/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/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:00:52,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:00:52,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:00:52,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:00:52,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:00:52,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:00:52,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:00:52,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:00:52,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:00:52,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:00:52,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:00:52,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:00:52,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:00:52,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:00:52,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:00:52,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:00:52,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:00:53,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:00:53,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:00:53,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:00:53,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:00:53,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:00:53,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:00:53,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:00:53,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:00:53,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:00:53,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:00:53,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:00:53,051 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 15:00:53,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:00:53,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:00:53,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:00:53,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:00:53,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:00:53,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:00:53,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:00:53,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:00:53,125 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:00:53,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:00:53,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:00:53,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:00:53,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:00:53,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:00:53,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:00:53,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:00:53,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:00:53,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:00:53,128 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:00:53,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:00:53,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:00:53,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:00:53,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:00:53,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:00:53,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:00:53,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:00:53,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:00:53,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:00:53,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:00:53,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:00:53,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:00:53,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:00:53,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:00:53,132 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:00:53,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:00:53,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:00:53,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:00:53,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:00:53,617 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:00:53,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c [2022-10-16 15:00:53,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226dc647d/2234951068b748b4817c4aaaa5c4b474/FLAGdb0d4a12e [2022-10-16 15:00:54,464 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:00:54,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c [2022-10-16 15:00:54,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226dc647d/2234951068b748b4817c4aaaa5c4b474/FLAGdb0d4a12e [2022-10-16 15:00:54,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226dc647d/2234951068b748b4817c4aaaa5c4b474 [2022-10-16 15:00:54,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:00:54,752 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:00:54,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:00:54,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:00:54,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:00:54,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:00:54" (1/1) ... [2022-10-16 15:00:54,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f314bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:54, skipping insertion in model container [2022-10-16 15:00:54,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:00:54" (1/1) ... [2022-10-16 15:00:54,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:00:54,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:00:55,244 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/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c[12764,12777] [2022-10-16 15:00:55,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:00:55,261 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:00:55,359 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/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c[12764,12777] [2022-10-16 15:00:55,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:00:55,380 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:00:55,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55 WrapperNode [2022-10-16 15:00:55,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:00:55,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:00:55,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:00:55,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:00:55,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,454 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 475 [2022-10-16 15:00:55,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:00:55,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:00:55,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:00:55,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:00:55,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,538 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:00:55,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:00:55,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:00:55,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:00:55,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (1/1) ... [2022-10-16 15:00:55,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:00:55,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:55,600 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 15:00:55,626 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 15:00:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:00:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:00:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:00:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:00:55,804 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:00:55,807 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:00:56,639 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:00:56,651 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:00:56,651 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:00:56,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:00:56 BoogieIcfgContainer [2022-10-16 15:00:56,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:00:56,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:00:56,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:00:56,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:00:56,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:00:54" (1/3) ... [2022-10-16 15:00:56,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcd945c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:00:56, skipping insertion in model container [2022-10-16 15:00:56,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:55" (2/3) ... [2022-10-16 15:00:56,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcd945c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:00:56, skipping insertion in model container [2022-10-16 15:00:56,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:00:56" (3/3) ... [2022-10-16 15:00:56,666 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c [2022-10-16 15:00:56,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:00:56,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 15:00:56,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:00:56,779 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;@754b9fb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:00:56,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 15:00:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 163 states have (on average 1.803680981595092) internal successors, (294), 197 states have internal predecessors, (294), 0 states have call successors, (0), 0 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 15:00:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:00:56,806 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:56,807 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] [2022-10-16 15:00:56,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:56,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:56,817 INFO L85 PathProgramCache]: Analyzing trace with hash -624302356, now seen corresponding path program 1 times [2022-10-16 15:00:56,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:56,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819653615] [2022-10-16 15:00:56,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:56,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:57,110 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 15:00:57,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:57,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819653615] [2022-10-16 15:00:57,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819653615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:57,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:57,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:00:57,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777357014] [2022-10-16 15:00:57,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:57,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:00:57,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:57,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:00:57,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:00:57,162 INFO L87 Difference]: Start difference. First operand has 198 states, 163 states have (on average 1.803680981595092) internal successors, (294), 197 states have internal predecessors, (294), 0 states have call successors, (0), 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 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 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 15:00:57,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:57,249 INFO L93 Difference]: Finished difference Result 340 states and 486 transitions. [2022-10-16 15:00:57,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:00:57,252 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-10-16 15:00:57,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:57,266 INFO L225 Difference]: With dead ends: 340 [2022-10-16 15:00:57,266 INFO L226 Difference]: Without dead ends: 193 [2022-10-16 15:00:57,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:00:57,278 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:57,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:57,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-10-16 15:00:57,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-10-16 15:00:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 159 states have (on average 1.79874213836478) internal successors, (286), 192 states have internal predecessors, (286), 0 states have call successors, (0), 0 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 15:00:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 286 transitions. [2022-10-16 15:00:57,342 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 286 transitions. Word has length 22 [2022-10-16 15:00:57,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:57,343 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 286 transitions. [2022-10-16 15:00:57,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 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 15:00:57,343 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 286 transitions. [2022-10-16 15:00:57,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:00:57,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:57,345 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] [2022-10-16 15:00:57,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:00:57,345 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:57,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:57,346 INFO L85 PathProgramCache]: Analyzing trace with hash -622455314, now seen corresponding path program 1 times [2022-10-16 15:00:57,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:57,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993322339] [2022-10-16 15:00:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:57,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:57,618 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 15:00:57,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:57,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993322339] [2022-10-16 15:00:57,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993322339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:57,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:57,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:00:57,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600497400] [2022-10-16 15:00:57,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:57,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:00:57,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:57,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:00:57,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:00:57,622 INFO L87 Difference]: Start difference. First operand 193 states and 286 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 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 15:00:57,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:57,754 INFO L93 Difference]: Finished difference Result 469 states and 658 transitions. [2022-10-16 15:00:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:00:57,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-10-16 15:00:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:57,758 INFO L225 Difference]: With dead ends: 469 [2022-10-16 15:00:57,758 INFO L226 Difference]: Without dead ends: 329 [2022-10-16 15:00:57,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:00:57,762 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 186 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:57,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 1095 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:57,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-10-16 15:00:57,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 193. [2022-10-16 15:00:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 159 states have (on average 1.628930817610063) internal successors, (259), 192 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:00:57,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 259 transitions. [2022-10-16 15:00:57,790 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 259 transitions. Word has length 22 [2022-10-16 15:00:57,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:57,790 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 259 transitions. [2022-10-16 15:00:57,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 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 15:00:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 259 transitions. [2022-10-16 15:00:57,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 15:00:57,797 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:57,797 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] [2022-10-16 15:00:57,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:00:57,798 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:57,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:57,799 INFO L85 PathProgramCache]: Analyzing trace with hash -163905851, now seen corresponding path program 1 times [2022-10-16 15:00:57,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:57,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178387426] [2022-10-16 15:00:57,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:57,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:58,005 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 15:00:58,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:58,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178387426] [2022-10-16 15:00:58,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178387426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:58,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:58,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:58,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538548907] [2022-10-16 15:00:58,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:58,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:00:58,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:58,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:00:58,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:00:58,009 INFO L87 Difference]: Start difference. First operand 193 states and 259 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:00:58,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:58,036 INFO L93 Difference]: Finished difference Result 446 states and 597 transitions. [2022-10-16 15:00:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:00:58,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-16 15:00:58,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:58,040 INFO L225 Difference]: With dead ends: 446 [2022-10-16 15:00:58,040 INFO L226 Difference]: Without dead ends: 310 [2022-10-16 15:00:58,041 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 15:00:58,043 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 164 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:58,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 643 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:58,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-10-16 15:00:58,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 278. [2022-10-16 15:00:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 244 states have (on average 1.6885245901639345) internal successors, (412), 277 states have internal predecessors, (412), 0 states have call successors, (0), 0 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 15:00:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 412 transitions. [2022-10-16 15:00:58,065 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 412 transitions. Word has length 48 [2022-10-16 15:00:58,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:58,066 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 412 transitions. [2022-10-16 15:00:58,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:00:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 412 transitions. [2022-10-16 15:00:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 15:00:58,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:58,068 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] [2022-10-16 15:00:58,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:00:58,069 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:58,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:58,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1653144761, now seen corresponding path program 1 times [2022-10-16 15:00:58,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:58,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562133244] [2022-10-16 15:00:58,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:58,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:58,231 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 15:00:58,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:58,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562133244] [2022-10-16 15:00:58,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562133244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:58,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:58,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:58,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999628323] [2022-10-16 15:00:58,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:58,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:00:58,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:58,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:00:58,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:00:58,235 INFO L87 Difference]: Start difference. First operand 278 states and 412 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 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 15:00:58,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:58,293 INFO L93 Difference]: Finished difference Result 610 states and 902 transitions. [2022-10-16 15:00:58,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:00:58,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 15:00:58,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:58,297 INFO L225 Difference]: With dead ends: 610 [2022-10-16 15:00:58,298 INFO L226 Difference]: Without dead ends: 389 [2022-10-16 15:00:58,299 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 15:00:58,301 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 142 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:58,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 467 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:58,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-10-16 15:00:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 364. [2022-10-16 15:00:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 330 states have (on average 1.687878787878788) internal successors, (557), 363 states have internal predecessors, (557), 0 states have call successors, (0), 0 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 15:00:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 557 transitions. [2022-10-16 15:00:58,322 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 557 transitions. Word has length 52 [2022-10-16 15:00:58,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:58,323 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 557 transitions. [2022-10-16 15:00:58,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 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 15:00:58,324 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 557 transitions. [2022-10-16 15:00:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 15:00:58,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:58,326 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] [2022-10-16 15:00:58,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:00:58,326 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:58,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:58,327 INFO L85 PathProgramCache]: Analyzing trace with hash 862601464, now seen corresponding path program 1 times [2022-10-16 15:00:58,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:58,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721833270] [2022-10-16 15:00:58,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:58,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:58,501 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 15:00:58,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:58,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721833270] [2022-10-16 15:00:58,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721833270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:58,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:58,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:58,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063224082] [2022-10-16 15:00:58,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:58,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:00:58,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:58,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:00:58,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:00:58,507 INFO L87 Difference]: Start difference. First operand 364 states and 557 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 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 15:00:58,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:58,565 INFO L93 Difference]: Finished difference Result 921 states and 1427 transitions. [2022-10-16 15:00:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:00:58,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 15:00:58,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:58,571 INFO L225 Difference]: With dead ends: 921 [2022-10-16 15:00:58,572 INFO L226 Difference]: Without dead ends: 616 [2022-10-16 15:00:58,573 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 15:00:58,582 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 158 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:58,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 630 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:58,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-10-16 15:00:58,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 584. [2022-10-16 15:00:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 550 states have (on average 1.7163636363636363) internal successors, (944), 583 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 15:00:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 944 transitions. [2022-10-16 15:00:58,630 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 944 transitions. Word has length 54 [2022-10-16 15:00:58,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:58,631 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 944 transitions. [2022-10-16 15:00:58,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 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 15:00:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 944 transitions. [2022-10-16 15:00:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:00:58,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:58,643 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] [2022-10-16 15:00:58,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:00:58,644 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:58,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:58,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1344960634, now seen corresponding path program 1 times [2022-10-16 15:00:58,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:58,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309537747] [2022-10-16 15:00:58,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:58,796 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 15:00:58,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:58,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309537747] [2022-10-16 15:00:58,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309537747] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:58,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:58,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:58,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277449950] [2022-10-16 15:00:58,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:58,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:00:58,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:58,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:00:58,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:00:58,804 INFO L87 Difference]: Start difference. First operand 584 states and 944 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 15:00:58,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:58,850 INFO L93 Difference]: Finished difference Result 1401 states and 2266 transitions. [2022-10-16 15:00:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:00:58,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 15:00:58,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:58,858 INFO L225 Difference]: With dead ends: 1401 [2022-10-16 15:00:58,858 INFO L226 Difference]: Without dead ends: 876 [2022-10-16 15:00:58,859 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 15:00:58,867 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 160 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:58,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 480 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:58,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2022-10-16 15:00:58,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 841. [2022-10-16 15:00:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 807 states have (on average 1.7187112763320942) internal successors, (1387), 840 states have internal predecessors, (1387), 0 states have call successors, (0), 0 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 15:00:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1387 transitions. [2022-10-16 15:00:58,905 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1387 transitions. Word has length 58 [2022-10-16 15:00:58,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:58,906 INFO L495 AbstractCegarLoop]: Abstraction has 841 states and 1387 transitions. [2022-10-16 15:00:58,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 15:00:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1387 transitions. [2022-10-16 15:00:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:00:58,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:58,908 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] [2022-10-16 15:00:58,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:00:58,909 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:58,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:58,910 INFO L85 PathProgramCache]: Analyzing trace with hash 118833067, now seen corresponding path program 1 times [2022-10-16 15:00:58,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:58,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503669248] [2022-10-16 15:00:58,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:58,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:59,028 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 15:00:59,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:59,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503669248] [2022-10-16 15:00:59,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503669248] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:59,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:59,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:59,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601085176] [2022-10-16 15:00:59,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:59,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:00:59,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:59,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:00:59,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:00:59,032 INFO L87 Difference]: Start difference. First operand 841 states and 1387 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 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 15:00:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:59,091 INFO L93 Difference]: Finished difference Result 2230 states and 3709 transitions. [2022-10-16 15:00:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:00:59,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 15:00:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:59,101 INFO L225 Difference]: With dead ends: 2230 [2022-10-16 15:00:59,102 INFO L226 Difference]: Without dead ends: 1458 [2022-10-16 15:00:59,103 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 15:00:59,104 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 152 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:59,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 617 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:59,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-10-16 15:00:59,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1426. [2022-10-16 15:00:59,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1392 states have (on average 1.7270114942528736) internal successors, (2404), 1425 states have internal predecessors, (2404), 0 states have call successors, (0), 0 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 15:00:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2404 transitions. [2022-10-16 15:00:59,187 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2404 transitions. Word has length 60 [2022-10-16 15:00:59,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:59,187 INFO L495 AbstractCegarLoop]: Abstraction has 1426 states and 2404 transitions. [2022-10-16 15:00:59,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 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 15:00:59,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2404 transitions. [2022-10-16 15:00:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:00:59,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:59,189 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] [2022-10-16 15:00:59,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:00:59,190 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:59,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:59,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1145263598, now seen corresponding path program 1 times [2022-10-16 15:00:59,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:59,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008329467] [2022-10-16 15:00:59,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:59,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:59,279 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 15:00:59,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:59,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008329467] [2022-10-16 15:00:59,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008329467] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:59,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:59,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:59,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846376024] [2022-10-16 15:00:59,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:59,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:00:59,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:59,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:00:59,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:00:59,283 INFO L87 Difference]: Start difference. First operand 1426 states and 2404 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:00:59,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:59,380 INFO L93 Difference]: Finished difference Result 3500 states and 5910 transitions. [2022-10-16 15:00:59,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:00:59,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:00:59,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:59,394 INFO L225 Difference]: With dead ends: 3500 [2022-10-16 15:00:59,394 INFO L226 Difference]: Without dead ends: 2143 [2022-10-16 15:00:59,397 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 15:00:59,398 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 154 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:59,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 481 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2022-10-16 15:00:59,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2102. [2022-10-16 15:00:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2102 states, 2068 states have (on average 1.7219535783365572) internal successors, (3561), 2101 states have internal predecessors, (3561), 0 states have call successors, (0), 0 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 15:00:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 3561 transitions. [2022-10-16 15:00:59,487 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 3561 transitions. Word has length 63 [2022-10-16 15:00:59,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:59,487 INFO L495 AbstractCegarLoop]: Abstraction has 2102 states and 3561 transitions. [2022-10-16 15:00:59,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:00:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 3561 transitions. [2022-10-16 15:00:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:00:59,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:59,489 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] [2022-10-16 15:00:59,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:00:59,489 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:00:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:59,490 INFO L85 PathProgramCache]: Analyzing trace with hash 268225309, now seen corresponding path program 1 times [2022-10-16 15:00:59,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:59,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733389630] [2022-10-16 15:00:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:59,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:59,663 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 15:00:59,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:59,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733389630] [2022-10-16 15:00:59,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733389630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:59,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:59,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:59,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643337832] [2022-10-16 15:00:59,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:59,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:59,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:59,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:59,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:00:59,668 INFO L87 Difference]: Start difference. First operand 2102 states and 3561 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 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 15:01:00,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:00,008 INFO L93 Difference]: Finished difference Result 4873 states and 8331 transitions. [2022-10-16 15:01:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:01:00,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 15:01:00,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:00,037 INFO L225 Difference]: With dead ends: 4873 [2022-10-16 15:01:00,037 INFO L226 Difference]: Without dead ends: 4870 [2022-10-16 15:01:00,042 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 15:01:00,045 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 535 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:00,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 687 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:01:00,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4870 states. [2022-10-16 15:01:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4870 to 3888. [2022-10-16 15:01:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3888 states, 3854 states have (on average 1.7163985469641931) internal successors, (6615), 3887 states have internal predecessors, (6615), 0 states have call successors, (0), 0 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 15:01:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3888 states and 6615 transitions. [2022-10-16 15:01:00,254 INFO L78 Accepts]: Start accepts. Automaton has 3888 states and 6615 transitions. Word has length 65 [2022-10-16 15:01:00,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:00,254 INFO L495 AbstractCegarLoop]: Abstraction has 3888 states and 6615 transitions. [2022-10-16 15:01:00,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 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 15:01:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 6615 transitions. [2022-10-16 15:01:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:01:00,255 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:00,256 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] [2022-10-16 15:01:00,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:01:00,256 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:00,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:00,258 INFO L85 PathProgramCache]: Analyzing trace with hash -274949442, now seen corresponding path program 1 times [2022-10-16 15:01:00,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:00,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512018075] [2022-10-16 15:01:00,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:00,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:00,393 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 15:01:00,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:00,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512018075] [2022-10-16 15:01:00,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512018075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:00,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:00,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:00,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021735771] [2022-10-16 15:01:00,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:00,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:00,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:00,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:00,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:00,399 INFO L87 Difference]: Start difference. First operand 3888 states and 6615 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 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 15:01:00,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:00,757 INFO L93 Difference]: Finished difference Result 4839 states and 8259 transitions. [2022-10-16 15:01:00,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:01:00,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-16 15:01:00,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:00,785 INFO L225 Difference]: With dead ends: 4839 [2022-10-16 15:01:00,785 INFO L226 Difference]: Without dead ends: 4836 [2022-10-16 15:01:00,788 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 15:01:00,789 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 532 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:00,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 477 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:01:00,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4836 states. [2022-10-16 15:01:00,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4836 to 4808. [2022-10-16 15:01:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4808 states, 4774 states have (on average 1.7048596564725598) internal successors, (8139), 4807 states have internal predecessors, (8139), 0 states have call successors, (0), 0 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 15:01:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4808 states to 4808 states and 8139 transitions. [2022-10-16 15:01:01,073 INFO L78 Accepts]: Start accepts. Automaton has 4808 states and 8139 transitions. Word has length 66 [2022-10-16 15:01:01,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:01,074 INFO L495 AbstractCegarLoop]: Abstraction has 4808 states and 8139 transitions. [2022-10-16 15:01:01,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 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 15:01:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 4808 states and 8139 transitions. [2022-10-16 15:01:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:01:01,077 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:01,078 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] [2022-10-16 15:01:01,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:01:01,079 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:01,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:01,079 INFO L85 PathProgramCache]: Analyzing trace with hash 66502463, now seen corresponding path program 1 times [2022-10-16 15:01:01,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:01,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540618508] [2022-10-16 15:01:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:01,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:01:01,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:01,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540618508] [2022-10-16 15:01:01,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540618508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:01,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:01,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:01:01,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868897332] [2022-10-16 15:01:01,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:01,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:01:01,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:01,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:01:01,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:01:01,197 INFO L87 Difference]: Start difference. First operand 4808 states and 8139 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 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 15:01:02,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:02,085 INFO L93 Difference]: Finished difference Result 15444 states and 26172 transitions. [2022-10-16 15:01:02,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:01:02,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 15:01:02,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:02,145 INFO L225 Difference]: With dead ends: 15444 [2022-10-16 15:01:02,146 INFO L226 Difference]: Without dead ends: 10715 [2022-10-16 15:01:02,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:01:02,155 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1183 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:02,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 1361 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:01:02,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10715 states. [2022-10-16 15:01:02,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10715 to 8741. [2022-10-16 15:01:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8741 states, 8707 states have (on average 1.6810612151142759) internal successors, (14637), 8740 states have internal predecessors, (14637), 0 states have call successors, (0), 0 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 15:01:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8741 states to 8741 states and 14637 transitions. [2022-10-16 15:01:02,648 INFO L78 Accepts]: Start accepts. Automaton has 8741 states and 14637 transitions. Word has length 67 [2022-10-16 15:01:02,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:02,649 INFO L495 AbstractCegarLoop]: Abstraction has 8741 states and 14637 transitions. [2022-10-16 15:01:02,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 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 15:01:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 8741 states and 14637 transitions. [2022-10-16 15:01:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:01:02,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:02,650 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] [2022-10-16 15:01:02,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:01:02,651 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:02,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:02,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2061576928, now seen corresponding path program 1 times [2022-10-16 15:01:02,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:02,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473690510] [2022-10-16 15:01:02,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:02,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:01:02,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:02,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473690510] [2022-10-16 15:01:02,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473690510] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:02,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:02,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:01:02,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058519222] [2022-10-16 15:01:02,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:02,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:01:02,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:02,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:01:02,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:01:02,754 INFO L87 Difference]: Start difference. First operand 8741 states and 14637 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 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 15:01:03,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:03,428 INFO L93 Difference]: Finished difference Result 11480 states and 19281 transitions. [2022-10-16 15:01:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:01:03,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:01:03,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:03,463 INFO L225 Difference]: With dead ends: 11480 [2022-10-16 15:01:03,464 INFO L226 Difference]: Without dead ends: 11477 [2022-10-16 15:01:03,469 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 15:01:03,470 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 1171 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:03,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 822 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:01:03,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11477 states. [2022-10-16 15:01:04,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11477 to 11399. [2022-10-16 15:01:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11399 states, 11365 states have (on average 1.668015838099428) internal successors, (18957), 11398 states have internal predecessors, (18957), 0 states have call successors, (0), 0 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 15:01:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11399 states to 11399 states and 18957 transitions. [2022-10-16 15:01:04,090 INFO L78 Accepts]: Start accepts. Automaton has 11399 states and 18957 transitions. Word has length 68 [2022-10-16 15:01:04,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:04,091 INFO L495 AbstractCegarLoop]: Abstraction has 11399 states and 18957 transitions. [2022-10-16 15:01:04,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 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 15:01:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 11399 states and 18957 transitions. [2022-10-16 15:01:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:01:04,093 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:04,093 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] [2022-10-16 15:01:04,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:01:04,094 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:04,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:04,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1195522850, now seen corresponding path program 1 times [2022-10-16 15:01:04,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:04,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459391679] [2022-10-16 15:01:04,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:04,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:04,200 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 15:01:04,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:04,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459391679] [2022-10-16 15:01:04,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459391679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:04,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:04,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:04,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403016567] [2022-10-16 15:01:04,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:04,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:04,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:04,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:04,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:04,204 INFO L87 Difference]: Start difference. First operand 11399 states and 18957 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:01:05,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:05,211 INFO L93 Difference]: Finished difference Result 30602 states and 50934 transitions. [2022-10-16 15:01:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:01:05,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:01:05,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:05,267 INFO L225 Difference]: With dead ends: 30602 [2022-10-16 15:01:05,267 INFO L226 Difference]: Without dead ends: 19282 [2022-10-16 15:01:05,286 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 15:01:05,288 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 521 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:05,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 737 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:01:05,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19282 states. [2022-10-16 15:01:06,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19282 to 16429. [2022-10-16 15:01:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16429 states, 16395 states have (on average 1.6545288197621226) internal successors, (27126), 16428 states have internal predecessors, (27126), 0 states have call successors, (0), 0 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 15:01:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16429 states to 16429 states and 27126 transitions. [2022-10-16 15:01:06,216 INFO L78 Accepts]: Start accepts. Automaton has 16429 states and 27126 transitions. Word has length 70 [2022-10-16 15:01:06,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:06,217 INFO L495 AbstractCegarLoop]: Abstraction has 16429 states and 27126 transitions. [2022-10-16 15:01:06,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:01:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 16429 states and 27126 transitions. [2022-10-16 15:01:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:01:06,218 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:06,219 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 15:01:06,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:01:06,219 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:06,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:06,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1593496732, now seen corresponding path program 1 times [2022-10-16 15:01:06,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:06,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166378976] [2022-10-16 15:01:06,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:06,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:06,436 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 15:01:06,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:06,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166378976] [2022-10-16 15:01:06,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166378976] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:06,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:06,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:06,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876960359] [2022-10-16 15:01:06,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:06,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:06,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:06,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:06,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:06,440 INFO L87 Difference]: Start difference. First operand 16429 states and 27126 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 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 15:01:07,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:07,621 INFO L93 Difference]: Finished difference Result 23371 states and 38991 transitions. [2022-10-16 15:01:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:01:07,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 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 15:01:07,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:07,702 INFO L225 Difference]: With dead ends: 23371 [2022-10-16 15:01:07,703 INFO L226 Difference]: Without dead ends: 23370 [2022-10-16 15:01:07,712 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 15:01:07,713 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 516 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:07,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 455 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:01:07,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23370 states. [2022-10-16 15:01:08,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23370 to 23293. [2022-10-16 15:01:08,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23293 states, 23259 states have (on average 1.6630981555526894) internal successors, (38682), 23292 states have internal predecessors, (38682), 0 states have call successors, (0), 0 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 15:01:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23293 states to 23293 states and 38682 transitions. [2022-10-16 15:01:08,987 INFO L78 Accepts]: Start accepts. Automaton has 23293 states and 38682 transitions. Word has length 71 [2022-10-16 15:01:08,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:08,987 INFO L495 AbstractCegarLoop]: Abstraction has 23293 states and 38682 transitions. [2022-10-16 15:01:08,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 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 15:01:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 23293 states and 38682 transitions. [2022-10-16 15:01:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:01:08,989 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:08,989 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 15:01:08,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:01:08,990 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:08,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:08,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1952983942, now seen corresponding path program 1 times [2022-10-16 15:01:08,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:08,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117967951] [2022-10-16 15:01:08,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:08,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:09,084 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 15:01:09,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:09,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117967951] [2022-10-16 15:01:09,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117967951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:09,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:09,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:09,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929016924] [2022-10-16 15:01:09,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:09,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:09,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:09,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:09,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:09,087 INFO L87 Difference]: Start difference. First operand 23293 states and 38682 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 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 15:01:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:10,614 INFO L93 Difference]: Finished difference Result 61270 states and 102180 transitions. [2022-10-16 15:01:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:01:10,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 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 15:01:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:10,822 INFO L225 Difference]: With dead ends: 61270 [2022-10-16 15:01:10,822 INFO L226 Difference]: Without dead ends: 38056 [2022-10-16 15:01:10,864 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 15:01:10,865 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 526 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:10,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 733 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:01:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38056 states. [2022-10-16 15:01:12,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38056 to 32427. [2022-10-16 15:01:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32427 states, 32393 states have (on average 1.6542771586453864) internal successors, (53587), 32426 states have internal predecessors, (53587), 0 states have call successors, (0), 0 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 15:01:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32427 states to 32427 states and 53587 transitions. [2022-10-16 15:01:12,564 INFO L78 Accepts]: Start accepts. Automaton has 32427 states and 53587 transitions. Word has length 73 [2022-10-16 15:01:12,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:12,564 INFO L495 AbstractCegarLoop]: Abstraction has 32427 states and 53587 transitions. [2022-10-16 15:01:12,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 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 15:01:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32427 states and 53587 transitions. [2022-10-16 15:01:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:01:12,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:12,566 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 15:01:12,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:01:12,567 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash 412960647, now seen corresponding path program 1 times [2022-10-16 15:01:12,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:12,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336939578] [2022-10-16 15:01:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:12,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:12,799 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 15:01:12,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:12,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336939578] [2022-10-16 15:01:12,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336939578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:12,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:12,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:12,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115116074] [2022-10-16 15:01:12,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:12,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:12,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:12,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:12,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:12,804 INFO L87 Difference]: Start difference. First operand 32427 states and 53587 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 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 15:01:14,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:14,215 INFO L93 Difference]: Finished difference Result 47319 states and 78694 transitions. [2022-10-16 15:01:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:01:14,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 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 15:01:14,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:14,416 INFO L225 Difference]: With dead ends: 47319 [2022-10-16 15:01:14,416 INFO L226 Difference]: Without dead ends: 47318 [2022-10-16 15:01:14,428 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 15:01:14,429 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 518 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:14,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 454 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:01:14,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47318 states. [2022-10-16 15:01:16,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47318 to 47187. [2022-10-16 15:01:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47187 states, 47153 states have (on average 1.6555680444510423) internal successors, (78065), 47186 states have internal predecessors, (78065), 0 states have call successors, (0), 0 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 15:01:16,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47187 states to 47187 states and 78065 transitions. [2022-10-16 15:01:16,446 INFO L78 Accepts]: Start accepts. Automaton has 47187 states and 78065 transitions. Word has length 74 [2022-10-16 15:01:16,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:16,446 INFO L495 AbstractCegarLoop]: Abstraction has 47187 states and 78065 transitions. [2022-10-16 15:01:16,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 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 15:01:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 47187 states and 78065 transitions. [2022-10-16 15:01:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:01:16,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:16,447 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 15:01:16,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:01:16,448 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:16,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:16,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1718209481, now seen corresponding path program 1 times [2022-10-16 15:01:16,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:16,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218778078] [2022-10-16 15:01:16,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:16,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:16,550 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 15:01:16,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:16,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218778078] [2022-10-16 15:01:16,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218778078] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:16,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:16,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:16,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812462030] [2022-10-16 15:01:16,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:16,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:16,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:16,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:16,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:16,553 INFO L87 Difference]: Start difference. First operand 47187 states and 78065 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 15:01:20,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:20,555 INFO L93 Difference]: Finished difference Result 152151 states and 252631 transitions. [2022-10-16 15:01:20,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:01:20,555 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 15:01:20,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:20,781 INFO L225 Difference]: With dead ends: 152151 [2022-10-16 15:01:20,781 INFO L226 Difference]: Without dead ends: 105043 [2022-10-16 15:01:20,842 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 15:01:20,843 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 522 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:20,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 806 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:01:20,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105043 states. [2022-10-16 15:01:24,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105043 to 75889. [2022-10-16 15:01:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75889 states, 75855 states have (on average 1.645560609056753) internal successors, (124824), 75888 states have internal predecessors, (124824), 0 states have call successors, (0), 0 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 15:01:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75889 states to 75889 states and 124824 transitions. [2022-10-16 15:01:24,567 INFO L78 Accepts]: Start accepts. Automaton has 75889 states and 124824 transitions. Word has length 76 [2022-10-16 15:01:24,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:24,578 INFO L495 AbstractCegarLoop]: Abstraction has 75889 states and 124824 transitions. [2022-10-16 15:01:24,578 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 15:01:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 75889 states and 124824 transitions. [2022-10-16 15:01:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:01:24,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:24,579 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 15:01:24,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:01:24,580 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:24,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1724886955, now seen corresponding path program 1 times [2022-10-16 15:01:24,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:24,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348029035] [2022-10-16 15:01:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:24,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:24,667 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 15:01:24,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:24,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348029035] [2022-10-16 15:01:24,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348029035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:24,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:24,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:24,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809620987] [2022-10-16 15:01:24,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:24,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:24,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:24,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:24,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:24,670 INFO L87 Difference]: Start difference. First operand 75889 states and 124824 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 15:01:28,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:28,382 INFO L93 Difference]: Finished difference Result 108452 states and 178922 transitions. [2022-10-16 15:01:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:01:28,382 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 15:01:28,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:28,579 INFO L225 Difference]: With dead ends: 108452 [2022-10-16 15:01:28,579 INFO L226 Difference]: Without dead ends: 108451 [2022-10-16 15:01:28,741 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 15:01:28,742 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 515 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:28,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 496 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:01:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108451 states. [2022-10-16 15:01:32,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108451 to 108201. [2022-10-16 15:01:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108201 states, 108167 states have (on average 1.640712971608716) internal successors, (177471), 108200 states have internal predecessors, (177471), 0 states have call successors, (0), 0 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 15:01:33,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108201 states to 108201 states and 177471 transitions. [2022-10-16 15:01:33,424 INFO L78 Accepts]: Start accepts. Automaton has 108201 states and 177471 transitions. Word has length 77 [2022-10-16 15:01:33,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:33,424 INFO L495 AbstractCegarLoop]: Abstraction has 108201 states and 177471 transitions. [2022-10-16 15:01:33,424 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 15:01:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 108201 states and 177471 transitions. [2022-10-16 15:01:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 15:01:33,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:33,425 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, 1, 1, 1, 1] [2022-10-16 15:01:33,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:01:33,426 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:33,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:33,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1642343674, now seen corresponding path program 1 times [2022-10-16 15:01:33,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:33,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039468787] [2022-10-16 15:01:33,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:33,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:33,777 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 15:01:33,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:33,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039468787] [2022-10-16 15:01:33,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039468787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:33,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:33,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:33,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526507339] [2022-10-16 15:01:33,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:33,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:33,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:33,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:33,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:33,781 INFO L87 Difference]: Start difference. First operand 108201 states and 177471 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 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 15:01:41,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:01:41,484 INFO L93 Difference]: Finished difference Result 247161 states and 410003 transitions. [2022-10-16 15:01:41,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:01:41,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 15:01:41,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:01:42,002 INFO L225 Difference]: With dead ends: 247161 [2022-10-16 15:01:42,002 INFO L226 Difference]: Without dead ends: 247159 [2022-10-16 15:01:42,273 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 15:01:42,287 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 512 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:01:42,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 704 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:01:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247159 states. [2022-10-16 15:01:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247159 to 196145. [2022-10-16 15:01:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196145 states, 196111 states have (on average 1.6398570197490197) internal successors, (321594), 196144 states have internal predecessors, (321594), 0 states have call successors, (0), 0 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 15:01:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196145 states to 196145 states and 321594 transitions. [2022-10-16 15:01:51,621 INFO L78 Accepts]: Start accepts. Automaton has 196145 states and 321594 transitions. Word has length 87 [2022-10-16 15:01:51,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:01:51,622 INFO L495 AbstractCegarLoop]: Abstraction has 196145 states and 321594 transitions. [2022-10-16 15:01:51,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 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 15:01:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand 196145 states and 321594 transitions. [2022-10-16 15:01:51,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:01:51,623 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:01:51,623 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, 1, 1, 1, 1, 1] [2022-10-16 15:01:51,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:01:51,623 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:01:51,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:01:51,624 INFO L85 PathProgramCache]: Analyzing trace with hash -626953016, now seen corresponding path program 1 times [2022-10-16 15:01:51,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:01:51,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366466070] [2022-10-16 15:01:51,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:01:51,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:01:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:01:51,726 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 15:01:51,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:01:51,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366466070] [2022-10-16 15:01:51,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366466070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:01:51,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:01:51,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:01:51,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18087226] [2022-10-16 15:01:51,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:01:51,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:01:51,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:01:51,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:01:51,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:01:51,728 INFO L87 Difference]: Start difference. First operand 196145 states and 321594 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 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 15:02:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:00,407 INFO L93 Difference]: Finished difference Result 250461 states and 412938 transitions. [2022-10-16 15:02:00,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:02:00,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 15:02:00,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:00,914 INFO L225 Difference]: With dead ends: 250461 [2022-10-16 15:02:00,914 INFO L226 Difference]: Without dead ends: 250459 [2022-10-16 15:02:00,970 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 15:02:00,971 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 507 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:00,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 503 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:02:01,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250459 states. [2022-10-16 15:02:11,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250459 to 250429. [2022-10-16 15:02:11,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250429 states, 250395 states have (on average 1.6321212484274845) internal successors, (408675), 250428 states have internal predecessors, (408675), 0 states have call successors, (0), 0 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 15:02:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250429 states to 250429 states and 408675 transitions. [2022-10-16 15:02:13,180 INFO L78 Accepts]: Start accepts. Automaton has 250429 states and 408675 transitions. Word has length 88 [2022-10-16 15:02:13,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:13,181 INFO L495 AbstractCegarLoop]: Abstraction has 250429 states and 408675 transitions. [2022-10-16 15:02:13,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 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 15:02:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 250429 states and 408675 transitions. [2022-10-16 15:02:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:02:13,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:13,183 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, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:13,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:02:13,183 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:13,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:13,184 INFO L85 PathProgramCache]: Analyzing trace with hash -412474709, now seen corresponding path program 1 times [2022-10-16 15:02:13,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:13,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350645042] [2022-10-16 15:02:13,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:13,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:13,473 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 15:02:13,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:13,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350645042] [2022-10-16 15:02:13,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350645042] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:13,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:13,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:02:13,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092918480] [2022-10-16 15:02:13,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:13,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:02:13,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:13,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:02:13,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:13,478 INFO L87 Difference]: Start difference. First operand 250429 states and 408675 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 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 15:02:24,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:24,433 INFO L93 Difference]: Finished difference Result 500807 states and 817245 transitions. [2022-10-16 15:02:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:02:24,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-16 15:02:24,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:25,202 INFO L225 Difference]: With dead ends: 500807 [2022-10-16 15:02:25,203 INFO L226 Difference]: Without dead ends: 250457 [2022-10-16 15:02:25,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:02:25,405 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 233 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:25,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 818 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:02:25,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250457 states. [2022-10-16 15:02:36,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250457 to 250429. [2022-10-16 15:02:36,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250429 states, 250395 states have (on average 1.627284889873999) internal successors, (407464), 250428 states have internal predecessors, (407464), 0 states have call successors, (0), 0 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 15:02:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250429 states to 250429 states and 407464 transitions. [2022-10-16 15:02:37,837 INFO L78 Accepts]: Start accepts. Automaton has 250429 states and 407464 transitions. Word has length 89 [2022-10-16 15:02:37,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:37,838 INFO L495 AbstractCegarLoop]: Abstraction has 250429 states and 407464 transitions. [2022-10-16 15:02:37,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 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 15:02:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 250429 states and 407464 transitions. [2022-10-16 15:02:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:02:37,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:37,839 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, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:37,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:02:37,839 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:37,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:37,840 INFO L85 PathProgramCache]: Analyzing trace with hash 2039293628, now seen corresponding path program 1 times [2022-10-16 15:02:37,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:37,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050778069] [2022-10-16 15:02:37,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:37,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:37,950 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 15:02:37,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:37,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050778069] [2022-10-16 15:02:37,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050778069] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:37,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:37,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:02:37,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139091616] [2022-10-16 15:02:37,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:37,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:02:37,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:37,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:02:37,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:37,953 INFO L87 Difference]: Start difference. First operand 250429 states and 407464 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 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 15:03:04,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:04,640 INFO L93 Difference]: Finished difference Result 799605 states and 1308178 transitions. [2022-10-16 15:03:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:03:04,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-16 15:03:04,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:06,227 INFO L225 Difference]: With dead ends: 799605 [2022-10-16 15:03:06,227 INFO L226 Difference]: Without dead ends: 563055 [2022-10-16 15:03:06,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:03:06,513 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1168 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:06,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1384 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:03:07,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563055 states. [2022-10-16 15:03:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563055 to 461009. [2022-10-16 15:03:30,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461009 states, 460975 states have (on average 1.611386734638538) internal successors, (742809), 461008 states have internal predecessors, (742809), 0 states have call successors, (0), 0 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 15:03:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461009 states to 461009 states and 742809 transitions. [2022-10-16 15:03:32,651 INFO L78 Accepts]: Start accepts. Automaton has 461009 states and 742809 transitions. Word has length 89 [2022-10-16 15:03:32,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:32,652 INFO L495 AbstractCegarLoop]: Abstraction has 461009 states and 742809 transitions. [2022-10-16 15:03:32,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 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 15:03:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 461009 states and 742809 transitions. [2022-10-16 15:03:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:03:32,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:32,653 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:32,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:03:32,653 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:03:32,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1206406326, now seen corresponding path program 1 times [2022-10-16 15:03:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:32,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623004817] [2022-10-16 15:03:32,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:32,763 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 15:03:32,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:32,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623004817] [2022-10-16 15:03:32,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623004817] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:32,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:32,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:03:32,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740788189] [2022-10-16 15:03:32,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:32,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:03:32,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:32,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:03:32,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:32,766 INFO L87 Difference]: Start difference. First operand 461009 states and 742809 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 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 15:03:57,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:57,090 INFO L93 Difference]: Finished difference Result 613747 states and 994448 transitions. [2022-10-16 15:03:57,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:03:57,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-16 15:03:57,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:58,986 INFO L225 Difference]: With dead ends: 613747 [2022-10-16 15:03:58,986 INFO L226 Difference]: Without dead ends: 613745 [2022-10-16 15:03:59,231 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 15:03:59,239 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 1105 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:59,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 889 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:03:59,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613745 states.