/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/eca-rers2012/Problem02_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:17:45,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:17:45,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:17:45,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 04:17:45,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:17:45,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:17:45,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:17:45,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:17:45,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:17:45,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:17:45,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:17:45,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:17:45,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:17:45,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:17:45,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:17:45,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:17:45,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 04:17:45,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:17:45,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:17:45,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:17:45,528 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 04:17:45,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:17:45,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:17:45,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:17:45,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:17:45,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:17:45,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:17:45,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:17:45,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:17:45,543 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:17:45,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:17:45,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:17:45,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:17:45,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:17:45,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:17:45,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:17:45,548 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:17:45,548 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:17:45,549 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:17:45,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:17:45,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:17:45,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:17:45,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:17:45,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:17:45,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:17:45,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:17:45,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:17:45,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:17:45,550 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:17:45,550 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:17:45,550 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:17:45,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:17:45,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:17:45,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:17:45,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:17:45,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:17:45,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:17:45,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:17:45,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:17:45,791 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:17:45,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2022-01-10 04:17:45,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0897c9c31/056be3f8e2d748948abf1cfb5a7c574c/FLAG2d65dc59a [2022-01-10 04:17:46,235 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:17:46,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2022-01-10 04:17:46,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0897c9c31/056be3f8e2d748948abf1cfb5a7c574c/FLAG2d65dc59a [2022-01-10 04:17:46,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0897c9c31/056be3f8e2d748948abf1cfb5a7c574c [2022-01-10 04:17:46,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:17:46,589 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:17:46,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:17:46,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:17:46,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:17:46,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:17:46" (1/1) ... [2022-01-10 04:17:46,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40176f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:46, skipping insertion in model container [2022-01-10 04:17:46,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:17:46" (1/1) ... [2022-01-10 04:17:46,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:17:46,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:17:46,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label10.c[20766,20779] [2022-01-10 04:17:46,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:17:46,976 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:17:47,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label10.c[20766,20779] [2022-01-10 04:17:47,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:17:47,069 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:17:47,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47 WrapperNode [2022-01-10 04:17:47,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:17:47,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:17:47,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:17:47,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:17:47,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,139 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 04:17:47,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:17:47,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:17:47,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:17:47,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:17:47,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:17:47,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:17:47,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:17:47,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:17:47,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (1/1) ... [2022-01-10 04:17:47,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:17:47,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:17:47,239 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 04:17:47,246 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 04:17:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:17:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:17:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:17:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:17:47,336 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:17:47,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:17:48,064 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:17:48,072 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:17:48,072 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:17:48,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:17:48 BoogieIcfgContainer [2022-01-10 04:17:48,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:17:48,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:17:48,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:17:48,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:17:48,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:17:46" (1/3) ... [2022-01-10 04:17:48,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc22f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:17:48, skipping insertion in model container [2022-01-10 04:17:48,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:47" (2/3) ... [2022-01-10 04:17:48,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc22f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:17:48, skipping insertion in model container [2022-01-10 04:17:48,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:17:48" (3/3) ... [2022-01-10 04:17:48,082 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label10.c [2022-01-10 04:17:48,086 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:17:48,086 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:17:48,136 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:17:48,143 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 04:17:48,143 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:17:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-10 04:17:48,191 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:48,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:48,192 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:48,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:48,205 INFO L85 PathProgramCache]: Analyzing trace with hash 163347651, now seen corresponding path program 1 times [2022-01-10 04:17:48,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:48,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029529659] [2022-01-10 04:17:48,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:48,217 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:48,223 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 04:17:48,235 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 04:17:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:48,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-10 04:17:48,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:51,194 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 04:17:51,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:51,195 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:51,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029529659] [2022-01-10 04:17:51,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029529659] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:51,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:51,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 04:17:51,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183780642] [2022-01-10 04:17:51,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:51,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 04:17:51,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:51,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 04:17:51,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:17:51,224 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 9 states, 9 states have (on average 15.0) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:52,346 INFO L93 Difference]: Finished difference Result 656 states and 1144 transitions. [2022-01-10 04:17:52,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 04:17:52,349 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-01-10 04:17:52,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:52,357 INFO L225 Difference]: With dead ends: 656 [2022-01-10 04:17:52,357 INFO L226 Difference]: Without dead ends: 219 [2022-01-10 04:17:52,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:17:52,362 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 532 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:52,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 274 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-10 04:17:52,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-01-10 04:17:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 217. [2022-01-10 04:17:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.4166666666666667) internal successors, (306), 216 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 306 transitions. [2022-01-10 04:17:52,409 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 306 transitions. Word has length 135 [2022-01-10 04:17:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:52,409 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 306 transitions. [2022-01-10 04:17:52,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:52,410 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 306 transitions. [2022-01-10 04:17:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-01-10 04:17:52,413 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:52,413 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:52,434 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 04:17:52,636 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 04:17:52,637 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:52,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:52,637 INFO L85 PathProgramCache]: Analyzing trace with hash -810079400, now seen corresponding path program 1 times [2022-01-10 04:17:52,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:52,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714646021] [2022-01-10 04:17:52,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:52,639 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:52,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:52,640 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 04:17:52,641 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 04:17:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:52,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 04:17:52,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:17:54,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:54,903 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:54,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714646021] [2022-01-10 04:17:54,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714646021] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:54,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:54,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 04:17:54,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976164943] [2022-01-10 04:17:54,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:54,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 04:17:54,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:54,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 04:17:54,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:17:54,905 INFO L87 Difference]: Start difference. First operand 217 states and 306 transitions. Second operand has 10 states, 10 states have (on average 14.0) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:56,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:56,133 INFO L93 Difference]: Finished difference Result 800 states and 1195 transitions. [2022-01-10 04:17:56,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 04:17:56,134 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-01-10 04:17:56,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:56,138 INFO L225 Difference]: With dead ends: 800 [2022-01-10 04:17:56,138 INFO L226 Difference]: Without dead ends: 371 [2022-01-10 04:17:56,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-10 04:17:56,140 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 537 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:56,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [537 Valid, 177 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-10 04:17:56,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-01-10 04:17:56,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2022-01-10 04:17:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 370 states have (on average 1.3756756756756756) internal successors, (509), 370 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:56,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 509 transitions. [2022-01-10 04:17:56,154 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 509 transitions. Word has length 140 [2022-01-10 04:17:56,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:56,154 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 509 transitions. [2022-01-10 04:17:56,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:56,155 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 509 transitions. [2022-01-10 04:17:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-10 04:17:56,156 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:56,157 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:56,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 04:17:56,363 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 04:17:56,364 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:56,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:56,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1849576489, now seen corresponding path program 1 times [2022-01-10 04:17:56,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:56,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550631019] [2022-01-10 04:17:56,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:56,366 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:56,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:56,366 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 04:17:56,368 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 04:17:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:56,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:17:56,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:17:56,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:56,585 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:56,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550631019] [2022-01-10 04:17:56,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550631019] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:56,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:56,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:56,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057418198] [2022-01-10 04:17:56,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:56,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:17:56,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:56,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:17:56,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:17:56,590 INFO L87 Difference]: Start difference. First operand 371 states and 509 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:57,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:57,010 INFO L93 Difference]: Finished difference Result 1025 states and 1427 transitions. [2022-01-10 04:17:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:17:57,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-01-10 04:17:57,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:57,012 INFO L225 Difference]: With dead ends: 1025 [2022-01-10 04:17:57,012 INFO L226 Difference]: Without dead ends: 656 [2022-01-10 04:17:57,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 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 04:17:57,014 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 144 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:57,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 171 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:17:57,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-01-10 04:17:57,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 652. [2022-01-10 04:17:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 651 states have (on average 1.2565284178187404) internal successors, (818), 651 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 818 transitions. [2022-01-10 04:17:57,030 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 818 transitions. Word has length 148 [2022-01-10 04:17:57,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:57,030 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 818 transitions. [2022-01-10 04:17:57,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 818 transitions. [2022-01-10 04:17:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-01-10 04:17:57,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:57,032 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:57,045 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 04:17:57,239 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 04:17:57,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:57,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:57,240 INFO L85 PathProgramCache]: Analyzing trace with hash -811005375, now seen corresponding path program 1 times [2022-01-10 04:17:57,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:57,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074590381] [2022-01-10 04:17:57,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:57,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:57,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:57,242 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 04:17:57,243 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 04:17:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:57,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 04:17:57,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 04:17:58,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:58,306 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:58,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074590381] [2022-01-10 04:17:58,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074590381] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:58,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:58,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 04:17:58,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190371009] [2022-01-10 04:17:58,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:58,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:17:58,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:58,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:17:58,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:17:58,307 INFO L87 Difference]: Start difference. First operand 652 states and 818 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:59,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:59,049 INFO L93 Difference]: Finished difference Result 1713 states and 2211 transitions. [2022-01-10 04:17:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 04:17:59,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2022-01-10 04:17:59,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:59,053 INFO L225 Difference]: With dead ends: 1713 [2022-01-10 04:17:59,053 INFO L226 Difference]: Without dead ends: 933 [2022-01-10 04:17:59,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:17:59,054 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 636 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:59,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 66 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 04:17:59,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2022-01-10 04:17:59,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 793. [2022-01-10 04:17:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 792 states have (on average 1.2777777777777777) internal successors, (1012), 792 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1012 transitions. [2022-01-10 04:17:59,068 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1012 transitions. Word has length 162 [2022-01-10 04:17:59,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:59,068 INFO L470 AbstractCegarLoop]: Abstraction has 793 states and 1012 transitions. [2022-01-10 04:17:59,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1012 transitions. [2022-01-10 04:17:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-01-10 04:17:59,070 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:59,070 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:59,081 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 04:17:59,276 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 04:17:59,277 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:59,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:59,277 INFO L85 PathProgramCache]: Analyzing trace with hash -716130352, now seen corresponding path program 1 times [2022-01-10 04:17:59,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:59,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095532230] [2022-01-10 04:17:59,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:59,278 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:59,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:59,279 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 04:17:59,281 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 04:17:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:59,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 04:17:59,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:17:59,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:59,832 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:59,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095532230] [2022-01-10 04:17:59,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095532230] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:59,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:59,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 04:17:59,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152801464] [2022-01-10 04:17:59,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:59,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:17:59,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:59,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:17:59,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:17:59,834 INFO L87 Difference]: Start difference. First operand 793 states and 1012 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:00,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:00,579 INFO L93 Difference]: Finished difference Result 2032 states and 2539 transitions. [2022-01-10 04:18:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 04:18:00,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2022-01-10 04:18:00,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:00,583 INFO L225 Difference]: With dead ends: 2032 [2022-01-10 04:18:00,583 INFO L226 Difference]: Without dead ends: 1241 [2022-01-10 04:18:00,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:18:00,585 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 426 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:00,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [426 Valid, 138 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 04:18:00,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-01-10 04:18:00,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1217. [2022-01-10 04:18:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1216 states have (on average 1.207236842105263) internal successors, (1468), 1216 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1468 transitions. [2022-01-10 04:18:00,604 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1468 transitions. Word has length 168 [2022-01-10 04:18:00,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:00,604 INFO L470 AbstractCegarLoop]: Abstraction has 1217 states and 1468 transitions. [2022-01-10 04:18:00,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1468 transitions. [2022-01-10 04:18:00,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-01-10 04:18:00,607 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:00,607 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:00,615 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 04:18:00,813 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 04:18:00,814 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:00,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:00,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1852331787, now seen corresponding path program 1 times [2022-01-10 04:18:00,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:00,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273141757] [2022-01-10 04:18:00,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:00,815 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:00,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:00,816 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 04:18:00,818 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 04:18:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:00,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 04:18:00,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:02,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:02,141 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:02,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273141757] [2022-01-10 04:18:02,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273141757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:02,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:02,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 04:18:02,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879652371] [2022-01-10 04:18:02,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:02,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:18:02,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:02,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:18:02,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:18:02,143 INFO L87 Difference]: Start difference. First operand 1217 states and 1468 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:02,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:02,980 INFO L93 Difference]: Finished difference Result 3636 states and 4549 transitions. [2022-01-10 04:18:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:18:02,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2022-01-10 04:18:02,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:02,989 INFO L225 Difference]: With dead ends: 3636 [2022-01-10 04:18:02,990 INFO L226 Difference]: Without dead ends: 2338 [2022-01-10 04:18:02,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:18:02,993 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 416 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:02,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 120 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 04:18:02,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2022-01-10 04:18:03,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 1778. [2022-01-10 04:18:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1777 states have (on average 1.1963984243106358) internal successors, (2126), 1777 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2126 transitions. [2022-01-10 04:18:03,020 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2126 transitions. Word has length 169 [2022-01-10 04:18:03,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:03,020 INFO L470 AbstractCegarLoop]: Abstraction has 1778 states and 2126 transitions. [2022-01-10 04:18:03,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2126 transitions. [2022-01-10 04:18:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-01-10 04:18:03,023 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:03,023 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:03,033 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 04:18:03,229 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 04:18:03,229 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:03,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:03,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1971778030, now seen corresponding path program 1 times [2022-01-10 04:18:03,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:03,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788716456] [2022-01-10 04:18:03,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:03,230 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:03,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:03,231 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 04:18:03,233 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 04:18:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:03,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:03,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:03,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:03,468 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:03,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788716456] [2022-01-10 04:18:03,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788716456] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:03,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:03,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:03,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736092631] [2022-01-10 04:18:03,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:03,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:03,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:03,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:03,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:03,469 INFO L87 Difference]: Start difference. First operand 1778 states and 2126 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:03,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:03,870 INFO L93 Difference]: Finished difference Result 4397 states and 5343 transitions. [2022-01-10 04:18:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:03,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 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 189 [2022-01-10 04:18:03,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:03,876 INFO L225 Difference]: With dead ends: 4397 [2022-01-10 04:18:03,876 INFO L226 Difference]: Without dead ends: 2621 [2022-01-10 04:18:03,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 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 04:18:03,879 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 127 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:03,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 255 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:18:03,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2022-01-10 04:18:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2476. [2022-01-10 04:18:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 2475 states have (on average 1.1696969696969697) internal successors, (2895), 2475 states have internal predecessors, (2895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 2895 transitions. [2022-01-10 04:18:03,911 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 2895 transitions. Word has length 189 [2022-01-10 04:18:03,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:03,911 INFO L470 AbstractCegarLoop]: Abstraction has 2476 states and 2895 transitions. [2022-01-10 04:18:03,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2895 transitions. [2022-01-10 04:18:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-01-10 04:18:03,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:03,922 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:03,933 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 04:18:04,128 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 04:18:04,129 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:04,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:04,129 INFO L85 PathProgramCache]: Analyzing trace with hash 699153861, now seen corresponding path program 1 times [2022-01-10 04:18:04,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:04,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144481601] [2022-01-10 04:18:04,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:04,130 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:04,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:04,131 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 04:18:04,132 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 04:18:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:04,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:04,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:04,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:04,428 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:04,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144481601] [2022-01-10 04:18:04,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144481601] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:04,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:04,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:04,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343056850] [2022-01-10 04:18:04,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:04,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:04,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:04,429 INFO L87 Difference]: Start difference. First operand 2476 states and 2895 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:04,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:04,826 INFO L93 Difference]: Finished difference Result 5518 states and 6555 transitions. [2022-01-10 04:18:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:04,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 212 [2022-01-10 04:18:04,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:04,833 INFO L225 Difference]: With dead ends: 5518 [2022-01-10 04:18:04,833 INFO L226 Difference]: Without dead ends: 3044 [2022-01-10 04:18:04,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 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 04:18:04,836 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 128 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:04,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 269 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:18:04,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2022-01-10 04:18:04,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3040. [2022-01-10 04:18:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 3039 states have (on average 1.1533399144455414) internal successors, (3505), 3039 states have internal predecessors, (3505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 3505 transitions. [2022-01-10 04:18:04,870 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 3505 transitions. Word has length 212 [2022-01-10 04:18:04,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:04,870 INFO L470 AbstractCegarLoop]: Abstraction has 3040 states and 3505 transitions. [2022-01-10 04:18:04,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:04,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 3505 transitions. [2022-01-10 04:18:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-01-10 04:18:04,875 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:04,875 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:04,881 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 04:18:05,081 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 04:18:05,082 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:05,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:05,082 INFO L85 PathProgramCache]: Analyzing trace with hash -481344931, now seen corresponding path program 1 times [2022-01-10 04:18:05,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:05,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621442091] [2022-01-10 04:18:05,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:05,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:05,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:05,104 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 04:18:05,175 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 04:18:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:05,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:18:05,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:05,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:05,563 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:05,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621442091] [2022-01-10 04:18:05,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [621442091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:05,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:05,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 04:18:05,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353184220] [2022-01-10 04:18:05,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:05,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:18:05,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:05,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:18:05,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:18:05,564 INFO L87 Difference]: Start difference. First operand 3040 states and 3505 transitions. Second operand has 4 states, 4 states have (on average 57.5) internal successors, (230), 4 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:06,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:06,335 INFO L93 Difference]: Finished difference Result 8051 states and 9401 transitions. [2022-01-10 04:18:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:18:06,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.5) internal successors, (230), 4 states have internal predecessors, (230), 0 states have call successors, (0), 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 230 [2022-01-10 04:18:06,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:06,348 INFO L225 Difference]: With dead ends: 8051 [2022-01-10 04:18:06,348 INFO L226 Difference]: Without dead ends: 5013 [2022-01-10 04:18:06,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:18:06,354 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 265 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:06,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 197 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 04:18:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5013 states. [2022-01-10 04:18:06,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5013 to 4302. [2022-01-10 04:18:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4302 states, 4301 states have (on average 1.1341548477098349) internal successors, (4878), 4301 states have internal predecessors, (4878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4302 states to 4302 states and 4878 transitions. [2022-01-10 04:18:06,432 INFO L78 Accepts]: Start accepts. Automaton has 4302 states and 4878 transitions. Word has length 230 [2022-01-10 04:18:06,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:06,433 INFO L470 AbstractCegarLoop]: Abstraction has 4302 states and 4878 transitions. [2022-01-10 04:18:06,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.5) internal successors, (230), 4 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4302 states and 4878 transitions. [2022-01-10 04:18:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-01-10 04:18:06,439 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:06,439 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:06,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-01-10 04:18:06,645 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 04:18:06,646 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:06,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:06,646 INFO L85 PathProgramCache]: Analyzing trace with hash -674834782, now seen corresponding path program 1 times [2022-01-10 04:18:06,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:06,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389655277] [2022-01-10 04:18:06,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:06,647 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:06,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:06,648 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 04:18:06,649 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 04:18:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:06,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:06,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-10 04:18:07,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:07,014 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:07,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389655277] [2022-01-10 04:18:07,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389655277] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:07,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:07,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:07,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737699674] [2022-01-10 04:18:07,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:07,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:07,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:07,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:07,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:07,015 INFO L87 Difference]: Start difference. First operand 4302 states and 4878 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:07,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:07,450 INFO L93 Difference]: Finished difference Result 7326 states and 8273 transitions. [2022-01-10 04:18:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:07,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 245 [2022-01-10 04:18:07,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:07,455 INFO L225 Difference]: With dead ends: 7326 [2022-01-10 04:18:07,455 INFO L226 Difference]: Without dead ends: 2323 [2022-01-10 04:18:07,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 243 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 04:18:07,458 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 134 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:07,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 237 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:18:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2022-01-10 04:18:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2043. [2022-01-10 04:18:07,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 2042 states have (on average 1.0710088148873653) internal successors, (2187), 2042 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2187 transitions. [2022-01-10 04:18:07,480 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2187 transitions. Word has length 245 [2022-01-10 04:18:07,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:07,480 INFO L470 AbstractCegarLoop]: Abstraction has 2043 states and 2187 transitions. [2022-01-10 04:18:07,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:07,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2187 transitions. [2022-01-10 04:18:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-01-10 04:18:07,484 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:07,484 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:07,503 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 04:18:07,691 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 04:18:07,691 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:07,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:07,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1938278227, now seen corresponding path program 1 times [2022-01-10 04:18:07,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:07,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082695443] [2022-01-10 04:18:07,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:07,693 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:07,694 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 04:18:07,698 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 04:18:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:07,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:18:07,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:08,070 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-01-10 04:18:08,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:08,071 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:08,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082695443] [2022-01-10 04:18:08,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082695443] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:08,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:08,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:18:08,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134674261] [2022-01-10 04:18:08,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:08,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:18:08,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:08,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:18:08,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:18:08,072 INFO L87 Difference]: Start difference. First operand 2043 states and 2187 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:08,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:08,398 INFO L93 Difference]: Finished difference Result 4504 states and 4820 transitions. [2022-01-10 04:18:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:18:08,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 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 04:18:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:08,403 INFO L225 Difference]: With dead ends: 4504 [2022-01-10 04:18:08,403 INFO L226 Difference]: Without dead ends: 2322 [2022-01-10 04:18:08,405 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 04:18:08,405 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 32 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:08,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 74 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:18:08,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2022-01-10 04:18:08,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2182. [2022-01-10 04:18:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.0710683172856488) internal successors, (2336), 2181 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2336 transitions. [2022-01-10 04:18:08,442 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2336 transitions. Word has length 246 [2022-01-10 04:18:08,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:08,443 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2336 transitions. [2022-01-10 04:18:08,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2336 transitions. [2022-01-10 04:18:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-01-10 04:18:08,446 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:18:08,447 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:08,457 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 04:18:08,653 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 04:18:08,653 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:18:08,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:18:08,654 INFO L85 PathProgramCache]: Analyzing trace with hash -497520636, now seen corresponding path program 1 times [2022-01-10 04:18:08,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:18:08,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666083712] [2022-01-10 04:18:08,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:18:08,655 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:18:08,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:18:08,656 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 04:18:08,656 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 04:18:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:18:08,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 04:18:08,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:18:09,626 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:18:09,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:18:09,627 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:18:09,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666083712] [2022-01-10 04:18:09,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666083712] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:18:09,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:18:09,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 04:18:09,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61838947] [2022-01-10 04:18:09,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:18:09,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 04:18:09,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:18:09,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 04:18:09,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 04:18:09,628 INFO L87 Difference]: Start difference. First operand 2182 states and 2336 transitions. Second operand has 6 states, 6 states have (on average 44.166666666666664) internal successors, (265), 6 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:18:10,772 INFO L93 Difference]: Finished difference Result 5421 states and 5823 transitions. [2022-01-10 04:18:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 04:18:10,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.166666666666664) internal successors, (265), 6 states have internal predecessors, (265), 0 states have call successors, (0), 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 265 [2022-01-10 04:18:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:18:10,773 INFO L225 Difference]: With dead ends: 5421 [2022-01-10 04:18:10,773 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:18:10,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-10 04:18:10,776 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 782 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:18:10,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [782 Valid, 73 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-10 04:18:10,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:18:10,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:18:10,781 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 04:18:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:18:10,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2022-01-10 04:18:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:18:10,783 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:18:10,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.166666666666664) internal successors, (265), 6 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:18:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:18:10,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:18:10,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:18:10,794 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 04:18:10,986 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 04:18:10,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 04:18:11,956 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,957 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 04:18:11,958 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,959 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 04:18:11,960 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,961 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 587) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,962 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 04:18:11,963 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse10 (= (_ bv1 32) |ULTIMATE.start_calculate_output_~input#1|)) (.cse11 (= (_ bv4 32) |ULTIMATE.start_calculate_output_~input#1|)) (.cse12 (= (_ bv5 32) |ULTIMATE.start_calculate_output_~input#1|)) (.cse13 (= (_ bv3 32) |ULTIMATE.start_calculate_output_~input#1|))) (let ((.cse8 (= (_ bv8 32) ~a28~0)) (.cse6 (= (_ bv10 32) ~a28~0)) (.cse1 (= ~a28~0 (_ bv9 32))) (.cse3 (= (_ bv1 32) ~a25~0)) (.cse16 (= (_ bv1 32) ~a11~0)) (.cse5 (= (_ bv0 32) ~a19~0)) (.cse14 (= (_ bv7 32) ~a28~0)) (.cse4 (= (_ bv1 32) ~a19~0)) (.cse7 (= (_ bv0 32) ~a25~0)) (.cse0 (= (_ bv0 32) ~a11~0)) (.cse15 (or .cse10 .cse11 .cse12 .cse13 (= (_ bv6 32) |ULTIMATE.start_calculate_output_~input#1|))) (.cse2 (= (_ bv1 32) ~a21~0)) (.cse9 (= (_ bv8 32) ~a17~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse2) (and .cse5 (= (_ bv7 32) ~a17~0) .cse6 .cse7 .cse2) (and .cse8 .cse0 .cse2 .cse9) (and (or .cse10 .cse11 .cse12 .cse13) .cse14 .cse4 .cse7 .cse0 .cse9) (and .cse4 .cse8 .cse0 .cse2) (and .cse4 .cse6 .cse0 .cse15 .cse9) (and .cse16 .cse2 .cse9) (and .cse16 .cse3 .cse1 .cse2) (and .cse16 .cse3 .cse4 .cse2) (and .cse16 .cse4 (not .cse14) .cse2) (and .cse5 .cse0 .cse2 .cse9) (and .cse14 .cse4 .cse7 .cse0 .cse15 (not .cse2) .cse9)))) [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 04:18:11,964 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 04:18:11,965 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse8 (= (_ bv8 32) ~a28~0)) (.cse6 (= (_ bv10 32) ~a28~0)) (.cse1 (= ~a28~0 (_ bv9 32))) (.cse3 (= (_ bv1 32) ~a25~0)) (.cse12 (= (_ bv1 32) ~a11~0)) (.cse10 (= (_ bv7 32) ~a28~0)) (.cse4 (= (_ bv1 32) ~a19~0)) (.cse7 (= (_ bv0 32) ~a25~0)) (.cse11 (or (= (_ bv1 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv4 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv5 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv3 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv6 32) |ULTIMATE.start_calculate_output_~input#1|))) (.cse5 (= (_ bv0 32) ~a19~0)) (.cse0 (= (_ bv0 32) ~a11~0)) (.cse2 (= (_ bv1 32) ~a21~0)) (.cse9 (= (_ bv8 32) ~a17~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse2) (and .cse5 (= (_ bv7 32) ~a17~0) .cse6 .cse7 .cse2) (and .cse8 .cse0 .cse2 .cse9) (and .cse4 .cse8 .cse0 .cse2) (and .cse10 .cse4 .cse7 .cse0 .cse2 .cse9) (and .cse4 .cse6 .cse0 .cse11 .cse9) (and .cse12 .cse2 .cse9) (and .cse12 .cse3 .cse1 .cse2) (and .cse12 .cse3 .cse4 .cse2) (and .cse12 .cse4 (not .cse10) .cse2) (and .cse10 .cse4 .cse7 .cse0 .cse11 .cse9) (and .cse5 .cse0 .cse2 .cse9))) [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 04:18:11,966 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 04:18:11,967 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 04:18:11,968 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 04:18:11,968 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 04:18:11,970 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:18:11,971 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:18:11,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:18:11 BoogieIcfgContainer [2022-01-10 04:18:11,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:18:11,986 INFO L158 Benchmark]: Toolchain (without parser) took 25397.57ms. Allocated memory was 190.8MB in the beginning and 377.5MB in the end (delta: 186.6MB). Free memory was 133.0MB in the beginning and 198.6MB in the end (delta: -65.6MB). Peak memory consumption was 202.0MB. Max. memory is 8.0GB. [2022-01-10 04:18:11,986 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:18:11,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.93ms. Allocated memory was 190.8MB in the beginning and 249.6MB in the end (delta: 58.7MB). Free memory was 132.9MB in the beginning and 204.7MB in the end (delta: -71.9MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2022-01-10 04:18:11,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.86ms. Allocated memory is still 249.6MB. Free memory was 204.7MB in the beginning and 199.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 04:18:11,987 INFO L158 Benchmark]: Boogie Preprocessor took 49.03ms. Allocated memory is still 249.6MB. Free memory was 199.5MB in the beginning and 195.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 04:18:11,987 INFO L158 Benchmark]: RCFGBuilder took 880.12ms. Allocated memory is still 249.6MB. Free memory was 195.3MB in the beginning and 137.6MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-10 04:18:11,988 INFO L158 Benchmark]: TraceAbstraction took 23908.76ms. Allocated memory was 249.6MB in the beginning and 377.5MB in the end (delta: 127.9MB). Free memory was 137.1MB in the beginning and 198.6MB in the end (delta: -61.5MB). Peak memory consumption was 148.2MB. Max. memory is 8.0GB. [2022-01-10 04:18:11,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 477.93ms. Allocated memory was 190.8MB in the beginning and 249.6MB in the end (delta: 58.7MB). Free memory was 132.9MB in the beginning and 204.7MB in the end (delta: -71.9MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.86ms. Allocated memory is still 249.6MB. Free memory was 204.7MB in the beginning and 199.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.03ms. Allocated memory is still 249.6MB. Free memory was 199.5MB in the beginning and 195.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 880.12ms. Allocated memory is still 249.6MB. Free memory was 195.3MB in the beginning and 137.6MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 23908.76ms. Allocated memory was 249.6MB in the beginning and 377.5MB in the end (delta: 127.9MB). Free memory was 137.1MB in the beginning and 198.6MB in the end (delta: -61.5MB). Peak memory consumption was 148.2MB. 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: 587]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.8s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4159 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4159 mSDsluCounter, 2051 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 481 mSDsCounter, 1365 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8842 IncrementalHoareTripleChecker+Invalid, 10207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1365 mSolverCounterUnsat, 1570 mSDtfsCounter, 8842 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2309 GetRequests, 2265 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4302occurred in iteration=9, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 2010 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 85 NumberOfFragments, 433 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1212 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4063 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 2309 NumberOfCodeBlocks, 2309 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2297 ConstructedInterpolants, 0 QuantifiedInterpolants, 13872 SizeOfPredicates, 29 NumberOfNonLiveVariables, 3054 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 1018/1018 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: 616]: Loop Invariant Derived loop invariant: (((((((((((((0bv32 == a11 && a28 == 9bv32) && 1bv32 == a21) || (((1bv32 == a25 && 1bv32 == a19) && 0bv32 == a11) && 1bv32 == a21)) || ((((0bv32 == a19 && 7bv32 == a17) && 10bv32 == a28) && 0bv32 == a25) && 1bv32 == a21)) || (((8bv32 == a28 && 0bv32 == a11) && 1bv32 == a21) && 8bv32 == a17)) || (((1bv32 == a19 && 8bv32 == a28) && 0bv32 == a11) && 1bv32 == a21)) || (((((7bv32 == a28 && 1bv32 == a19) && 0bv32 == a25) && 0bv32 == a11) && 1bv32 == a21) && 8bv32 == a17)) || ((((1bv32 == a19 && 10bv32 == a28) && 0bv32 == a11) && ((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && 8bv32 == a17)) || ((1bv32 == a11 && 1bv32 == a21) && 8bv32 == a17)) || (((1bv32 == a11 && 1bv32 == a25) && a28 == 9bv32) && 1bv32 == a21)) || (((1bv32 == a11 && 1bv32 == a25) && 1bv32 == a19) && 1bv32 == a21)) || (((1bv32 == a11 && 1bv32 == a19) && !(7bv32 == a28)) && 1bv32 == a21)) || (((((7bv32 == a28 && 1bv32 == a19) && 0bv32 == a25) && 0bv32 == a11) && ((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && 8bv32 == a17)) || (((0bv32 == a19 && 0bv32 == a11) && 1bv32 == a21) && 8bv32 == a17) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((0bv32 == a11 && a28 == 9bv32) && 1bv32 == a21) || (((1bv32 == a25 && 1bv32 == a19) && 0bv32 == a11) && 1bv32 == a21)) || ((((0bv32 == a19 && 7bv32 == a17) && 10bv32 == a28) && 0bv32 == a25) && 1bv32 == a21)) || (((8bv32 == a28 && 0bv32 == a11) && 1bv32 == a21) && 8bv32 == a17)) || ((((((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) && 7bv32 == a28) && 1bv32 == a19) && 0bv32 == a25) && 0bv32 == a11) && 8bv32 == a17)) || (((1bv32 == a19 && 8bv32 == a28) && 0bv32 == a11) && 1bv32 == a21)) || ((((1bv32 == a19 && 10bv32 == a28) && 0bv32 == a11) && ((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && 8bv32 == a17)) || ((1bv32 == a11 && 1bv32 == a21) && 8bv32 == a17)) || (((1bv32 == a11 && 1bv32 == a25) && a28 == 9bv32) && 1bv32 == a21)) || (((1bv32 == a11 && 1bv32 == a25) && 1bv32 == a19) && 1bv32 == a21)) || (((1bv32 == a11 && 1bv32 == a19) && !(7bv32 == a28)) && 1bv32 == a21)) || (((0bv32 == a19 && 0bv32 == a11) && 1bv32 == a21) && 8bv32 == a17)) || ((((((7bv32 == a28 && 1bv32 == a19) && 0bv32 == a25) && 0bv32 == a11) && ((((1bv32 == input || 4bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && !(1bv32 == a21)) && 8bv32 == a17) RESULT: Ultimate proved your program to be correct! [2022-01-10 04:18:12,035 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...