,170 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:32,170 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] [2022-01-10 04:10:32,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:32,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:32,379 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:32,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:32,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1829390815, now seen corresponding path program 1 times [2022-01-10 04:10:32,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:32,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843897999] [2022-01-10 04:10:32,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:32,380 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:32,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:32,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:32,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 04:10:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:32,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:32,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:32,543 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-01-10 04:10:32,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:32,544 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:32,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843897999] [2022-01-10 04:10:32,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843897999] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:32,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:32,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:32,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528565729] [2022-01-10 04:10:32,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:32,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:32,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:32,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:32,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:32,545 INFO L87 Difference]: Start difference. First operand 461 states and 622 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:32,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:32,565 INFO L93 Difference]: Finished difference Result 939 states and 1265 transitions. [2022-01-10 04:10:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:32,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 105 [2022-01-10 04:10:32,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:32,567 INFO L225 Difference]: With dead ends: 939 [2022-01-10 04:10:32,567 INFO L226 Difference]: Without dead ends: 488 [2022-01-10 04:10:32,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:32,568 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 20 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:32,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 315 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-01-10 04:10:32,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2022-01-10 04:10:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 487 states have (on average 1.3470225872689938) internal successors, (656), 487 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) [2022-01-10 04:10:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 656 transitions. [2022-01-10 04:10:32,575 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 656 transitions. Word has length 105 [2022-01-10 04:10:32,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:32,575 INFO L470 AbstractCegarLoop]: Abstraction has 488 states and 656 transitions. [2022-01-10 04:10:32,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 656 transitions. [2022-01-10 04:10:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-10 04:10:32,576 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:32,577 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, 1] [2022-01-10 04:10:32,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:32,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:32,784 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:32,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:32,784 INFO L85 PathProgramCache]: Analyzing trace with hash -915547054, now seen corresponding path program 1 times [2022-01-10 04:10:32,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:32,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979755856] [2022-01-10 04:10:32,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:32,804 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:32,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:32,805 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:32,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 04:10:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:32,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:32,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-01-10 04:10:32,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:32,988 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:32,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979755856] [2022-01-10 04:10:32,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979755856] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:32,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:32,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:32,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286172733] [2022-01-10 04:10:32,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:32,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:32,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:32,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:32,990 INFO L87 Difference]: Start difference. First operand 488 states and 656 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:33,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:33,018 INFO L93 Difference]: Finished difference Result 1153 states and 1557 transitions. [2022-01-10 04:10:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:33,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-01-10 04:10:33,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:33,020 INFO L225 Difference]: With dead ends: 1153 [2022-01-10 04:10:33,020 INFO L226 Difference]: Without dead ends: 702 [2022-01-10 04:10:33,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:33,021 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 128 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:33,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 467 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:33,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-01-10 04:10:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2022-01-10 04:10:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 701 states have (on average 1.3452211126961484) internal successors, (943), 701 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 943 transitions. [2022-01-10 04:10:33,030 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 943 transitions. Word has length 107 [2022-01-10 04:10:33,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:33,031 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 943 transitions. [2022-01-10 04:10:33,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 943 transitions. [2022-01-10 04:10:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-10 04:10:33,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:33,032 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, 1] [2022-01-10 04:10:33,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:33,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:33,238 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:33,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:33,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1049560560, now seen corresponding path program 1 times [2022-01-10 04:10:33,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:33,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157875959] [2022-01-10 04:10:33,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:33,239 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:33,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:33,240 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:33,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 04:10:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:33,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:33,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-01-10 04:10:33,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:33,420 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:33,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157875959] [2022-01-10 04:10:33,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [157875959] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:33,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:33,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:33,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672255626] [2022-01-10 04:10:33,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:33,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:33,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:33,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:33,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:33,422 INFO L87 Difference]: Start difference. First operand 702 states and 943 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) [2022-01-10 04:10:33,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:33,440 INFO L93 Difference]: Finished difference Result 1392 states and 1869 transitions. [2022-01-10 04:10:33,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:33,440 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 107 [2022-01-10 04:10:33,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:33,442 INFO L225 Difference]: With dead ends: 1392 [2022-01-10 04:10:33,442 INFO L226 Difference]: Without dead ends: 727 [2022-01-10 04:10:33,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:33,443 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 10 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:33,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 352 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:33,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2022-01-10 04:10:33,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 727. [2022-01-10 04:10:33,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 726 states have (on average 1.340220385674931) internal successors, (973), 726 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:33,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 973 transitions. [2022-01-10 04:10:33,454 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 973 transitions. Word has length 107 [2022-01-10 04:10:33,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:33,454 INFO L470 AbstractCegarLoop]: Abstraction has 727 states and 973 transitions. [2022-01-10 04:10:33,454 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) [2022-01-10 04:10:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 973 transitions. [2022-01-10 04:10:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-01-10 04:10:33,455 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:33,455 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 3, 3, 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] [2022-01-10 04:10:33,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:33,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:33,662 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:33,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:33,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1430305885, now seen corresponding path program 1 times [2022-01-10 04:10:33,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:33,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266771542] [2022-01-10 04:10:33,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:33,663 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:33,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:33,665 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:33,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 04:10:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:33,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:33,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:33,895 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-01-10 04:10:33,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:33,895 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:33,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266771542] [2022-01-10 04:10:33,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266771542] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:33,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:33,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:33,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629043318] [2022-01-10 04:10:33,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:33,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:33,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:33,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:33,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:33,897 INFO L87 Difference]: Start difference. First operand 727 states and 973 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:34,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:34,013 INFO L93 Difference]: Finished difference Result 1497 states and 2035 transitions. [2022-01-10 04:10:34,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:34,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-01-10 04:10:34,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:34,020 INFO L225 Difference]: With dead ends: 1497 [2022-01-10 04:10:34,020 INFO L226 Difference]: Without dead ends: 807 [2022-01-10 04:10:34,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:34,021 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 18 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:34,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 260 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:34,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2022-01-10 04:10:34,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 796. [2022-01-10 04:10:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 795 states have (on average 1.3295597484276729) internal successors, (1057), 795 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1057 transitions. [2022-01-10 04:10:34,036 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1057 transitions. Word has length 147 [2022-01-10 04:10:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:34,037 INFO L470 AbstractCegarLoop]: Abstraction has 796 states and 1057 transitions. [2022-01-10 04:10:34,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1057 transitions. [2022-01-10 04:10:34,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-01-10 04:10:34,042 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:34,042 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:34,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:34,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:34,250 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:34,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:34,251 INFO L85 PathProgramCache]: Analyzing trace with hash -436043407, now seen corresponding path program 1 times [2022-01-10 04:10:34,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:34,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132472053] [2022-01-10 04:10:34,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:34,252 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:34,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:34,253 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:34,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 04:10:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:34,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:34,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-01-10 04:10:34,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:34,534 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:34,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132472053] [2022-01-10 04:10:34,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132472053] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:34,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:34,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:34,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683096952] [2022-01-10 04:10:34,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:34,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:34,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:34,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:34,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:34,535 INFO L87 Difference]: Start difference. First operand 796 states and 1057 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:34,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:34,631 INFO L93 Difference]: Finished difference Result 1639 states and 2216 transitions. [2022-01-10 04:10:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:34,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 168 [2022-01-10 04:10:34,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:34,633 INFO L225 Difference]: With dead ends: 1639 [2022-01-10 04:10:34,633 INFO L226 Difference]: Without dead ends: 880 [2022-01-10 04:10:34,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:34,634 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:34,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 262 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:34,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2022-01-10 04:10:34,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 871. [2022-01-10 04:10:34,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 870 states have (on average 1.318390804597701) internal successors, (1147), 870 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1147 transitions. [2022-01-10 04:10:34,645 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1147 transitions. Word has length 168 [2022-01-10 04:10:34,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:34,645 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1147 transitions. [2022-01-10 04:10:34,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1147 transitions. [2022-01-10 04:10:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-01-10 04:10:34,646 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:34,647 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:34,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:34,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:34,854 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:34,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:34,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1877652514, now seen corresponding path program 1 times [2022-01-10 04:10:34,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:34,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754694466] [2022-01-10 04:10:34,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:34,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:34,856 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:34,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 04:10:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:34,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:34,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-01-10 04:10:35,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:35,156 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:35,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754694466] [2022-01-10 04:10:35,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754694466] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:35,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:35,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:35,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819037033] [2022-01-10 04:10:35,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:35,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:35,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:35,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:35,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:35,157 INFO L87 Difference]: Start difference. First operand 871 states and 1147 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:35,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:35,246 INFO L93 Difference]: Finished difference Result 1795 states and 2405 transitions. [2022-01-10 04:10:35,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:35,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 192 [2022-01-10 04:10:35,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:35,249 INFO L225 Difference]: With dead ends: 1795 [2022-01-10 04:10:35,249 INFO L226 Difference]: Without dead ends: 961 [2022-01-10 04:10:35,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:35,250 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 18 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:35,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 262 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:35,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2022-01-10 04:10:35,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 955. [2022-01-10 04:10:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 954 states have (on average 1.3060796645702306) internal successors, (1246), 954 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:35,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1246 transitions. [2022-01-10 04:10:35,262 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1246 transitions. Word has length 192 [2022-01-10 04:10:35,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:35,262 INFO L470 AbstractCegarLoop]: Abstraction has 955 states and 1246 transitions. [2022-01-10 04:10:35,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1246 transitions. [2022-01-10 04:10:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-01-10 04:10:35,264 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:35,264 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:35,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:35,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:35,471 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:35,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1999918176, now seen corresponding path program 1 times [2022-01-10 04:10:35,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:35,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770341468] [2022-01-10 04:10:35,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:35,473 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:35,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:35,476 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:35,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 04:10:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:35,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:35,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-01-10 04:10:35,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:35,803 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:35,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770341468] [2022-01-10 04:10:35,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770341468] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:35,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:35,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:35,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498623406] [2022-01-10 04:10:35,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:35,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:35,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:35,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:35,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:35,806 INFO L87 Difference]: Start difference. First operand 955 states and 1246 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:35,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:35,924 INFO L93 Difference]: Finished difference Result 1975 states and 2630 transitions. [2022-01-10 04:10:35,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:35,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 192 [2022-01-10 04:10:35,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:35,928 INFO L225 Difference]: With dead ends: 1975 [2022-01-10 04:10:35,929 INFO L226 Difference]: Without dead ends: 1057 [2022-01-10 04:10:35,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:35,933 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 23 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:35,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 263 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:35,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2022-01-10 04:10:35,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1048. [2022-01-10 04:10:35,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1047 states have (on average 1.2932187201528176) internal successors, (1354), 1047 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1354 transitions. [2022-01-10 04:10:35,951 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1354 transitions. Word has length 192 [2022-01-10 04:10:35,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:35,951 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 1354 transitions. [2022-01-10 04:10:35,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:35,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1354 transitions. [2022-01-10 04:10:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-01-10 04:10:35,954 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:35,955 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:35,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:36,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:36,165 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:36,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:36,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1781868418, now seen corresponding path program 1 times [2022-01-10 04:10:36,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:36,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171976481] [2022-01-10 04:10:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:36,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:36,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:36,182 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:36,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 04:10:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:36,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:36,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-01-10 04:10:36,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:36,547 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:36,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171976481] [2022-01-10 04:10:36,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171976481] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:36,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:36,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:36,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742254838] [2022-01-10 04:10:36,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:36,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:36,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:36,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:36,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:36,548 INFO L87 Difference]: Start difference. First operand 1048 states and 1354 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) [2022-01-10 04:10:36,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:36,577 INFO L93 Difference]: Finished difference Result 2983 states and 3864 transitions. [2022-01-10 04:10:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:36,577 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 222 [2022-01-10 04:10:36,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:36,583 INFO L225 Difference]: With dead ends: 2983 [2022-01-10 04:10:36,583 INFO L226 Difference]: Without dead ends: 1972 [2022-01-10 04:10:36,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:36,585 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 126 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 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, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:36,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 482 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:36,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2022-01-10 04:10:36,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1970. [2022-01-10 04:10:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1970 states, 1969 states have (on average 1.2955815134586084) internal successors, (2551), 1969 states have internal predecessors, (2551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1970 states and 2551 transitions. [2022-01-10 04:10:36,612 INFO L78 Accepts]: Start accepts. Automaton has 1970 states and 2551 transitions. Word has length 222 [2022-01-10 04:10:36,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:36,612 INFO L470 AbstractCegarLoop]: Abstraction has 1970 states and 2551 transitions. [2022-01-10 04:10:36,613 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) [2022-01-10 04:10:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2551 transitions. [2022-01-10 04:10:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-01-10 04:10:36,615 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:36,615 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:36,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:36,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:36,822 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:36,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:36,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2095702272, now seen corresponding path program 1 times [2022-01-10 04:10:36,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:36,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171550197] [2022-01-10 04:10:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:36,823 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:36,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:36,824 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:36,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-01-10 04:10:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:36,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:36,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2022-01-10 04:10:37,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:37,185 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:37,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171550197] [2022-01-10 04:10:37,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171550197] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:37,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:37,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:37,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690138483] [2022-01-10 04:10:37,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:37,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:37,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:37,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:37,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:37,186 INFO L87 Difference]: Start difference. First operand 1970 states and 2551 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) [2022-01-10 04:10:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:37,290 INFO L93 Difference]: Finished difference Result 4134 states and 5471 transitions. [2022-01-10 04:10:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:37,290 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 222 [2022-01-10 04:10:37,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:37,295 INFO L225 Difference]: With dead ends: 4134 [2022-01-10 04:10:37,295 INFO L226 Difference]: Without dead ends: 2201 [2022-01-10 04:10:37,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:37,298 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 28 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:37,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 262 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:37,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2022-01-10 04:10:37,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 2189. [2022-01-10 04:10:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2189 states, 2188 states have (on average 1.2797074954296161) internal successors, (2800), 2188 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 2800 transitions. [2022-01-10 04:10:37,346 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 2800 transitions. Word has length 222 [2022-01-10 04:10:37,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:37,347 INFO L470 AbstractCegarLoop]: Abstraction has 2189 states and 2800 transitions. [2022-01-10 04:10:37,347 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) [2022-01-10 04:10:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2800 transitions. [2022-01-10 04:10:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-01-10 04:10:37,350 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:37,350 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 5, 5, 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] [2022-01-10 04:10:37,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-01-10 04:10:37,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:37,562 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:37,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1732498600, now seen corresponding path program 1 times [2022-01-10 04:10:37,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:37,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829240414] [2022-01-10 04:10:37,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:37,562 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:37,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:37,564 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:37,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-01-10 04:10:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:37,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:37,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 394 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2022-01-10 04:10:37,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:37,855 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:37,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829240414] [2022-01-10 04:10:37,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1829240414] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:37,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:37,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:37,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263618370] [2022-01-10 04:10:37,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:37,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:37,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:37,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:37,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:37,858 INFO L87 Difference]: Start difference. First operand 2189 states and 2800 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:37,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:37,970 INFO L93 Difference]: Finished difference Result 4452 states and 5750 transitions. [2022-01-10 04:10:37,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:37,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2022-01-10 04:10:37,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:37,981 INFO L225 Difference]: With dead ends: 4452 [2022-01-10 04:10:37,981 INFO L226 Difference]: Without dead ends: 2300 [2022-01-10 04:10:37,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:37,983 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 24 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:37,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 262 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:37,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2022-01-10 04:10:38,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2288. [2022-01-10 04:10:38,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2288 states, 2287 states have (on average 1.2741582859641452) internal successors, (2914), 2287 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 2288 states and 2914 transitions. [2022-01-10 04:10:38,011 INFO L78 Accepts]: Start accepts. Automaton has 2288 states and 2914 transitions. Word has length 246 [2022-01-10 04:10:38,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:38,011 INFO L470 AbstractCegarLoop]: Abstraction has 2288 states and 2914 transitions. [2022-01-10 04:10:38,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2914 transitions. [2022-01-10 04:10:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-01-10 04:10:38,014 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:38,014 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 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] [2022-01-10 04:10:38,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-01-10 04:10:38,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:38,221 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:38,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:38,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1124622471, now seen corresponding path program 1 times [2022-01-10 04:10:38,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:38,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224927173] [2022-01-10 04:10:38,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:38,222 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:38,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:38,223 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:38,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-01-10 04:10:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:38,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:38,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 394 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2022-01-10 04:10:38,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:38,662 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:38,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224927173] [2022-01-10 04:10:38,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224927173] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:38,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:38,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:38,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724015853] [2022-01-10 04:10:38,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:38,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:38,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:38,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:38,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:38,665 INFO L87 Difference]: Start difference. First operand 2288 states and 2914 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:38,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:38,776 INFO L93 Difference]: Finished difference Result 4773 states and 6212 transitions. [2022-01-10 04:10:38,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:38,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 257 [2022-01-10 04:10:38,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:38,784 INFO L225 Difference]: With dead ends: 4773 [2022-01-10 04:10:38,784 INFO L226 Difference]: Without dead ends: 2522 [2022-01-10 04:10:38,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:38,788 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 29 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:38,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 258 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:38,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2022-01-10 04:10:38,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2510. [2022-01-10 04:10:38,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 2509 states have (on average 1.2618573136707851) internal successors, (3166), 2509 states have internal predecessors, (3166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3166 transitions. [2022-01-10 04:10:38,827 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3166 transitions. Word has length 257 [2022-01-10 04:10:38,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:38,827 INFO L470 AbstractCegarLoop]: Abstraction has 2510 states and 3166 transitions. [2022-01-10 04:10:38,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3166 transitions. [2022-01-10 04:10:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-01-10 04:10:38,831 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:38,831 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:38,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-01-10 04:10:39,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:39,040 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:39,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:39,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1124753462, now seen corresponding path program 1 times [2022-01-10 04:10:39,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:39,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182052031] [2022-01-10 04:10:39,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:39,041 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:39,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:39,042 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:39,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-01-10 04:10:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:39,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:39,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 442 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-01-10 04:10:39,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:39,460 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:39,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182052031] [2022-01-10 04:10:39,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182052031] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:39,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:39,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:39,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066159543] [2022-01-10 04:10:39,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:39,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:39,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:39,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:39,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:39,462 INFO L87 Difference]: Start difference. First operand 2510 states and 3166 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:39,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:39,566 INFO L93 Difference]: Finished difference Result 5235 states and 6752 transitions. [2022-01-10 04:10:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:39,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 293 [2022-01-10 04:10:39,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:39,572 INFO L225 Difference]: With dead ends: 5235 [2022-01-10 04:10:39,573 INFO L226 Difference]: Without dead ends: 2762 [2022-01-10 04:10:39,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:39,575 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 37 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:39,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 255 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:39,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2022-01-10 04:10:39,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2756. [2022-01-10 04:10:39,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2755 states have (on average 1.2493647912885661) internal successors, (3442), 2755 states have internal predecessors, (3442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3442 transitions. [2022-01-10 04:10:39,608 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3442 transitions. Word has length 293 [2022-01-10 04:10:39,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:39,608 INFO L470 AbstractCegarLoop]: Abstraction has 2756 states and 3442 transitions. [2022-01-10 04:10:39,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3442 transitions. [2022-01-10 04:10:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-01-10 04:10:39,611 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:39,611 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:39,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:39,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:39,819 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:39,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:39,819 INFO L85 PathProgramCache]: Analyzing trace with hash -264831764, now seen corresponding path program 1 times [2022-01-10 04:10:39,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:39,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2024988744] [2022-01-10 04:10:39,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:39,820 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:39,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:39,821 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:39,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-01-10 04:10:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:39,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:39,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:40,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2022-01-10 04:10:40,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:40,259 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:40,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2024988744] [2022-01-10 04:10:40,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2024988744] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:40,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:40,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:40,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921073212] [2022-01-10 04:10:40,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:40,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:40,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:40,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:40,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:40,261 INFO L87 Difference]: Start difference. First operand 2756 states and 3442 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:40,316 INFO L93 Difference]: Finished difference Result 7810 states and 9780 transitions. [2022-01-10 04:10:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:40,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 294 [2022-01-10 04:10:40,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:40,332 INFO L225 Difference]: With dead ends: 7810 [2022-01-10 04:10:40,332 INFO L226 Difference]: Without dead ends: 5091 [2022-01-10 04:10:40,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:40,336 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 85 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:40,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 408 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:10:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5091 states. [2022-01-10 04:10:40,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5091 to 5089. [2022-01-10 04:10:40,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5089 states, 5088 states have (on average 1.251375786163522) internal successors, (6367), 5088 states have internal predecessors, (6367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 6367 transitions. [2022-01-10 04:10:40,408 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 6367 transitions. Word has length 294 [2022-01-10 04:10:40,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:40,409 INFO L470 AbstractCegarLoop]: Abstraction has 5089 states and 6367 transitions. [2022-01-10 04:10:40,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 6367 transitions. [2022-01-10 04:10:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-01-10 04:10:40,416 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:40,416 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:40,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:40,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:40,636 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:40,636 INFO L85 PathProgramCache]: Analyzing trace with hash -870156213, now seen corresponding path program 1 times [2022-01-10 04:10:40,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:40,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276980525] [2022-01-10 04:10:40,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:40,637 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:40,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:40,638 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:40,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-01-10 04:10:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:40,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:10:40,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-01-10 04:10:41,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:10:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-01-10 04:10:41,380 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:41,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276980525] [2022-01-10 04:10:41,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276980525] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:10:41,380 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:10:41,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:10:41,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696373932] [2022-01-10 04:10:41,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:10:41,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 04:10:41,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:41,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 04:10:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 04:10:41,382 INFO L87 Difference]: Start difference. First operand 5089 states and 6367 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) [2022-01-10 04:10:41,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:41,838 INFO L93 Difference]: Finished difference Result 13764 states and 17351 transitions. [2022-01-10 04:10:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-10 04:10:41,838 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 332 [2022-01-10 04:10:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:41,853 INFO L225 Difference]: With dead ends: 13764 [2022-01-10 04:10:41,853 INFO L226 Difference]: Without dead ends: 8712 [2022-01-10 04:10:41,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:10:41,857 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 483 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:41,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 742 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:10:41,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8712 states. [2022-01-10 04:10:41,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8712 to 5751. [2022-01-10 04:10:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5751 states, 5750 states have (on average 1.2742608695652173) internal successors, (7327), 5750 states have internal predecessors, (7327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:41,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5751 states to 5751 states and 7327 transitions. [2022-01-10 04:10:41,924 INFO L78 Accepts]: Start accepts. Automaton has 5751 states and 7327 transitions. Word has length 332 [2022-01-10 04:10:41,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:41,925 INFO L470 AbstractCegarLoop]: Abstraction has 5751 states and 7327 transitions. [2022-01-10 04:10:41,925 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) [2022-01-10 04:10:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5751 states and 7327 transitions. [2022-01-10 04:10:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-01-10 04:10:41,930 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:41,930 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:41,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:42,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:42,137 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:42,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:42,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1471632604, now seen corresponding path program 1 times [2022-01-10 04:10:42,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:42,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252062544] [2022-01-10 04:10:42,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:42,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:42,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:42,140 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:42,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-01-10 04:10:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:42,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:10:42,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1529 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-01-10 04:10:42,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:10:42,755 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:42,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252062544] [2022-01-10 04:10:42,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252062544] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:10:42,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:10:42,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:10:42,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375904064] [2022-01-10 04:10:42,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:10:42,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:10:42,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:42,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:10:42,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:42,757 INFO L87 Difference]: Start difference. First operand 5751 states and 7327 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) [2022-01-10 04:10:42,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:42,891 INFO L93 Difference]: Finished difference Result 11229 states and 14451 transitions. [2022-01-10 04:10:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:10:42,892 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 371 [2022-01-10 04:10:42,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:42,897 INFO L225 Difference]: With dead ends: 11229 [2022-01-10 04:10:42,897 INFO L226 Difference]: Without dead ends: 2890 [2022-01-10 04:10:42,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:10:42,904 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 31 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:42,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 262 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:10:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2890 states. [2022-01-10 04:10:42,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2890 to 2724. [2022-01-10 04:10:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 2723 states have (on average 1.239809034153507) internal successors, (3376), 2723 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 3376 transitions. [2022-01-10 04:10:42,970 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 3376 transitions. Word has length 371 [2022-01-10 04:10:42,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:42,971 INFO L470 AbstractCegarLoop]: Abstraction has 2724 states and 3376 transitions. [2022-01-10 04:10:42,971 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) [2022-01-10 04:10:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3376 transitions. [2022-01-10 04:10:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-01-10 04:10:42,975 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:10:42,975 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 15, 13, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:42,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-01-10 04:10:43,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:43,186 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:10:43,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:10:43,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1411299152, now seen corresponding path program 1 times [2022-01-10 04:10:43,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:10:43,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254730344] [2022-01-10 04:10:43,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:10:43,187 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:10:43,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:10:43,189 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:10:43,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-01-10 04:10:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:10:43,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:10:43,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:10:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 1498 proven. 15 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-01-10 04:10:43,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:10:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 1498 proven. 15 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-01-10 04:10:44,530 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:10:44,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254730344] [2022-01-10 04:10:44,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1254730344] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:10:44,530 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:10:44,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:10:44,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904047670] [2022-01-10 04:10:44,530 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:10:44,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 04:10:44,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:10:44,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 04:10:44,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 04:10:44,531 INFO L87 Difference]: Start difference. First operand 2724 states and 3376 transitions. Second operand has 6 states, 6 states have (on average 44.5) internal successors, (267), 6 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:10:44,910 INFO L93 Difference]: Finished difference Result 2959 states and 3674 transitions. [2022-01-10 04:10:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:10:44,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.5) internal successors, (267), 6 states have internal predecessors, (267), 0 states have call successors, (0), 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 484 [2022-01-10 04:10:44,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:10:44,911 INFO L225 Difference]: With dead ends: 2959 [2022-01-10 04:10:44,911 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:10:44,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-10 04:10:44,913 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 121 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:10:44,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 262 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:10:44,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:10:44,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:10:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:10:44,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 484 [2022-01-10 04:10:44,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:10:44,914 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:10:44,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.5) internal successors, (267), 6 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:10:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:10:44,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:10:44,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:10:44,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2022-01-10 04:10:45,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:10:45,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:10:47,076 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 403) no Hoare annotation was computed. [2022-01-10 04:10:47,076 INFO L854 garLoopResultBuilder]: At program point L333(lines 87 562) the Hoare annotation is: false [2022-01-10 04:10:47,076 INFO L858 garLoopResultBuilder]: For program point L399-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 04:10:47,076 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 245) no Hoare annotation was computed. [2022-01-10 04:10:47,076 INFO L858 garLoopResultBuilder]: For program point L234-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 04:10:47,076 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 548) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 296 308) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 547) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 501) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 512) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 523) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 539) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L534-2(lines 533 547) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-01-10 04:10:47,077 INFO L854 garLoopResultBuilder]: At program point L204(lines 200 502) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4560 32)) (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|) .cse0) (and (let ((.cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))) (or (and (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4560 32)) .cse1) (and .cse0 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32))) .cse1))) (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4401 32)))))) [2022-01-10 04:10:47,077 INFO L854 garLoopResultBuilder]: At program point L138(lines 134 524) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| (_ bv1 32)) (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))) (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4401 32)))) [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 538) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 500) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 511) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 522) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 377) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L372-2(lines 372 377) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L854 garLoopResultBuilder]: At program point L207(lines 206 500) the Hoare annotation is: (let ((.cse0 (= (_ bv4352 32) |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and (= (_ bv3 32) |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0) (and (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4560 32)) (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|) .cse0))) [2022-01-10 04:10:47,078 INFO L854 garLoopResultBuilder]: At program point L174(lines 164 514) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and .cse0 .cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (and .cse0 .cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32)))) (and (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 472 474) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L861 garLoopResultBuilder]: At program point L572(lines 564 574) the Hoare annotation is: true [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 499) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 510) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 521) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L110-1(lines 87 562) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 411) no Hoare annotation was computed. [2022-01-10 04:10:47,078 INFO L861 garLoopResultBuilder]: At program point L210(lines 209 499) the Hoare annotation is: true [2022-01-10 04:10:47,079 INFO L854 garLoopResultBuilder]: At program point L144(lines 140 522) the Hoare annotation is: (and (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|) (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L277(lines 277 279) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L277-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 445) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L861 garLoopResultBuilder]: At program point L212(lines 211 499) the Hoare annotation is: true [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 509) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 520) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 531) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L854 garLoopResultBuilder]: At program point L180(lines 176 510) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and .cse0 .cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (and .cse0 .cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32)))) (and (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-01-10 04:10:47,079 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 531) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| (_ bv0 32)) (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv12292 32))) [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2022-01-10 04:10:47,079 INFO L858 garLoopResultBuilder]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 508) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 519) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 530) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 520) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32)))) (and .cse0 .cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (and .cse0 (= (_ bv3 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1))) [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 253) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L283-2(lines 283 287) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 385) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L854 garLoopResultBuilder]: At program point L218(lines 116 530) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| (_ bv0 32)) (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))) (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4401 32)))) [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 507) no Hoare annotation was computed. [2022-01-10 04:10:47,080 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 518) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 529) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L854 garLoopResultBuilder]: At program point L186(lines 182 508) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and .cse0 .cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (and .cse0 .cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32)))) (and (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L484-2(lines 484 486) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L861 garLoopResultBuilder]: At program point L551(lines 109 552) the Hoare annotation is: true [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 506) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 517) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 528) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 518) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and .cse0 .cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (and (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 225) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 223 225) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 505) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 516) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 527) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 491) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 467) no Hoare annotation was computed. [2022-01-10 04:10:47,081 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 437) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L423-1(lines 423 437) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L456-2(lines 456 467) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 327) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L854 garLoopResultBuilder]: At program point L192(lines 188 506) the Hoare annotation is: (let ((.cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse0 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4401 32)))) (and .cse2 .cse0 .cse1) (and .cse2 .cse0 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32)))) (and (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse0))) [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 558) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L556-2(lines 556 558) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 361) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 504) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 515) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 526) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 395) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 308) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 231) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 308) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 516) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and .cse0 .cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (and .cse0 .cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32)))) (and (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2022-01-10 04:10:47,082 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 433) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 264) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L262-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 503) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 514) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 525) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L861 garLoopResultBuilder]: At program point L561(lines 22 563) the Hoare annotation is: true [2022-01-10 04:10:47,083 INFO L854 garLoopResultBuilder]: At program point L198(lines 194 504) the Hoare annotation is: (let ((.cse1 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse0 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4401 32)))) (and .cse2 .cse0 .cse1) (and .cse2 .cse0 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32)))) (and (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse0))) [2022-01-10 04:10:47,083 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 526) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| (_ bv0 32)) (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))) (not (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4401 32)))) [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 101) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L99-2(lines 96 102) no Hoare annotation was computed. [2022-01-10 04:10:47,083 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2022-01-10 04:10:47,084 INFO L854 garLoopResultBuilder]: At program point L497(lines 110 550) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4560 32))) (.cse1 (= (_ bv4352 32) |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse4 (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4560 32))) (.cse8 (= (_ bv4528 32) |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse7 (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4416 32))) (.cse12 (= (_ bv4464 32) |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse9 (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4496 32))) (.cse5 (= (_ bv4 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse6 (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4448 32))) (.cse13 (= (_ bv4432 32) |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse15 (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv3 32))) (.cse14 (= (_ bv4512 32) |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse10 (not (= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| (_ bv4400 32)))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_ssl3_connect_~s__hit~0#1|)) (.cse11 (= (_ bv4480 32) |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse0 (= (_ bv2 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))) (or (and (= (_ bv3 32) |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3) (and .cse3 .cse0 (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4400 32))) (and .cse7 .cse3 (= (_ bv3 32) |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (and .cse5 .cse3 .cse8) (and .cse3 .cse9 .cse10) (and .cse3 .cse11 .cse10) (and .cse5 .cse7 .cse3 .cse10) (and .cse6 .cse3 .cse10) (and .cse5 .cse3 .cse12) (and .cse5 .cse3 .cse13) (and .cse3 .cse8 .cse10) (and .cse2 .cse3 .cse1) (and .cse5 .cse3 .cse11) (and .cse14 .cse0) (and .cse3 .cse9 .cse0) (and .cse4 .cse0) (and .cse8 .cse0) (and .cse3 .cse10 .cse12) (and .cse7 .cse3 .cse0) (and .cse3 .cse0 .cse12) (and .cse5 .cse3 .cse9) (and .cse5 .cse3 .cse14) (and .cse6 .cse3 .cse0) (and .cse15 .cse10) (and .cse3 .cse0 .cse13) (and .cse3 .cse15 .cse0) (and (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| (_ bv0 32)) (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4368 32))) (and .cse3 .cse14 .cse10) (and .cse3 .cse11 .cse0) (and (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| (_ bv1 32)) (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| (_ bv4384 32))))) [2022-01-10 04:10:47,084 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed. [2022-01-10 04:10:47,084 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 502) no Hoare annotation was computed. [2022-01-10 04:10:47,084 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 513) no Hoare annotation was computed. [2022-01-10 04:10:47,084 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 524) no Hoare annotation was computed. [2022-01-10 04:10:47,086 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:10:47,089 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:10:47,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:10:47 BoogieIcfgContainer [2022-01-10 04:10:47,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:10:47,116 INFO L158 Benchmark]: Toolchain (without parser) took 19844.10ms. Allocated memory was 182.5MB in the beginning and 406.8MB in the end (delta: 224.4MB). Free memory was 132.8MB in the beginning and 147.8MB in the end (delta: -14.9MB). Peak memory consumption was 240.1MB. Max. memory is 8.0GB. [2022-01-10 04:10:47,117 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 150.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:10:47,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.38ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 151.2MB in the end (delta: -18.7MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-01-10 04:10:47,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.63ms. Allocated memory is still 182.5MB. Free memory was 151.2MB in the beginning and 148.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 04:10:47,117 INFO L158 Benchmark]: Boogie Preprocessor took 51.47ms. Allocated memory is still 182.5MB. Free memory was 148.7MB in the beginning and 146.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 04:10:47,117 INFO L158 Benchmark]: RCFGBuilder took 568.32ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 120.9MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-10 04:10:47,117 INFO L158 Benchmark]: TraceAbstraction took 18754.35ms. Allocated memory was 182.5MB in the beginning and 406.8MB in the end (delta: 224.4MB). Free memory was 120.4MB in the beginning and 147.8MB in the end (delta: -27.4MB). Peak memory consumption was 228.1MB. Max. memory is 8.0GB. [2022-01-10 04:10:47,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 150.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 388.38ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 151.2MB in the end (delta: -18.7MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.63ms. Allocated memory is still 182.5MB. Free memory was 151.2MB in the beginning and 148.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.47ms. Allocated memory is still 182.5MB. Free memory was 148.7MB in the beginning and 146.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 568.32ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 120.9MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 18754.35ms. Allocated memory was 182.5MB in the beginning and 406.8MB in the end (delta: 224.4MB). Free memory was 120.4MB in the beginning and 147.8MB in the end (delta: -27.4MB). Peak memory consumption was 228.1MB. 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: 560]: 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, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 24, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1427 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1427 mSDsluCounter, 7668 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2981 mSDsCounter, 421 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2582 IncrementalHoareTripleChecker+Invalid, 3003 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 421 mSolverCounterUnsat, 4687 mSDtfsCounter, 2582 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5084 GetRequests, 5048 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5751occurred in iteration=22, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 24 MinimizatonAttempts, 3227 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 169 NumberOfFragments, 723 HoareAnnotationTreeSize, 22 FomulaSimplifications, 1116 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 22 FomulaSimplificationsInter, 3397 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 4282 NumberOfCodeBlocks, 4282 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5072 ConstructedInterpolants, 0 QuantifiedInterpolants, 6730 SizeOfPredicates, 5 NumberOfNonLiveVariables, 5424 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 16676/16734 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: 176]: Loop Invariant Derived loop invariant: (((0bv32 == s__hit && !(s__state == 4400bv32)) && 2bv32 == blastFlag) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((4bv32 == blastFlag && 0bv32 == s__hit) && !(s__state == 4400bv32)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: blastFlag == 0bv32 && s__state == 12292bv32 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((3bv32 == s__s3__tmp__next_state___0 && 2bv32 == blastFlag) && 4352bv32 == s__state) || ((s__s3__tmp__next_state___0 == 4560bv32 && 0bv32 == s__hit) && s__state == 4560bv32)) || ((4bv32 == blastFlag && s__state == 4448bv32) && 0bv32 == s__hit)) || ((0bv32 == s__hit && 2bv32 == blastFlag) && s__state == 4400bv32)) || ((s__state == 4416bv32 && 0bv32 == s__hit) && 3bv32 == blastFlag)) || ((4bv32 == blastFlag && 0bv32 == s__hit) && 4528bv32 == s__state)) || ((0bv32 == s__hit && s__state == 4496bv32) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((0bv32 == s__hit && 4480bv32 == s__state) && !(s__s3__tmp__next_state___0 == 4400bv32))) || (((4bv32 == blastFlag && s__state == 4416bv32) && 0bv32 == s__hit) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((s__state == 4448bv32 && 0bv32 == s__hit) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((4bv32 == blastFlag && 0bv32 == s__hit) && 4464bv32 == s__state)) || ((4bv32 == blastFlag && 0bv32 == s__hit) && 4432bv32 == s__state)) || ((0bv32 == s__hit && 4528bv32 == s__state) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((s__s3__tmp__next_state___0 == 4560bv32 && 0bv32 == s__hit) && 4352bv32 == s__state)) || ((4bv32 == blastFlag && 0bv32 == s__hit) && 4480bv32 == s__state)) || (4512bv32 == s__state && 2bv32 == blastFlag)) || ((0bv32 == s__hit && s__state == 4496bv32) && 2bv32 == blastFlag)) || (s__state == 4560bv32 && 2bv32 == blastFlag)) || (4528bv32 == s__state && 2bv32 == blastFlag)) || ((0bv32 == s__hit && !(s__s3__tmp__next_state___0 == 4400bv32)) && 4464bv32 == s__state)) || ((s__state == 4416bv32 && 0bv32 == s__hit) && 2bv32 == blastFlag)) || ((0bv32 == s__hit && 2bv32 == blastFlag) && 4464bv32 == s__state)) || ((4bv32 == blastFlag && 0bv32 == s__hit) && s__state == 4496bv32)) || ((4bv32 == blastFlag && 0bv32 == s__hit) && 4512bv32 == s__state)) || ((s__state == 4448bv32 && 0bv32 == s__hit) && 2bv32 == blastFlag)) || (s__state == 3bv32 && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((0bv32 == s__hit && 2bv32 == blastFlag) && 4432bv32 == s__state)) || ((0bv32 == s__hit && s__state == 3bv32) && 2bv32 == blastFlag)) || (blastFlag == 0bv32 && s__state == 4368bv32)) || ((0bv32 == s__hit && 4512bv32 == s__state) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((0bv32 == s__hit && 4480bv32 == s__state) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && s__state == 4384bv32) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((!(s__state == 4400bv32) && 2bv32 == blastFlag) && !(s__state == 4401bv32)) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && 2bv32 == blastFlag)) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((4bv32 == blastFlag && 0bv32 == s__hit) && !(s__state == 4400bv32)) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((3bv32 == s__s3__tmp__next_state___0 && 2bv32 == blastFlag) && 4352bv32 == s__state) || ((s__s3__tmp__next_state___0 == 4560bv32 && 0bv32 == s__hit) && 4352bv32 == s__state) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (blastFlag == 0bv32 && !(s__state == 4400bv32)) && !(s__state == 4401bv32) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0bv32 == s__hit && 2bv32 == blastFlag - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((s__s3__tmp__next_state___0 == 4560bv32 && 0bv32 == s__hit) && !(s__state == 4400bv32)) || (((s__state == 4560bv32 && 2bv32 == blastFlag) || ((!(s__state == 4400bv32) && !(s__s3__tmp__next_state___0 == 4400bv32)) && 2bv32 == blastFlag)) && !(s__state == 4401bv32)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (blastFlag == 0bv32 && !(s__state == 4400bv32)) && !(s__state == 4401bv32) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((0bv32 == s__hit && !(s__state == 4400bv32)) && 2bv32 == blastFlag) || ((4bv32 == blastFlag && 0bv32 == s__hit) && !(s__state == 4400bv32)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((!(s__state == 4400bv32) && 2bv32 == blastFlag) && !(s__state == 4401bv32)) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && 2bv32 == blastFlag)) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((4bv32 == blastFlag && 0bv32 == s__hit) && !(s__state == 4400bv32)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((0bv32 == s__hit && !(s__state == 4400bv32)) && 2bv32 == blastFlag) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((4bv32 == blastFlag && 0bv32 == s__hit) && !(s__state == 4400bv32)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (blastFlag == 1bv32 && !(s__state == 4400bv32)) && !(s__state == 4401bv32) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((4bv32 == blastFlag && 0bv32 == s__hit) && !(s__state == 4400bv32)) && !(s__s3__tmp__next_state___0 == 4400bv32)) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && 2bv32 == blastFlag)) || ((0bv32 == s__hit && 3bv32 == blastFlag) && !(s__state == 4400bv32)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((0bv32 == s__hit && !(s__state == 4400bv32)) && 2bv32 == blastFlag) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((4bv32 == blastFlag && 0bv32 == s__hit) && !(s__state == 4400bv32)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((0bv32 == s__hit && !(s__state == 4400bv32)) && 2bv32 == blastFlag) || ((0bv32 == s__hit && !(s__state == 4400bv32)) && !(s__s3__tmp__next_state___0 == 4400bv32))) || ((4bv32 == blastFlag && 0bv32 == s__hit) && !(s__state == 4400bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 04:10:47,158 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...