/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/Problem01_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:16:18,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:16:18,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:16:18,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 04:16:18,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 04:16:18,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 04:16:18,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 04:16:18,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 04:16:18,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 04:16:18,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 04:16:18,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 04:16:18,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 04:16:18,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:16:18,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:16:18,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:16:18,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:16:18,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:16:18,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:16:18,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:16:18,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:16:18,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:16:18,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:16:18,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:16:18,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:16:18,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 04:16:18,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:16:18,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:16:18,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:16:18,700 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 04:16:18,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:16:18,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:16:18,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:16:18,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:16:18,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:16:18,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:16:18,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:16:18,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:16:18,723 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:16:18,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:16:18,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:16:18,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:16:18,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:16:18,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:16:18,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:16:18,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:16:18,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:16:18,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:16:18,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:16:18,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:16:18,934 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:16:18,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label30.c [2022-01-10 04:16:18,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83dc5a6d/6b0c2375273745e6b1bfdacefaff3ad5/FLAG606eeaed9 [2022-01-10 04:16:19,412 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:16:19,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label30.c [2022-01-10 04:16:19,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83dc5a6d/6b0c2375273745e6b1bfdacefaff3ad5/FLAG606eeaed9 [2022-01-10 04:16:19,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a83dc5a6d/6b0c2375273745e6b1bfdacefaff3ad5 [2022-01-10 04:16:19,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:16:19,450 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:16:19,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:16:19,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:16:19,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:16:19,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1158bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19, skipping insertion in model container [2022-01-10 04:16:19,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:16:19,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:16:19,733 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/Problem01_label30.c[21088,21101] [2022-01-10 04:16:19,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:16:19,766 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:16:19,831 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/Problem01_label30.c[21088,21101] [2022-01-10 04:16:19,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:16:19,846 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:16:19,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19 WrapperNode [2022-01-10 04:16:19,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:16:19,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:16:19,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:16:19,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:16:19,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,916 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-10 04:16:19,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:16:19,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:16:19,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:16:19,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:16:19,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:16:19,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:16:19,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:16:19,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:16:19,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (1/1) ... [2022-01-10 04:16:19,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:16:19,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:16:20,000 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 04:16:20,032 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 04:16:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:16:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:16:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:16:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:16:20,094 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:16:20,095 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:16:20,815 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:16:20,825 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:16:20,826 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:16:20,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:16:20 BoogieIcfgContainer [2022-01-10 04:16:20,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:16:20,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:16:20,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:16:20,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:16:20,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:16:19" (1/3) ... [2022-01-10 04:16:20,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3829e251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:16:20, skipping insertion in model container [2022-01-10 04:16:20,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:16:19" (2/3) ... [2022-01-10 04:16:20,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3829e251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:16:20, skipping insertion in model container [2022-01-10 04:16:20,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:16:20" (3/3) ... [2022-01-10 04:16:20,835 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label30.c [2022-01-10 04:16:20,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:16:20,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:16:20,889 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:16:20,894 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 04:16:20,894 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:16:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states 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 04:16:20,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-01-10 04:16:20,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:20,927 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] [2022-01-10 04:16:20,928 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:20,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1318724346, now seen corresponding path program 1 times [2022-01-10 04:16:20,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:20,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276004709] [2022-01-10 04:16:20,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:20,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:20,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:20,947 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 04:16:20,954 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 04:16:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:21,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-10 04:16:21,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:27,751 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 04:16:27,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:27,752 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:27,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276004709] [2022-01-10 04:16:27,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276004709] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:27,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:27,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 04:16:27,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971773451] [2022-01-10 04:16:27,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:27,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 04:16:27,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:27,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 04:16:27,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:16:27,774 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 10 states, 10 states have (on average 12.5) internal successors, (125), 9 states have internal predecessors, (125), 0 states have call successors, (0), 0 states 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 04:16:29,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:29,258 INFO L93 Difference]: Finished difference Result 736 states and 1310 transitions. [2022-01-10 04:16:29,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 04:16:29,259 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 9 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-01-10 04:16:29,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:29,268 INFO L225 Difference]: With dead ends: 736 [2022-01-10 04:16:29,268 INFO L226 Difference]: Without dead ends: 455 [2022-01-10 04:16:29,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-10 04:16:29,273 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 547 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:29,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [547 Valid, 161 Invalid, 1825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-10 04:16:29,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-01-10 04:16:29,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-01-10 04:16:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 454 states have (on average 1.3171806167400881) internal successors, (598), 454 states have internal predecessors, (598), 0 states have call successors, (0), 0 states 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 04:16:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 598 transitions. [2022-01-10 04:16:29,321 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 598 transitions. Word has length 125 [2022-01-10 04:16:29,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:29,321 INFO L470 AbstractCegarLoop]: Abstraction has 455 states and 598 transitions. [2022-01-10 04:16:29,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 9 states have internal predecessors, (125), 0 states have call successors, (0), 0 states 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 04:16:29,322 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 598 transitions. [2022-01-10 04:16:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-10 04:16:29,324 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:29,324 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:29,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 04:16:29,534 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 04:16:29,534 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:29,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:29,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1866428878, now seen corresponding path program 1 times [2022-01-10 04:16:29,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:29,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396460781] [2022-01-10 04:16:29,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:29,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:29,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:29,537 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 04:16:29,541 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 04:16:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:29,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-10 04:16:29,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:16:31,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:31,591 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:31,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396460781] [2022-01-10 04:16:31,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396460781] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:31,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:31,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 04:16:31,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800391802] [2022-01-10 04:16:31,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:31,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 04:16:31,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:31,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 04:16:31,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:16:31,596 INFO L87 Difference]: Start difference. First operand 455 states and 598 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 9 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:16:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:32,416 INFO L93 Difference]: Finished difference Result 1183 states and 1629 transitions. [2022-01-10 04:16:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 04:16:32,416 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 9 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-01-10 04:16:32,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:32,419 INFO L225 Difference]: With dead ends: 1183 [2022-01-10 04:16:32,419 INFO L226 Difference]: Without dead ends: 788 [2022-01-10 04:16:32,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:16:32,421 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 270 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:32,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 78 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 04:16:32,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2022-01-10 04:16:32,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 782. [2022-01-10 04:16:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 781 states have (on average 1.290653008962868) internal successors, (1008), 781 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states 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 04:16:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1008 transitions. [2022-01-10 04:16:32,446 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1008 transitions. Word has length 129 [2022-01-10 04:16:32,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:32,446 INFO L470 AbstractCegarLoop]: Abstraction has 782 states and 1008 transitions. [2022-01-10 04:16:32,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 9 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:16:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1008 transitions. [2022-01-10 04:16:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-01-10 04:16:32,449 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:32,449 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:32,458 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 04:16:32,655 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 04:16:32,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:32,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1328138065, now seen corresponding path program 1 times [2022-01-10 04:16:32,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:32,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318849428] [2022-01-10 04:16:32,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:32,657 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:32,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:32,658 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 04:16:32,659 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 04:16:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:32,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:16:32,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-10 04:16:32,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:32,931 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:32,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318849428] [2022-01-10 04:16:32,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318849428] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:32,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:32,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:32,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608744007] [2022-01-10 04:16:32,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:32,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:32,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:32,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:32,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:32,932 INFO L87 Difference]: Start difference. First operand 782 states and 1008 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:16:33,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:33,328 INFO L93 Difference]: Finished difference Result 1897 states and 2422 transitions. [2022-01-10 04:16:33,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:33,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2022-01-10 04:16:33,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:33,331 INFO L225 Difference]: With dead ends: 1897 [2022-01-10 04:16:33,331 INFO L226 Difference]: Without dead ends: 1044 [2022-01-10 04:16:33,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 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 04:16:33,333 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 16 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:33,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 187 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:16:33,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2022-01-10 04:16:33,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2022-01-10 04:16:33,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1043 states have (on average 1.2320230105465004) internal successors, (1285), 1043 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states 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 04:16:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1285 transitions. [2022-01-10 04:16:33,349 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1285 transitions. Word has length 144 [2022-01-10 04:16:33,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:33,349 INFO L470 AbstractCegarLoop]: Abstraction has 1044 states and 1285 transitions. [2022-01-10 04:16:33,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:16:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1285 transitions. [2022-01-10 04:16:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-01-10 04:16:33,352 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:33,352 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:33,367 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 04:16:33,553 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 04:16:33,554 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:33,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:33,554 INFO L85 PathProgramCache]: Analyzing trace with hash 36453781, now seen corresponding path program 1 times [2022-01-10 04:16:33,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:33,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462972718] [2022-01-10 04:16:33,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:33,556 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:33,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:33,557 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 04:16:33,560 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 04:16:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:33,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:16:33,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:33,777 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-10 04:16:33,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:33,777 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:33,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462972718] [2022-01-10 04:16:33,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462972718] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:33,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:33,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 04:16:33,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240296560] [2022-01-10 04:16:33,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:33,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:33,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:33,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:33,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:33,779 INFO L87 Difference]: Start difference. First operand 1044 states and 1285 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states 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 04:16:34,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:34,124 INFO L93 Difference]: Finished difference Result 2159 states and 2645 transitions. [2022-01-10 04:16:34,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:34,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2022-01-10 04:16:34,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:34,128 INFO L225 Difference]: With dead ends: 2159 [2022-01-10 04:16:34,128 INFO L226 Difference]: Without dead ends: 1175 [2022-01-10 04:16:34,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:34,130 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 159 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:34,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 28 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:34,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2022-01-10 04:16:34,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1044. [2022-01-10 04:16:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1043 states have (on average 1.199424736337488) internal successors, (1251), 1043 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states 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 04:16:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1251 transitions. [2022-01-10 04:16:34,143 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1251 transitions. Word has length 160 [2022-01-10 04:16:34,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:34,143 INFO L470 AbstractCegarLoop]: Abstraction has 1044 states and 1251 transitions. [2022-01-10 04:16:34,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states 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 04:16:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1251 transitions. [2022-01-10 04:16:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-01-10 04:16:34,145 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:34,145 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:34,152 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 04:16:34,352 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 04:16:34,352 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:34,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:34,352 INFO L85 PathProgramCache]: Analyzing trace with hash 360988658, now seen corresponding path program 1 times [2022-01-10 04:16:34,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:34,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624801268] [2022-01-10 04:16:34,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:34,353 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:34,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:34,357 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 04:16:34,358 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 04:16:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:34,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:34,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-01-10 04:16:34,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:34,617 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:34,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624801268] [2022-01-10 04:16:34,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624801268] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:34,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:34,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 04:16:34,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133904235] [2022-01-10 04:16:34,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:34,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:34,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:34,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:34,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:34,621 INFO L87 Difference]: Start difference. First operand 1044 states and 1251 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 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 04:16:34,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:34,981 INFO L93 Difference]: Finished difference Result 2421 states and 2878 transitions. [2022-01-10 04:16:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:34,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 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 171 [2022-01-10 04:16:34,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:34,984 INFO L225 Difference]: With dead ends: 2421 [2022-01-10 04:16:34,984 INFO L226 Difference]: Without dead ends: 1306 [2022-01-10 04:16:34,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 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 04:16:34,986 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 130 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:34,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 59 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:34,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-01-10 04:16:34,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1175. [2022-01-10 04:16:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1174 states have (on average 1.114991482112436) internal successors, (1309), 1174 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states 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 04:16:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1309 transitions. [2022-01-10 04:16:35,002 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1309 transitions. Word has length 171 [2022-01-10 04:16:35,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:35,002 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 1309 transitions. [2022-01-10 04:16:35,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 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 04:16:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1309 transitions. [2022-01-10 04:16:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-10 04:16:35,004 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:35,005 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:35,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-01-10 04:16:35,211 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 04:16:35,212 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:35,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash 40600955, now seen corresponding path program 1 times [2022-01-10 04:16:35,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:35,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504178080] [2022-01-10 04:16:35,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:35,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:35,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:35,215 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 04:16:35,216 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 04:16:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:35,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:35,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 04:16:35,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:35,533 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:35,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504178080] [2022-01-10 04:16:35,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504178080] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:35,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:35,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 04:16:35,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347387308] [2022-01-10 04:16:35,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:35,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:35,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:35,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:35,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:35,535 INFO L87 Difference]: Start difference. First operand 1175 states and 1309 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states 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 04:16:35,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:35,848 INFO L93 Difference]: Finished difference Result 2552 states and 2838 transitions. [2022-01-10 04:16:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:35,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 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 193 [2022-01-10 04:16:35,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:35,852 INFO L225 Difference]: With dead ends: 2552 [2022-01-10 04:16:35,852 INFO L226 Difference]: Without dead ends: 1306 [2022-01-10 04:16:35,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 191 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 04:16:35,853 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 104 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:35,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 43 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:35,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-01-10 04:16:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1306. [2022-01-10 04:16:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1306 states, 1305 states have (on average 1.1088122605363984) internal successors, (1447), 1305 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states 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 04:16:35,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1447 transitions. [2022-01-10 04:16:35,868 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1447 transitions. Word has length 193 [2022-01-10 04:16:35,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:35,868 INFO L470 AbstractCegarLoop]: Abstraction has 1306 states and 1447 transitions. [2022-01-10 04:16:35,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states 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 04:16:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1447 transitions. [2022-01-10 04:16:35,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-01-10 04:16:35,871 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:35,871 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:35,877 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 04:16:36,077 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 04:16:36,078 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:36,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:36,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1653118394, now seen corresponding path program 1 times [2022-01-10 04:16:36,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:36,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093631645] [2022-01-10 04:16:36,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:36,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:36,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:36,080 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 04:16:36,081 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 04:16:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:36,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:36,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-01-10 04:16:36,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:36,385 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:36,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093631645] [2022-01-10 04:16:36,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093631645] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:36,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:36,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:36,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903972531] [2022-01-10 04:16:36,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:36,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:36,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:36,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:36,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:36,386 INFO L87 Difference]: Start difference. First operand 1306 states and 1447 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states 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 04:16:36,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:36,711 INFO L93 Difference]: Finished difference Result 3338 states and 3717 transitions. [2022-01-10 04:16:36,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:36,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 214 [2022-01-10 04:16:36,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:36,715 INFO L225 Difference]: With dead ends: 3338 [2022-01-10 04:16:36,715 INFO L226 Difference]: Without dead ends: 2092 [2022-01-10 04:16:36,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 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 04:16:36,717 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 130 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:36,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 108 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:36,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2022-01-10 04:16:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2092. [2022-01-10 04:16:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2092 states, 2091 states have (on average 1.096126255380201) internal successors, (2292), 2091 states have internal predecessors, (2292), 0 states have call successors, (0), 0 states 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 04:16:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2292 transitions. [2022-01-10 04:16:36,739 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2292 transitions. Word has length 214 [2022-01-10 04:16:36,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:36,739 INFO L470 AbstractCegarLoop]: Abstraction has 2092 states and 2292 transitions. [2022-01-10 04:16:36,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states 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 04:16:36,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2292 transitions. [2022-01-10 04:16:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-01-10 04:16:36,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:36,748 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:36,759 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 04:16:36,955 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 04:16:36,955 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:36,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:36,956 INFO L85 PathProgramCache]: Analyzing trace with hash 705224423, now seen corresponding path program 1 times [2022-01-10 04:16:36,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:36,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458782357] [2022-01-10 04:16:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:36,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:36,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:36,958 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 04:16:36,959 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 04:16:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:37,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:37,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 04:16:37,376 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:37,376 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:37,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458782357] [2022-01-10 04:16:37,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458782357] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:37,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:37,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:37,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947920295] [2022-01-10 04:16:37,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:37,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:16:37,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:37,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:16:37,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:16:37,377 INFO L87 Difference]: Start difference. First operand 2092 states and 2292 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states 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 04:16:37,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:37,898 INFO L93 Difference]: Finished difference Result 4648 states and 5092 transitions. [2022-01-10 04:16:37,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:16:37,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 235 [2022-01-10 04:16:37,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:37,903 INFO L225 Difference]: With dead ends: 4648 [2022-01-10 04:16:37,903 INFO L226 Difference]: Without dead ends: 2485 [2022-01-10 04:16:37,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 232 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 04:16:37,906 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 239 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:37,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 37 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:16:37,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-01-10 04:16:37,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2223. [2022-01-10 04:16:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2222 states have (on average 1.093159315931593) internal successors, (2429), 2222 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states 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 04:16:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2429 transitions. [2022-01-10 04:16:37,935 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2429 transitions. Word has length 235 [2022-01-10 04:16:37,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:37,936 INFO L470 AbstractCegarLoop]: Abstraction has 2223 states and 2429 transitions. [2022-01-10 04:16:37,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states 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 04:16:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2429 transitions. [2022-01-10 04:16:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-01-10 04:16:37,940 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:37,940 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:37,946 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 04:16:38,146 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 04:16:38,146 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:38,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:38,147 INFO L85 PathProgramCache]: Analyzing trace with hash 550372788, now seen corresponding path program 1 times [2022-01-10 04:16:38,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:38,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809208498] [2022-01-10 04:16:38,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:38,148 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:38,149 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 04:16:38,149 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 04:16:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:38,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 04:16:38,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 196 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-01-10 04:16:39,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:16:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 168 proven. 36 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-01-10 04:16:40,520 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:40,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809208498] [2022-01-10 04:16:40,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809208498] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:16:40,520 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:16:40,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:16:40,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907206201] [2022-01-10 04:16:40,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:16:40,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 04:16:40,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:40,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 04:16:40,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:16:40,521 INFO L87 Difference]: Start difference. First operand 2223 states and 2429 transitions. Second operand has 7 states, 7 states have (on average 39.857142857142854) internal successors, (279), 6 states have internal predecessors, (279), 0 states have call successors, (0), 0 states 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 04:16:41,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:41,886 INFO L93 Difference]: Finished difference Result 5476 states and 5932 transitions. [2022-01-10 04:16:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 04:16:41,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 39.857142857142854) internal successors, (279), 6 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2022-01-10 04:16:41,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:41,893 INFO L225 Difference]: With dead ends: 5476 [2022-01-10 04:16:41,893 INFO L226 Difference]: Without dead ends: 3313 [2022-01-10 04:16:41,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-01-10 04:16:41,895 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 1035 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:41,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1035 Valid, 156 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-10 04:16:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2022-01-10 04:16:41,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 2223. [2022-01-10 04:16:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2222 states have (on average 1.093159315931593) internal successors, (2429), 2222 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states 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 04:16:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2429 transitions. [2022-01-10 04:16:41,922 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2429 transitions. Word has length 253 [2022-01-10 04:16:41,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:41,922 INFO L470 AbstractCegarLoop]: Abstraction has 2223 states and 2429 transitions. [2022-01-10 04:16:41,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.857142857142854) internal successors, (279), 6 states have internal predecessors, (279), 0 states have call successors, (0), 0 states 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 04:16:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2429 transitions. [2022-01-10 04:16:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-01-10 04:16:41,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:41,926 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 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, 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] [2022-01-10 04:16:41,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 04:16:42,132 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 04:16:42,132 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:42,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:42,133 INFO L85 PathProgramCache]: Analyzing trace with hash -364729155, now seen corresponding path program 1 times [2022-01-10 04:16:42,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:42,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592253670] [2022-01-10 04:16:42,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:42,134 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:42,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:42,135 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 04:16:42,136 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 04:16:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:42,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:42,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-01-10 04:16:42,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:42,539 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:42,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592253670] [2022-01-10 04:16:42,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592253670] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:42,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:42,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:42,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637771351] [2022-01-10 04:16:42,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:42,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:16:42,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:42,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:16:42,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:16:42,542 INFO L87 Difference]: Start difference. First operand 2223 states and 2429 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states 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 04:16:42,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:42,981 INFO L93 Difference]: Finished difference Result 4648 states and 5066 transitions. [2022-01-10 04:16:42,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:16:42,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 275 [2022-01-10 04:16:42,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:42,986 INFO L225 Difference]: With dead ends: 4648 [2022-01-10 04:16:42,987 INFO L226 Difference]: Without dead ends: 2485 [2022-01-10 04:16:42,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 272 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 04:16:42,989 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 226 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:42,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 32 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:16:42,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-01-10 04:16:43,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2223. [2022-01-10 04:16:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2222 states have (on average 1.0778577857785778) internal successors, (2395), 2222 states have internal predecessors, (2395), 0 states have call successors, (0), 0 states 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 04:16:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2395 transitions. [2022-01-10 04:16:43,012 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2395 transitions. Word has length 275 [2022-01-10 04:16:43,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:43,012 INFO L470 AbstractCegarLoop]: Abstraction has 2223 states and 2395 transitions. [2022-01-10 04:16:43,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states 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 04:16:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2395 transitions. [2022-01-10 04:16:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-01-10 04:16:43,016 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:43,016 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 4, 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, 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] [2022-01-10 04:16:43,023 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 04:16:43,222 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 04:16:43,223 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:43,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:43,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2147366165, now seen corresponding path program 1 times [2022-01-10 04:16:43,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:43,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502516473] [2022-01-10 04:16:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:43,224 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:43,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:43,225 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 04:16:43,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 04:16:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:43,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:43,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-01-10 04:16:43,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:43,655 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:43,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502516473] [2022-01-10 04:16:43,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502516473] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:43,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:43,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:43,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202242349] [2022-01-10 04:16:43,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:43,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:43,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:43,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:43,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:43,656 INFO L87 Difference]: Start difference. First operand 2223 states and 2395 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states 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 04:16:43,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:43,959 INFO L93 Difference]: Finished difference Result 4517 states and 4873 transitions. [2022-01-10 04:16:43,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:43,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 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 284 [2022-01-10 04:16:43,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:43,965 INFO L225 Difference]: With dead ends: 4517 [2022-01-10 04:16:43,965 INFO L226 Difference]: Without dead ends: 2354 [2022-01-10 04:16:43,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 282 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 04:16:43,966 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 117 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:43,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 107 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:43,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2022-01-10 04:16:43,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 2354. [2022-01-10 04:16:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 2353 states have (on average 1.0722481937951551) internal successors, (2523), 2353 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states 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 04:16:43,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 2523 transitions. [2022-01-10 04:16:43,989 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 2523 transitions. Word has length 284 [2022-01-10 04:16:43,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:43,989 INFO L470 AbstractCegarLoop]: Abstraction has 2354 states and 2523 transitions. [2022-01-10 04:16:43,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states 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 04:16:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2523 transitions. [2022-01-10 04:16:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-01-10 04:16:43,993 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:43,994 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:44,005 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 04:16:44,203 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 04:16:44,203 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:44,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash -63515806, now seen corresponding path program 1 times [2022-01-10 04:16:44,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:44,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059497222] [2022-01-10 04:16:44,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:44,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:44,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:44,206 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 04:16:44,206 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 04:16:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:44,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:16:44,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-01-10 04:16:44,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:44,585 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:44,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059497222] [2022-01-10 04:16:44,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059497222] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:44,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:44,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:44,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171181174] [2022-01-10 04:16:44,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:44,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:44,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:44,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:44,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:44,587 INFO L87 Difference]: Start difference. First operand 2354 states and 2523 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states 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 04:16:44,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:44,879 INFO L93 Difference]: Finished difference Result 4122 states and 4416 transitions. [2022-01-10 04:16:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:44,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 298 [2022-01-10 04:16:44,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:44,880 INFO L225 Difference]: With dead ends: 4122 [2022-01-10 04:16:44,880 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:16:44,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 296 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 04:16:44,882 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 109 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:44,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 167 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:44,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:16:44,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:16:44,883 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 04:16:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:16:44,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2022-01-10 04:16:44,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:44,883 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:16:44,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states 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 04:16:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:16:44,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:16:44,885 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:16:44,899 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 04:16:45,092 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 04:16:45,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-10 04:16:45,925 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-10 04:16:45,926 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-10 04:16:45,927 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-10 04:16:45,928 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-10 04:16:45,929 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a7~0 (_ bv1 32))) (.cse4 (= (_ bv4 32) ~a16~0)) (.cse1 (= (_ bv1 32) ~a21~0)) (.cse2 (= (_ bv1 32) ~a20~0)) (.cse5 (= ~a7~0 (_ bv0 32))) (.cse3 (= ~a8~0 (_ bv13 32)))) (or (and .cse0 (or (not (= (_ bv8 32) ~a12~0)) (not (= (_ bv1 32) ~a17~0)) (not (= ~a8~0 (_ bv15 32)))) (= (_ bv5 32) ~a16~0) .cse1) (and .cse2 .cse3 .cse1) (and .cse0 .cse3) (and .cse4 .cse3 .cse1) (and .cse0 .cse4 .cse1) (and .cse5 .cse1) (and .cse2 (or (= (_ bv1 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv4 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv2 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 .cse3))) [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-10 04:16:45,930 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,931 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a7~0 (_ bv1 32))) (.cse4 (= (_ bv4 32) ~a16~0)) (.cse1 (= (_ bv1 32) ~a21~0)) (.cse2 (= (_ bv1 32) ~a20~0)) (.cse5 (= ~a7~0 (_ bv0 32))) (.cse3 (= ~a8~0 (_ bv13 32)))) (or (and .cse0 (or (not (= (_ bv8 32) ~a12~0)) (not (= (_ bv1 32) ~a17~0)) (not (= ~a8~0 (_ bv15 32)))) (= (_ bv5 32) ~a16~0) .cse1) (and .cse2 .cse3 .cse1) (and .cse0 .cse3) (and .cse4 .cse3 .cse1) (and .cse0 .cse4 .cse1) (and .cse5 .cse1) (and .cse2 (or (= (_ bv1 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv4 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv2 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 .cse3))) [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 561) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-10 04:16:45,932 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-10 04:16:45,933 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-10 04:16:45,935 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:16:45,936 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:16:45,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:16:45 BoogieIcfgContainer [2022-01-10 04:16:45,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:16:45,951 INFO L158 Benchmark]: Toolchain (without parser) took 26500.38ms. Allocated memory was 183.5MB in the beginning and 474.0MB in the end (delta: 290.5MB). Free memory was 131.0MB in the beginning and 195.7MB in the end (delta: -64.7MB). Peak memory consumption was 260.1MB. Max. memory is 8.0GB. [2022-01-10 04:16:45,951 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:16:45,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.36ms. Allocated memory is still 183.5MB. Free memory was 130.7MB in the beginning and 140.7MB in the end (delta: -10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 04:16:45,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.06ms. Allocated memory is still 183.5MB. Free memory was 140.7MB in the beginning and 134.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-10 04:16:45,952 INFO L158 Benchmark]: Boogie Preprocessor took 43.64ms. Allocated memory is still 183.5MB. Free memory was 134.9MB in the beginning and 130.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 04:16:45,952 INFO L158 Benchmark]: RCFGBuilder took 867.23ms. Allocated memory is still 183.5MB. Free memory was 130.7MB in the beginning and 70.5MB in the end (delta: 60.3MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2022-01-10 04:16:45,952 INFO L158 Benchmark]: TraceAbstraction took 25120.31ms. Allocated memory was 183.5MB in the beginning and 474.0MB in the end (delta: 290.5MB). Free memory was 69.9MB in the beginning and 195.7MB in the end (delta: -125.8MB). Peak memory consumption was 200.3MB. Max. memory is 8.0GB. [2022-01-10 04:16:45,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 394.36ms. Allocated memory is still 183.5MB. Free memory was 130.7MB in the beginning and 140.7MB in the end (delta: -10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.06ms. Allocated memory is still 183.5MB. Free memory was 140.7MB in the beginning and 134.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.64ms. Allocated memory is still 183.5MB. Free memory was 134.9MB in the beginning and 130.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 867.23ms. Allocated memory is still 183.5MB. Free memory was 130.7MB in the beginning and 70.5MB in the end (delta: 60.3MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * TraceAbstraction took 25120.31ms. Allocated memory was 183.5MB in the beginning and 474.0MB in the end (delta: 290.5MB). Free memory was 69.9MB in the beginning and 195.7MB in the end (delta: -125.8MB). Peak memory consumption was 200.3MB. 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: 561]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.0s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3082 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3082 mSDsluCounter, 1163 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 224 mSDsCounter, 721 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7115 IncrementalHoareTripleChecker+Invalid, 7836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 721 mSolverCounterUnsat, 939 mSDtfsCounter, 7115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2730 GetRequests, 2689 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2354occurred in iteration=11, 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1882 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 195 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1216 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7191 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 2481 NumberOfCodeBlocks, 2481 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2721 ConstructedInterpolants, 0 QuantifiedInterpolants, 17865 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3524 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 2362/2406 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: 593]: Loop Invariant Derived loop invariant: ((((((((a7 == 1bv32 && ((!(8bv32 == a12) || !(1bv32 == a17)) || !(a8 == 15bv32))) && 5bv32 == a16) && 1bv32 == a21) || ((1bv32 == a20 && a8 == 13bv32) && 1bv32 == a21)) || (a7 == 1bv32 && a8 == 13bv32)) || ((4bv32 == a16 && a8 == 13bv32) && 1bv32 == a21)) || ((a7 == 1bv32 && 4bv32 == a16) && 1bv32 == a21)) || (a7 == 0bv32 && 1bv32 == a21)) || (((1bv32 == a20 && (((((1bv32 == input || 4bv32 == input) || 2bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && a7 == 0bv32) && a8 == 13bv32) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((a7 == 1bv32 && ((!(8bv32 == a12) || !(1bv32 == a17)) || !(a8 == 15bv32))) && 5bv32 == a16) && 1bv32 == a21) || ((1bv32 == a20 && a8 == 13bv32) && 1bv32 == a21)) || (a7 == 1bv32 && a8 == 13bv32)) || ((4bv32 == a16 && a8 == 13bv32) && 1bv32 == a21)) || ((a7 == 1bv32 && 4bv32 == a16) && 1bv32 == a21)) || (a7 == 0bv32 && 1bv32 == a21)) || (((1bv32 == a20 && (((((1bv32 == input || 4bv32 == input) || 2bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input)) && a7 == 0bv32) && a8 == 13bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 04:16:45,996 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...