/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:29:47,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:29:47,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:29:47,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:29:47,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:29:47,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:29:47,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:29:47,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:29:47,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:29:47,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:29:47,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:29:47,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:29:47,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:29:47,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:29:47,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:29:47,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:29:47,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:29:47,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:29:47,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:29:47,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:29:47,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:29:47,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:29:47,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:29:47,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:29:47,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:29:47,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:29:47,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:29:47,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:29:47,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:29:47,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:29:47,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:29:47,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:29:47,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:29:47,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:29:47,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:29:47,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:29:47,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:29:47,847 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:29:47,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:29:47,848 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:29:47,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:29:47,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:29:47,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:29:47,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:29:47,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:29:47,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:29:47,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:29:47,850 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:29:47,851 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:29:47,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:29:47,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:29:47,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:29:47,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:29:47,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:29:47,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:29:47,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:29:47,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:29:47,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:29:47,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:29:47,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:29:47,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:29:47,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:29:47,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:29:48,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:29:48,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:29:48,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:29:48,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:29:48,338 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:29:48,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2022-10-16 16:29:48,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c5271b5/85ba9c910ecc4f45b8f9afc5f39da176/FLAGc9597cf75 [2022-10-16 16:29:49,156 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:29:49,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2022-10-16 16:29:49,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c5271b5/85ba9c910ecc4f45b8f9afc5f39da176/FLAGc9597cf75 [2022-10-16 16:29:49,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c5271b5/85ba9c910ecc4f45b8f9afc5f39da176 [2022-10-16 16:29:49,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:29:49,396 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:29:49,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:29:49,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:29:49,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:29:49,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:29:49" (1/1) ... [2022-10-16 16:29:49,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454818ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:49, skipping insertion in model container [2022-10-16 16:29:49,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:29:49" (1/1) ... [2022-10-16 16:29:49,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:29:49,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:29:49,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c[16438,16451] [2022-10-16 16:29:50,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:29:50,091 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:29:50,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c[16438,16451] [2022-10-16 16:29:50,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:29:50,398 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:29:50,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50 WrapperNode [2022-10-16 16:29:50,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:29:50,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:29:50,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:29:50,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:29:50,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,528 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1578 [2022-10-16 16:29:50,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:29:50,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:29:50,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:29:50,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:29:50,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,657 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:29:50,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:29:50,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:29:50,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:29:50,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (1/1) ... [2022-10-16 16:29:50,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:29:50,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:29:50,721 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) [2022-10-16 16:29:50,742 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 [2022-10-16 16:29:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:29:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:29:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:29:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:29:50,974 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:29:50,977 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:29:52,584 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:29:52,608 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:29:52,608 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:29:52,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:29:52 BoogieIcfgContainer [2022-10-16 16:29:52,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:29:52,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:29:52,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:29:52,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:29:52,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:29:49" (1/3) ... [2022-10-16 16:29:52,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f1c92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:29:52, skipping insertion in model container [2022-10-16 16:29:52,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:50" (2/3) ... [2022-10-16 16:29:52,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f1c92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:29:52, skipping insertion in model container [2022-10-16 16:29:52,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:29:52" (3/3) ... [2022-10-16 16:29:52,625 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2022-10-16 16:29:52,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:29:52,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 170 error locations. [2022-10-16 16:29:52,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:29:52,770 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c0606b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:29:52,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 170 error locations. [2022-10-16 16:29:52,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 728 states, 557 states have (on average 1.7648114901256733) internal successors, (983), 727 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 16:29:52,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:52,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:29:52,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:29:52,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:52,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1897159670, now seen corresponding path program 1 times [2022-10-16 16:29:52,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:52,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886326840] [2022-10-16 16:29:52,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:52,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:53,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:53,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886326840] [2022-10-16 16:29:53,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886326840] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:53,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:53,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:29:53,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182241674] [2022-10-16 16:29:53,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:53,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:29:53,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:53,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:29:53,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:29:53,370 INFO L87 Difference]: Start difference. First operand has 728 states, 557 states have (on average 1.7648114901256733) internal successors, (983), 727 states have internal predecessors, (983), 0 states have call successors, (0), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:53,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:53,676 INFO L93 Difference]: Finished difference Result 1418 states and 1888 transitions. [2022-10-16 16:29:53,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:29:53,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-16 16:29:53,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:53,713 INFO L225 Difference]: With dead ends: 1418 [2022-10-16 16:29:53,713 INFO L226 Difference]: Without dead ends: 723 [2022-10-16 16:29:53,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:29:53,727 INFO L413 NwaCegarLoop]: 973 mSDtfsCounter, 184 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:53,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 2676 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:29:53,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-10-16 16:29:53,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2022-10-16 16:29:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 555 states have (on average 1.672072072072072) internal successors, (928), 722 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 928 transitions. [2022-10-16 16:29:53,844 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 928 transitions. Word has length 8 [2022-10-16 16:29:53,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:53,844 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 928 transitions. [2022-10-16 16:29:53,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 928 transitions. [2022-10-16 16:29:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:29:53,847 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:53,848 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:29:53,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:29:53,848 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:29:53,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1771035615, now seen corresponding path program 1 times [2022-10-16 16:29:53,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:53,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638177932] [2022-10-16 16:29:53,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:53,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:54,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:54,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638177932] [2022-10-16 16:29:54,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638177932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:54,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:54,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:54,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486566485] [2022-10-16 16:29:54,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:54,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:29:54,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:54,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:29:54,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:54,084 INFO L87 Difference]: Start difference. First operand 723 states and 928 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:54,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:54,195 INFO L93 Difference]: Finished difference Result 1883 states and 2430 transitions. [2022-10-16 16:29:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:29:54,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 16:29:54,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:54,204 INFO L225 Difference]: With dead ends: 1883 [2022-10-16 16:29:54,205 INFO L226 Difference]: Without dead ends: 1210 [2022-10-16 16:29:54,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:54,209 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 658 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 2379 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:54,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 2379 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:29:54,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2022-10-16 16:29:54,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1082. [2022-10-16 16:29:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 916 states have (on average 1.693231441048035) internal successors, (1551), 1081 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1551 transitions. [2022-10-16 16:29:54,266 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1551 transitions. Word has length 47 [2022-10-16 16:29:54,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:54,267 INFO L495 AbstractCegarLoop]: Abstraction has 1082 states and 1551 transitions. [2022-10-16 16:29:54,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1551 transitions. [2022-10-16 16:29:54,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:29:54,270 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:54,270 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:29:54,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:29:54,271 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:29:54,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:54,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1086050560, now seen corresponding path program 1 times [2022-10-16 16:29:54,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:54,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124566902] [2022-10-16 16:29:54,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:54,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:54,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:54,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124566902] [2022-10-16 16:29:54,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124566902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:54,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:54,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:54,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035896076] [2022-10-16 16:29:54,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:54,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:29:54,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:54,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:29:54,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:54,421 INFO L87 Difference]: Start difference. First operand 1082 states and 1551 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:54,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:54,557 INFO L93 Difference]: Finished difference Result 2934 states and 4248 transitions. [2022-10-16 16:29:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:29:54,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:29:54,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:54,569 INFO L225 Difference]: With dead ends: 2934 [2022-10-16 16:29:54,570 INFO L226 Difference]: Without dead ends: 1908 [2022-10-16 16:29:54,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:54,574 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 659 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:54,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 2028 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:29:54,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-10-16 16:29:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1774. [2022-10-16 16:29:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1774 states, 1608 states have (on average 1.710820895522388) internal successors, (2751), 1773 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2751 transitions. [2022-10-16 16:29:54,673 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2751 transitions. Word has length 71 [2022-10-16 16:29:54,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:54,674 INFO L495 AbstractCegarLoop]: Abstraction has 1774 states and 2751 transitions. [2022-10-16 16:29:54,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2751 transitions. [2022-10-16 16:29:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:29:54,676 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:54,676 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:29:54,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:29:54,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:29:54,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash 609337759, now seen corresponding path program 1 times [2022-10-16 16:29:54,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:54,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364588440] [2022-10-16 16:29:54,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:54,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:54,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:54,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364588440] [2022-10-16 16:29:54,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364588440] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:54,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:54,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:54,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341380453] [2022-10-16 16:29:54,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:54,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:29:54,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:54,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:29:54,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:54,788 INFO L87 Difference]: Start difference. First operand 1774 states and 2751 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:55,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:55,020 INFO L93 Difference]: Finished difference Result 4920 states and 7706 transitions. [2022-10-16 16:29:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:29:55,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:29:55,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:55,041 INFO L225 Difference]: With dead ends: 4920 [2022-10-16 16:29:55,041 INFO L226 Difference]: Without dead ends: 3208 [2022-10-16 16:29:55,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:55,046 INFO L413 NwaCegarLoop]: 1059 mSDtfsCounter, 646 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:55,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 1867 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:29:55,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2022-10-16 16:29:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3074. [2022-10-16 16:29:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 2908 states have (on average 1.7231774415405776) internal successors, (5011), 3073 states have internal predecessors, (5011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 5011 transitions. [2022-10-16 16:29:55,250 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 5011 transitions. Word has length 72 [2022-10-16 16:29:55,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:55,251 INFO L495 AbstractCegarLoop]: Abstraction has 3074 states and 5011 transitions. [2022-10-16 16:29:55,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 5011 transitions. [2022-10-16 16:29:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:29:55,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:55,253 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:29:55,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:29:55,254 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:29:55,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:55,254 INFO L85 PathProgramCache]: Analyzing trace with hash 652295010, now seen corresponding path program 1 times [2022-10-16 16:29:55,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:55,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500712148] [2022-10-16 16:29:55,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:55,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:55,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:55,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500712148] [2022-10-16 16:29:55,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500712148] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:55,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:55,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:55,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24445336] [2022-10-16 16:29:55,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:55,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:29:55,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:55,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:29:55,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:55,366 INFO L87 Difference]: Start difference. First operand 3074 states and 5011 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:55,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:55,786 INFO L93 Difference]: Finished difference Result 8642 states and 14202 transitions. [2022-10-16 16:29:55,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:29:55,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:29:55,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:55,820 INFO L225 Difference]: With dead ends: 8642 [2022-10-16 16:29:55,820 INFO L226 Difference]: Without dead ends: 5636 [2022-10-16 16:29:55,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:55,833 INFO L413 NwaCegarLoop]: 888 mSDtfsCounter, 634 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:55,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 1684 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:29:55,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5636 states. [2022-10-16 16:29:56,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5636 to 5502. [2022-10-16 16:29:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5502 states, 5336 states have (on average 1.7321964017991005) internal successors, (9243), 5501 states have internal predecessors, (9243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5502 states to 5502 states and 9243 transitions. [2022-10-16 16:29:56,293 INFO L78 Accepts]: Start accepts. Automaton has 5502 states and 9243 transitions. Word has length 73 [2022-10-16 16:29:56,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:56,294 INFO L495 AbstractCegarLoop]: Abstraction has 5502 states and 9243 transitions. [2022-10-16 16:29:56,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5502 states and 9243 transitions. [2022-10-16 16:29:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:29:56,300 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:56,300 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:29:56,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:29:56,301 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:29:56,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:56,304 INFO L85 PathProgramCache]: Analyzing trace with hash -962109904, now seen corresponding path program 1 times [2022-10-16 16:29:56,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:56,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007194916] [2022-10-16 16:29:56,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:56,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:56,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:56,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007194916] [2022-10-16 16:29:56,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007194916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:56,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:56,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:56,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517249857] [2022-10-16 16:29:56,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:56,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:29:56,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:56,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:29:56,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:56,481 INFO L87 Difference]: Start difference. First operand 5502 states and 9243 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:57,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:57,116 INFO L93 Difference]: Finished difference Result 15572 states and 26330 transitions. [2022-10-16 16:29:57,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:29:57,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:29:57,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:57,179 INFO L225 Difference]: With dead ends: 15572 [2022-10-16 16:29:57,179 INFO L226 Difference]: Without dead ends: 10144 [2022-10-16 16:29:57,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:57,191 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 621 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:57,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 1664 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:29:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10144 states. [2022-10-16 16:29:57,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10144 to 10010. [2022-10-16 16:29:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10010 states, 9844 states have (on average 1.7394351889475823) internal successors, (17123), 10009 states have internal predecessors, (17123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 17123 transitions. [2022-10-16 16:29:57,971 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 17123 transitions. Word has length 74 [2022-10-16 16:29:57,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:57,973 INFO L495 AbstractCegarLoop]: Abstraction has 10010 states and 17123 transitions. [2022-10-16 16:29:57,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 17123 transitions. [2022-10-16 16:29:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:29:57,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:57,978 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:29:57,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:29:57,978 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:29:57,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:57,979 INFO L85 PathProgramCache]: Analyzing trace with hash -838816825, now seen corresponding path program 1 times [2022-10-16 16:29:57,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:57,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513211820] [2022-10-16 16:29:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:58,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:58,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513211820] [2022-10-16 16:29:58,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513211820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:58,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:58,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:58,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292958498] [2022-10-16 16:29:58,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:58,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:29:58,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:58,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:29:58,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:58,160 INFO L87 Difference]: Start difference. First operand 10010 states and 17123 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:59,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:59,206 INFO L93 Difference]: Finished difference Result 28390 states and 48834 transitions. [2022-10-16 16:29:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:29:59,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:29:59,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:59,269 INFO L225 Difference]: With dead ends: 28390 [2022-10-16 16:29:59,269 INFO L226 Difference]: Without dead ends: 18460 [2022-10-16 16:29:59,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:29:59,288 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 607 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:59,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 1884 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:29:59,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18460 states. [2022-10-16 16:30:00,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18460 to 18326. [2022-10-16 16:30:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18326 states, 18160 states have (on average 1.7459801762114537) internal successors, (31707), 18325 states have internal predecessors, (31707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18326 states to 18326 states and 31707 transitions. [2022-10-16 16:30:00,714 INFO L78 Accepts]: Start accepts. Automaton has 18326 states and 31707 transitions. Word has length 75 [2022-10-16 16:30:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:00,714 INFO L495 AbstractCegarLoop]: Abstraction has 18326 states and 31707 transitions. [2022-10-16 16:30:00,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 18326 states and 31707 transitions. [2022-10-16 16:30:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:30:00,715 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:00,716 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:30:00,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:30:00,716 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:30:00,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:00,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1439478231, now seen corresponding path program 1 times [2022-10-16 16:30:00,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:00,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24185063] [2022-10-16 16:30:00,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:00,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:00,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:00,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24185063] [2022-10-16 16:30:00,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24185063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:00,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:00,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:00,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054791654] [2022-10-16 16:30:00,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:00,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:00,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:00,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:00,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:00,880 INFO L87 Difference]: Start difference. First operand 18326 states and 31707 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:04,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:04,496 INFO L93 Difference]: Finished difference Result 50841 states and 87758 transitions. [2022-10-16 16:30:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:04,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:30:04,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:04,657 INFO L225 Difference]: With dead ends: 50841 [2022-10-16 16:30:04,657 INFO L226 Difference]: Without dead ends: 50826 [2022-10-16 16:30:04,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:04,672 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 2291 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:04,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 1385 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:30:04,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50826 states. [2022-10-16 16:30:07,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50826 to 35441. [2022-10-16 16:30:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35441 states, 35278 states have (on average 1.7223765519587277) internal successors, (60762), 35440 states have internal predecessors, (60762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35441 states to 35441 states and 60762 transitions. [2022-10-16 16:30:07,372 INFO L78 Accepts]: Start accepts. Automaton has 35441 states and 60762 transitions. Word has length 76 [2022-10-16 16:30:07,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:07,373 INFO L495 AbstractCegarLoop]: Abstraction has 35441 states and 60762 transitions. [2022-10-16 16:30:07,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 35441 states and 60762 transitions. [2022-10-16 16:30:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:30:07,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:07,375 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:30:07,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:30:07,376 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:30:07,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:07,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1674151955, now seen corresponding path program 1 times [2022-10-16 16:30:07,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:07,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71841931] [2022-10-16 16:30:07,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:07,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:07,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:07,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71841931] [2022-10-16 16:30:07,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71841931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:07,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:07,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:07,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748377363] [2022-10-16 16:30:07,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:07,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:07,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:07,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:07,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:07,512 INFO L87 Difference]: Start difference. First operand 35441 states and 60762 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:10,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:10,612 INFO L93 Difference]: Finished difference Result 50704 states and 86987 transitions. [2022-10-16 16:30:10,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:30:10,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:30:10,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:10,759 INFO L225 Difference]: With dead ends: 50704 [2022-10-16 16:30:10,760 INFO L226 Difference]: Without dead ends: 50689 [2022-10-16 16:30:10,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:10,775 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 2297 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:10,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 962 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:30:10,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50689 states. [2022-10-16 16:30:13,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50689 to 50581. [2022-10-16 16:30:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50581 states, 50421 states have (on average 1.6965946728545647) internal successors, (85544), 50580 states have internal predecessors, (85544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50581 states to 50581 states and 85544 transitions. [2022-10-16 16:30:13,932 INFO L78 Accepts]: Start accepts. Automaton has 50581 states and 85544 transitions. Word has length 77 [2022-10-16 16:30:13,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:13,933 INFO L495 AbstractCegarLoop]: Abstraction has 50581 states and 85544 transitions. [2022-10-16 16:30:13,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 50581 states and 85544 transitions. [2022-10-16 16:30:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:30:13,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:13,934 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:30:13,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:30:13,935 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:30:13,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash -359102805, now seen corresponding path program 1 times [2022-10-16 16:30:13,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:13,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140548367] [2022-10-16 16:30:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:13,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:14,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:14,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140548367] [2022-10-16 16:30:14,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140548367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:14,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:14,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:14,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44975618] [2022-10-16 16:30:14,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:14,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:14,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:14,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:14,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:14,094 INFO L87 Difference]: Start difference. First operand 50581 states and 85544 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:18,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:18,816 INFO L93 Difference]: Finished difference Result 80720 states and 135453 transitions. [2022-10-16 16:30:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:30:18,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:30:18,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:19,078 INFO L225 Difference]: With dead ends: 80720 [2022-10-16 16:30:19,078 INFO L226 Difference]: Without dead ends: 80705 [2022-10-16 16:30:19,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:30:19,102 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 3652 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3652 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:19,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3652 Valid, 2193 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:30:19,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80705 states. [2022-10-16 16:30:22,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80705 to 66414. [2022-10-16 16:30:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66414 states, 66257 states have (on average 1.6755512625081124) internal successors, (111017), 66413 states have internal predecessors, (111017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66414 states to 66414 states and 111017 transitions. [2022-10-16 16:30:22,534 INFO L78 Accepts]: Start accepts. Automaton has 66414 states and 111017 transitions. Word has length 78 [2022-10-16 16:30:22,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:22,534 INFO L495 AbstractCegarLoop]: Abstraction has 66414 states and 111017 transitions. [2022-10-16 16:30:22,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 66414 states and 111017 transitions. [2022-10-16 16:30:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:30:22,535 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:22,535 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:30:22,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:30:22,537 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:30:22,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:22,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1752715183, now seen corresponding path program 1 times [2022-10-16 16:30:22,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:22,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552866810] [2022-10-16 16:30:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:22,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:22,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:22,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552866810] [2022-10-16 16:30:22,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552866810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:22,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:22,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:22,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041506784] [2022-10-16 16:30:22,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:22,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:22,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:22,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:22,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:22,680 INFO L87 Difference]: Start difference. First operand 66414 states and 111017 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:27,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:27,585 INFO L93 Difference]: Finished difference Result 80310 states and 134235 transitions. [2022-10-16 16:30:27,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:27,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 16:30:27,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:27,745 INFO L225 Difference]: With dead ends: 80310 [2022-10-16 16:30:27,745 INFO L226 Difference]: Without dead ends: 80295 [2022-10-16 16:30:27,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:30:27,770 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 4317 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4317 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:27,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4317 Valid, 1385 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:30:27,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80295 states. [2022-10-16 16:30:32,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80295 to 80089. [2022-10-16 16:30:32,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80089 states, 79935 states have (on average 1.6540439106774254) internal successors, (132216), 80088 states have internal predecessors, (132216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80089 states to 80089 states and 132216 transitions. [2022-10-16 16:30:32,560 INFO L78 Accepts]: Start accepts. Automaton has 80089 states and 132216 transitions. Word has length 79 [2022-10-16 16:30:32,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:32,560 INFO L495 AbstractCegarLoop]: Abstraction has 80089 states and 132216 transitions. [2022-10-16 16:30:32,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 80089 states and 132216 transitions. [2022-10-16 16:30:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:30:32,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:32,561 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:30:32,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:30:32,561 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:30:32,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:32,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1500403923, now seen corresponding path program 1 times [2022-10-16 16:30:32,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:32,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851917558] [2022-10-16 16:30:32,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:32,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:32,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:32,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851917558] [2022-10-16 16:30:32,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851917558] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:32,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:32,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:32,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222963409] [2022-10-16 16:30:32,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:32,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:32,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:32,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:32,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:32,980 INFO L87 Difference]: Start difference. First operand 80089 states and 132216 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:40,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:40,317 INFO L93 Difference]: Finished difference Result 122209 states and 200546 transitions. [2022-10-16 16:30:40,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:30:40,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:30:40,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:40,547 INFO L225 Difference]: With dead ends: 122209 [2022-10-16 16:30:40,548 INFO L226 Difference]: Without dead ends: 122194 [2022-10-16 16:30:40,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:30:40,577 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 5370 mSDsluCounter, 2490 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5370 SdHoareTripleChecker+Valid, 3048 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:40,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5370 Valid, 3048 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:30:40,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122194 states. [2022-10-16 16:30:45,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122194 to 95694. [2022-10-16 16:30:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95694 states, 95543 states have (on average 1.6327412787959348) internal successors, (155997), 95693 states have internal predecessors, (155997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95694 states to 95694 states and 155997 transitions. [2022-10-16 16:30:46,467 INFO L78 Accepts]: Start accepts. Automaton has 95694 states and 155997 transitions. Word has length 80 [2022-10-16 16:30:46,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:46,467 INFO L495 AbstractCegarLoop]: Abstraction has 95694 states and 155997 transitions. [2022-10-16 16:30:46,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 95694 states and 155997 transitions. [2022-10-16 16:30:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:30:46,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:46,469 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:30:46,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:30:46,469 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:30:46,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:46,470 INFO L85 PathProgramCache]: Analyzing trace with hash 732118897, now seen corresponding path program 1 times [2022-10-16 16:30:46,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:46,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774797988] [2022-10-16 16:30:46,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:46,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:46,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:46,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774797988] [2022-10-16 16:30:46,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774797988] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:46,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:46,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:46,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154993980] [2022-10-16 16:30:46,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:46,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:46,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:46,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:46,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:46,631 INFO L87 Difference]: Start difference. First operand 95694 states and 155997 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:54,403 INFO L93 Difference]: Finished difference Result 121176 states and 197179 transitions. [2022-10-16 16:30:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:30:54,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 16:30:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:54,590 INFO L225 Difference]: With dead ends: 121176 [2022-10-16 16:30:54,590 INFO L226 Difference]: Without dead ends: 121161 [2022-10-16 16:30:54,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:30:54,615 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 5620 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5620 SdHoareTripleChecker+Valid, 2176 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:54,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5620 Valid, 2176 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:30:54,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121161 states. [2022-10-16 16:31:01,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121161 to 120869. [2022-10-16 16:31:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120869 states, 120721 states have (on average 1.6124452249401513) internal successors, (194656), 120868 states have internal predecessors, (194656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120869 states to 120869 states and 194656 transitions. [2022-10-16 16:31:02,200 INFO L78 Accepts]: Start accepts. Automaton has 120869 states and 194656 transitions. Word has length 81 [2022-10-16 16:31:02,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:02,200 INFO L495 AbstractCegarLoop]: Abstraction has 120869 states and 194656 transitions. [2022-10-16 16:31:02,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 120869 states and 194656 transitions. [2022-10-16 16:31:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:31:02,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:02,205 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:31:02,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:31:02,206 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:31:02,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:02,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1220849583, now seen corresponding path program 1 times [2022-10-16 16:31:02,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:02,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821889750] [2022-10-16 16:31:02,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:02,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:02,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:02,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:02,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821889750] [2022-10-16 16:31:02,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821889750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:02,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:02,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:02,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899299962] [2022-10-16 16:31:02,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:02,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:02,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:02,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:02,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:02,391 INFO L87 Difference]: Start difference. First operand 120869 states and 194656 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:12,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:12,524 INFO L93 Difference]: Finished difference Result 173606 states and 278771 transitions. [2022-10-16 16:31:12,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:31:12,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 16:31:12,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:13,003 INFO L225 Difference]: With dead ends: 173606 [2022-10-16 16:31:13,003 INFO L226 Difference]: Without dead ends: 173591 [2022-10-16 16:31:13,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:31:13,044 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 6848 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6848 SdHoareTripleChecker+Valid, 4113 SdHoareTripleChecker+Invalid, 2656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:13,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6848 Valid, 4113 Invalid, 2656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2553 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:31:13,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173591 states. [2022-10-16 16:31:21,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173591 to 136210. [2022-10-16 16:31:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136210 states, 136065 states have (on average 1.5925109322750157) internal successors, (216685), 136209 states have internal predecessors, (216685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136210 states to 136210 states and 216685 transitions. [2022-10-16 16:31:21,801 INFO L78 Accepts]: Start accepts. Automaton has 136210 states and 216685 transitions. Word has length 82 [2022-10-16 16:31:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:21,801 INFO L495 AbstractCegarLoop]: Abstraction has 136210 states and 216685 transitions. [2022-10-16 16:31:21,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 136210 states and 216685 transitions. [2022-10-16 16:31:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:31:21,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:21,802 INFO L195 NwaCegarLoop]: 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] [2022-10-16 16:31:21,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:31:21,802 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 16:31:21,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:21,803 INFO L85 PathProgramCache]: Analyzing trace with hash -808368333, now seen corresponding path program 1 times [2022-10-16 16:31:21,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:21,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421307738] [2022-10-16 16:31:21,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:21,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:21,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:21,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421307738] [2022-10-16 16:31:21,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421307738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:21,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:21,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:21,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189469839] [2022-10-16 16:31:21,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:21,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:21,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:21,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:21,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:21,972 INFO L87 Difference]: Start difference. First operand 136210 states and 216685 transitions. Second operand has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:32,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:32,914 INFO L93 Difference]: Finished difference Result 171566 states and 271647 transitions. [2022-10-16 16:31:32,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:31:32,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 16:31:32,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:33,220 INFO L225 Difference]: With dead ends: 171566 [2022-10-16 16:31:33,220 INFO L226 Difference]: Without dead ends: 171551 [2022-10-16 16:31:33,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:31:33,445 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 7272 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 2060 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7272 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 2060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:33,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7272 Valid, 3025 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 2060 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:31:33,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171551 states.