/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:10:59,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:10:59,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:10:59,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:10:59,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:10:59,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:10:59,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:10:59,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:10:59,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:10:59,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:10:59,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:10:59,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:10:59,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:10:59,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:10:59,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:10:59,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:10:59,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:10:59,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:10:59,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:10:59,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:10:59,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:10:59,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:10:59,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:10:59,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:10:59,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:10:59,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:10:59,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:10:59,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:10:59,702 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 [2022-10-15 22:10:59,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:10:59,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:10:59,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:10:59,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:10:59,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:10:59,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:10:59,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:10:59,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:10:59,754 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:10:59,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:10:59,755 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:10:59,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:10:59,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:10:59,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:10:59,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:10:59,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:10:59,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:10:59,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:10:59,757 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:10:59,757 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:10:59,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:10:59,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:10:59,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:10:59,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:10:59,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:10:59,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:10:59,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:10:59,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:10:59,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:10:59,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:10:59,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:10:59,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:10:59,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:10:59,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:11:00,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:11:00,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:11:00,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:11:00,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:11:00,231 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:11:00,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:11:00,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde389a4b/790643969ff546fdbcc1f761ed4ba951/FLAG6b71a505c [2022-10-15 22:11:00,962 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:11:00,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:11:00,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde389a4b/790643969ff546fdbcc1f761ed4ba951/FLAG6b71a505c [2022-10-15 22:11:01,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde389a4b/790643969ff546fdbcc1f761ed4ba951 [2022-10-15 22:11:01,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:11:01,306 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:11:01,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:11:01,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:11:01,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:11:01,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:01,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5357a9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01, skipping insertion in model container [2022-10-15 22:11:01,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:01,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:11:01,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:11:01,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5377,5390] [2022-10-15 22:11:01,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:11:01,680 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:11:01,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5377,5390] [2022-10-15 22:11:01,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:11:01,856 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:11:01,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01 WrapperNode [2022-10-15 22:11:01,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:11:01,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:11:01,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:11:01,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:11:01,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:01,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:01,987 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 443 [2022-10-15 22:11:01,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:11:01,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:11:01,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:11:01,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:11:02,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,030 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:11:02,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:11:02,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:11:02,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:11:02,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (1/1) ... [2022-10-15 22:11:02,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:11:02,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:11:02,115 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) [2022-10-15 22:11:02,138 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 [2022-10-15 22:11:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:11:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:11:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:11:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:11:02,387 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:11:02,391 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:11:03,191 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:11:03,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:11:03,223 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:11:03,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:11:03 BoogieIcfgContainer [2022-10-15 22:11:03,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:11:03,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:11:03,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:11:03,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:11:03,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:11:01" (1/3) ... [2022-10-15 22:11:03,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b948940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:11:03, skipping insertion in model container [2022-10-15 22:11:03,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:11:01" (2/3) ... [2022-10-15 22:11:03,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b948940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:11:03, skipping insertion in model container [2022-10-15 22:11:03,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:11:03" (3/3) ... [2022-10-15 22:11:03,237 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:11:03,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:11:03,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-15 22:11:03,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:11:03,339 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;@649619b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:11:03,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-15 22:11:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 128 states have (on average 1.734375) internal successors, (222), 148 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:11:03,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:03,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:11:03,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:03,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:11:03,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:03,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051243421] [2022-10-15 22:11:03,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:03,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:03,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:03,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051243421] [2022-10-15 22:11:03,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051243421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:03,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:03,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:11:03,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792203052] [2022-10-15 22:11:03,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:03,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:11:03,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:03,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:11:03,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:11:03,688 INFO L87 Difference]: Start difference. First operand has 149 states, 128 states have (on average 1.734375) internal successors, (222), 148 states have internal predecessors, (222), 0 states have call successors, (0), 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, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:03,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:03,720 INFO L93 Difference]: Finished difference Result 152 states and 224 transitions. [2022-10-15 22:11:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:11:03,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-15 22:11:03,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:03,735 INFO L225 Difference]: With dead ends: 152 [2022-10-15 22:11:03,735 INFO L226 Difference]: Without dead ends: 138 [2022-10-15 22:11:03,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:11:03,743 INFO L413 NwaCegarLoop]: 213 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, 213 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 [2022-10-15 22:11:03,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:03,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-10-15 22:11:03,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-10-15 22:11:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 126 states have (on average 1.4761904761904763) internal successors, (186), 137 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:03,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 186 transitions. [2022-10-15 22:11:03,797 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 186 transitions. Word has length 4 [2022-10-15 22:11:03,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:03,797 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 186 transitions. [2022-10-15 22:11:03,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:03,798 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 186 transitions. [2022-10-15 22:11:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:11:03,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:03,801 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] [2022-10-15 22:11:03,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:11:03,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:03,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1516480365, now seen corresponding path program 1 times [2022-10-15 22:11:03,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:03,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111770189] [2022-10-15 22:11:03,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:03,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:04,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:04,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111770189] [2022-10-15 22:11:04,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111770189] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:04,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:04,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:04,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96918880] [2022-10-15 22:11:04,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:04,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:04,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:04,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:04,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:04,083 INFO L87 Difference]: Start difference. First operand 138 states and 186 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) [2022-10-15 22:11:04,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:04,160 INFO L93 Difference]: Finished difference Result 332 states and 466 transitions. [2022-10-15 22:11:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:04,161 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 [2022-10-15 22:11:04,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:04,167 INFO L225 Difference]: With dead ends: 332 [2022-10-15 22:11:04,167 INFO L226 Difference]: Without dead ends: 227 [2022-10-15 22:11:04,168 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 [2022-10-15 22:11:04,173 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 136 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 424 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 [2022-10-15 22:11:04,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 424 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:04,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-10-15 22:11:04,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 215. [2022-10-15 22:11:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 203 states have (on average 1.5369458128078817) internal successors, (312), 214 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 312 transitions. [2022-10-15 22:11:04,206 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 312 transitions. Word has length 52 [2022-10-15 22:11:04,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:04,207 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 312 transitions. [2022-10-15 22:11:04,207 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) [2022-10-15 22:11:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 312 transitions. [2022-10-15 22:11:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:11:04,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:04,210 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] [2022-10-15 22:11:04,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:11:04,210 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:04,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:04,211 INFO L85 PathProgramCache]: Analyzing trace with hash 905899440, now seen corresponding path program 1 times [2022-10-15 22:11:04,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:04,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996620358] [2022-10-15 22:11:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:04,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:04,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:04,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996620358] [2022-10-15 22:11:04,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996620358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:04,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:04,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:04,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440274146] [2022-10-15 22:11:04,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:04,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:04,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:04,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:04,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:04,431 INFO L87 Difference]: Start difference. First operand 215 states and 312 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:04,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:04,561 INFO L93 Difference]: Finished difference Result 547 states and 818 transitions. [2022-10-15 22:11:04,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:04,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-15 22:11:04,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:04,568 INFO L225 Difference]: With dead ends: 547 [2022-10-15 22:11:04,569 INFO L226 Difference]: Without dead ends: 365 [2022-10-15 22:11:04,573 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 [2022-10-15 22:11:04,579 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 131 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 409 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 [2022-10-15 22:11:04,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 409 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-10-15 22:11:04,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 353. [2022-10-15 22:11:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 341 states have (on average 1.5747800586510263) internal successors, (537), 352 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 537 transitions. [2022-10-15 22:11:04,664 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 537 transitions. Word has length 53 [2022-10-15 22:11:04,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:04,665 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 537 transitions. [2022-10-15 22:11:04,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 537 transitions. [2022-10-15 22:11:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:11:04,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:04,675 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] [2022-10-15 22:11:04,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:11:04,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:04,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:04,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2112901666, now seen corresponding path program 1 times [2022-10-15 22:11:04,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:04,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216927572] [2022-10-15 22:11:04,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:04,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:04,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:04,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216927572] [2022-10-15 22:11:04,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216927572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:04,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:04,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:04,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805866234] [2022-10-15 22:11:04,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:04,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:04,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:04,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:04,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:04,863 INFO L87 Difference]: Start difference. First operand 353 states and 537 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) [2022-10-15 22:11:04,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:04,956 INFO L93 Difference]: Finished difference Result 929 states and 1441 transitions. [2022-10-15 22:11:04,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:04,957 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 [2022-10-15 22:11:04,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:04,962 INFO L225 Difference]: With dead ends: 929 [2022-10-15 22:11:04,963 INFO L226 Difference]: Without dead ends: 609 [2022-10-15 22:11:04,964 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 [2022-10-15 22:11:04,966 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 126 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 394 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 [2022-10-15 22:11:04,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 394 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:04,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2022-10-15 22:11:05,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 597. [2022-10-15 22:11:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 585 states have (on average 1.594871794871795) internal successors, (933), 596 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 933 transitions. [2022-10-15 22:11:05,038 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 933 transitions. Word has length 54 [2022-10-15 22:11:05,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:05,038 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 933 transitions. [2022-10-15 22:11:05,039 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) [2022-10-15 22:11:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 933 transitions. [2022-10-15 22:11:05,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:11:05,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:05,040 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] [2022-10-15 22:11:05,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:11:05,041 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:05,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:05,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1133907019, now seen corresponding path program 1 times [2022-10-15 22:11:05,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:05,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491741499] [2022-10-15 22:11:05,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:05,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:05,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:05,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491741499] [2022-10-15 22:11:05,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491741499] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:05,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:05,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:05,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638472932] [2022-10-15 22:11:05,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:05,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:05,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:05,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:05,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:05,156 INFO L87 Difference]: Start difference. First operand 597 states and 933 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:05,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:05,457 INFO L93 Difference]: Finished difference Result 1723 states and 2733 transitions. [2022-10-15 22:11:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:11:05,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-15 22:11:05,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:05,469 INFO L225 Difference]: With dead ends: 1723 [2022-10-15 22:11:05,469 INFO L226 Difference]: Without dead ends: 1721 [2022-10-15 22:11:05,470 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 [2022-10-15 22:11:05,472 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 448 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:05,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 530 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:05,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-10-15 22:11:05,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1149. [2022-10-15 22:11:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1137 states have (on average 1.5980650835532102) internal successors, (1817), 1148 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1817 transitions. [2022-10-15 22:11:05,601 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1817 transitions. Word has length 55 [2022-10-15 22:11:05,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:05,602 INFO L495 AbstractCegarLoop]: Abstraction has 1149 states and 1817 transitions. [2022-10-15 22:11:05,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1817 transitions. [2022-10-15 22:11:05,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:11:05,604 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:05,604 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] [2022-10-15 22:11:05,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:11:05,605 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:05,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:05,605 INFO L85 PathProgramCache]: Analyzing trace with hash -791379024, now seen corresponding path program 1 times [2022-10-15 22:11:05,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:05,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586199963] [2022-10-15 22:11:05,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:05,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:05,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:05,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586199963] [2022-10-15 22:11:05,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586199963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:05,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:05,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:05,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036993286] [2022-10-15 22:11:05,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:05,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:05,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:05,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:05,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:05,733 INFO L87 Difference]: Start difference. First operand 1149 states and 1817 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:06,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:06,029 INFO L93 Difference]: Finished difference Result 1711 states and 2717 transitions. [2022-10-15 22:11:06,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:06,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2022-10-15 22:11:06,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:06,040 INFO L225 Difference]: With dead ends: 1711 [2022-10-15 22:11:06,040 INFO L226 Difference]: Without dead ends: 1709 [2022-10-15 22:11:06,042 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 [2022-10-15 22:11:06,043 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 443 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:06,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 302 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:06,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2022-10-15 22:11:06,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1701. [2022-10-15 22:11:06,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1689 states have (on average 1.5896980461811723) internal successors, (2685), 1700 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2685 transitions. [2022-10-15 22:11:06,265 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2685 transitions. Word has length 56 [2022-10-15 22:11:06,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:06,266 INFO L495 AbstractCegarLoop]: Abstraction has 1701 states and 2685 transitions. [2022-10-15 22:11:06,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2685 transitions. [2022-10-15 22:11:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:11:06,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:06,268 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] [2022-10-15 22:11:06,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:11:06,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:06,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:06,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1237054231, now seen corresponding path program 1 times [2022-10-15 22:11:06,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:06,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641033162] [2022-10-15 22:11:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:06,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:06,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:06,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641033162] [2022-10-15 22:11:06,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641033162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:06,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:06,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:06,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443892452] [2022-10-15 22:11:06,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:06,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:06,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:06,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:06,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:06,406 INFO L87 Difference]: Start difference. First operand 1701 states and 2685 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:06,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:06,908 INFO L93 Difference]: Finished difference Result 2829 states and 4437 transitions. [2022-10-15 22:11:06,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:11:06,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-15 22:11:06,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:06,927 INFO L225 Difference]: With dead ends: 2829 [2022-10-15 22:11:06,927 INFO L226 Difference]: Without dead ends: 2827 [2022-10-15 22:11:06,929 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 [2022-10-15 22:11:06,931 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 860 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:06,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 801 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:06,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2022-10-15 22:11:07,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2253. [2022-10-15 22:11:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.5783132530120483) internal successors, (3537), 2252 states have internal predecessors, (3537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3537 transitions. [2022-10-15 22:11:07,201 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3537 transitions. Word has length 57 [2022-10-15 22:11:07,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:07,202 INFO L495 AbstractCegarLoop]: Abstraction has 2253 states and 3537 transitions. [2022-10-15 22:11:07,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3537 transitions. [2022-10-15 22:11:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:11:07,203 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:07,203 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] [2022-10-15 22:11:07,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:11:07,204 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash -306024302, now seen corresponding path program 1 times [2022-10-15 22:11:07,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:07,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140404809] [2022-10-15 22:11:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:07,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:07,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:07,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:07,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140404809] [2022-10-15 22:11:07,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140404809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:07,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:07,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:11:07,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955876345] [2022-10-15 22:11:07,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:07,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:11:07,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:07,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:11:07,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:11:07,320 INFO L87 Difference]: Start difference. First operand 2253 states and 3537 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 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) [2022-10-15 22:11:07,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:07,837 INFO L93 Difference]: Finished difference Result 2821 states and 4421 transitions. [2022-10-15 22:11:07,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:11:07,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 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 [2022-10-15 22:11:07,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:07,855 INFO L225 Difference]: With dead ends: 2821 [2022-10-15 22:11:07,855 INFO L226 Difference]: Without dead ends: 2819 [2022-10-15 22:11:07,857 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 [2022-10-15 22:11:07,858 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 761 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:07,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 541 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:07,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2022-10-15 22:11:08,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2805. [2022-10-15 22:11:08,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2805 states, 2793 states have (on average 1.5656999641962048) internal successors, (4373), 2804 states have internal predecessors, (4373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 4373 transitions. [2022-10-15 22:11:08,183 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 4373 transitions. Word has length 58 [2022-10-15 22:11:08,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:08,183 INFO L495 AbstractCegarLoop]: Abstraction has 2805 states and 4373 transitions. [2022-10-15 22:11:08,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 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) [2022-10-15 22:11:08,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 4373 transitions. [2022-10-15 22:11:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:11:08,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:08,185 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] [2022-10-15 22:11:08,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:11:08,185 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:08,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:08,186 INFO L85 PathProgramCache]: Analyzing trace with hash -896818567, now seen corresponding path program 1 times [2022-10-15 22:11:08,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:08,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367388462] [2022-10-15 22:11:08,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:08,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:08,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:08,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367388462] [2022-10-15 22:11:08,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367388462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:08,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:08,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:08,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566076781] [2022-10-15 22:11:08,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:08,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:08,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:08,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:08,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:08,336 INFO L87 Difference]: Start difference. First operand 2805 states and 4373 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:09,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:09,088 INFO L93 Difference]: Finished difference Result 7253 states and 11301 transitions. [2022-10-15 22:11:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:11:09,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 22:11:09,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:09,114 INFO L225 Difference]: With dead ends: 7253 [2022-10-15 22:11:09,114 INFO L226 Difference]: Without dead ends: 4481 [2022-10-15 22:11:09,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:11:09,124 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 1325 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:09,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 1104 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:09,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2022-10-15 22:11:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 3357. [2022-10-15 22:11:09,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3357 states, 3345 states have (on average 1.5476831091180867) internal successors, (5177), 3356 states have internal predecessors, (5177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 5177 transitions. [2022-10-15 22:11:09,504 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 5177 transitions. Word has length 59 [2022-10-15 22:11:09,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:09,505 INFO L495 AbstractCegarLoop]: Abstraction has 3357 states and 5177 transitions. [2022-10-15 22:11:09,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:09,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 5177 transitions. [2022-10-15 22:11:09,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:11:09,506 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:09,506 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] [2022-10-15 22:11:09,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:11:09,507 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:09,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:09,507 INFO L85 PathProgramCache]: Analyzing trace with hash 993872455, now seen corresponding path program 1 times [2022-10-15 22:11:09,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:09,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646535906] [2022-10-15 22:11:09,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:09,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:09,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:09,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646535906] [2022-10-15 22:11:09,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646535906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:09,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:09,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:09,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108427875] [2022-10-15 22:11:09,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:09,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:09,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:09,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:09,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:09,569 INFO L87 Difference]: Start difference. First operand 3357 states and 5177 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) [2022-10-15 22:11:10,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:10,204 INFO L93 Difference]: Finished difference Result 9093 states and 14025 transitions. [2022-10-15 22:11:10,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:10,205 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 [2022-10-15 22:11:10,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:10,241 INFO L225 Difference]: With dead ends: 9093 [2022-10-15 22:11:10,241 INFO L226 Difference]: Without dead ends: 5769 [2022-10-15 22:11:10,249 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 [2022-10-15 22:11:10,250 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 137 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 447 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 [2022-10-15 22:11:10,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 447 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:10,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5769 states. [2022-10-15 22:11:10,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5769 to 5757. [2022-10-15 22:11:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5757 states, 5745 states have (on average 1.5375108790252394) internal successors, (8833), 5756 states have internal predecessors, (8833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:10,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5757 states to 5757 states and 8833 transitions. [2022-10-15 22:11:10,947 INFO L78 Accepts]: Start accepts. Automaton has 5757 states and 8833 transitions. Word has length 60 [2022-10-15 22:11:10,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:10,948 INFO L495 AbstractCegarLoop]: Abstraction has 5757 states and 8833 transitions. [2022-10-15 22:11:10,948 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) [2022-10-15 22:11:10,948 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 8833 transitions. [2022-10-15 22:11:10,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:11:10,949 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:10,949 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] [2022-10-15 22:11:10,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:11:10,950 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:10,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:10,951 INFO L85 PathProgramCache]: Analyzing trace with hash -2031571596, now seen corresponding path program 1 times [2022-10-15 22:11:10,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:10,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663636493] [2022-10-15 22:11:10,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:10,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:11,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:11,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663636493] [2022-10-15 22:11:11,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663636493] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:11,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:11,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:11:11,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358156369] [2022-10-15 22:11:11,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:11,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:11:11,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:11,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:11:11,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:11:11,112 INFO L87 Difference]: Start difference. First operand 5757 states and 8833 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 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) [2022-10-15 22:11:12,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:12,404 INFO L93 Difference]: Finished difference Result 9595 states and 14849 transitions. [2022-10-15 22:11:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:11:12,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 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 [2022-10-15 22:11:12,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:12,450 INFO L225 Difference]: With dead ends: 9595 [2022-10-15 22:11:12,450 INFO L226 Difference]: Without dead ends: 9593 [2022-10-15 22:11:12,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:11:12,457 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1704 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:12,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 822 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:11:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9593 states. [2022-10-15 22:11:13,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9593 to 9565. [2022-10-15 22:11:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9565 states, 9553 states have (on average 1.534282424369308) internal successors, (14657), 9564 states have internal predecessors, (14657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9565 states to 9565 states and 14657 transitions. [2022-10-15 22:11:13,614 INFO L78 Accepts]: Start accepts. Automaton has 9565 states and 14657 transitions. Word has length 60 [2022-10-15 22:11:13,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:13,615 INFO L495 AbstractCegarLoop]: Abstraction has 9565 states and 14657 transitions. [2022-10-15 22:11:13,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 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) [2022-10-15 22:11:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 9565 states and 14657 transitions. [2022-10-15 22:11:13,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:11:13,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:13,618 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:13,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:11:13,619 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:13,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:13,619 INFO L85 PathProgramCache]: Analyzing trace with hash 498399468, now seen corresponding path program 1 times [2022-10-15 22:11:13,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:13,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953721427] [2022-10-15 22:11:13,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:13,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:13,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:13,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953721427] [2022-10-15 22:11:13,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953721427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:13,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:13,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:13,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521999671] [2022-10-15 22:11:13,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:13,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:13,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:13,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:13,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:13,716 INFO L87 Difference]: Start difference. First operand 9565 states and 14657 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:15,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:15,261 INFO L93 Difference]: Finished difference Result 27749 states and 42465 transitions. [2022-10-15 22:11:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:15,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-15 22:11:15,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:15,325 INFO L225 Difference]: With dead ends: 27749 [2022-10-15 22:11:15,325 INFO L226 Difference]: Without dead ends: 18217 [2022-10-15 22:11:15,344 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 [2022-10-15 22:11:15,345 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 109 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:15,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 381 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:15,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18217 states. [2022-10-15 22:11:16,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18217 to 18205. [2022-10-15 22:11:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18205 states, 18193 states have (on average 1.5215192656516243) internal successors, (27681), 18204 states have internal predecessors, (27681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:16,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18205 states to 18205 states and 27681 transitions. [2022-10-15 22:11:16,853 INFO L78 Accepts]: Start accepts. Automaton has 18205 states and 27681 transitions. Word has length 86 [2022-10-15 22:11:16,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:16,853 INFO L495 AbstractCegarLoop]: Abstraction has 18205 states and 27681 transitions. [2022-10-15 22:11:16,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 18205 states and 27681 transitions. [2022-10-15 22:11:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:11:16,858 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:16,858 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:16,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:11:16,859 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:16,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1536737219, now seen corresponding path program 1 times [2022-10-15 22:11:16,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:16,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702896693] [2022-10-15 22:11:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:16,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:11:17,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:17,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702896693] [2022-10-15 22:11:17,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702896693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:17,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:17,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:17,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851654643] [2022-10-15 22:11:17,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:17,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:17,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:17,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:17,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:17,003 INFO L87 Difference]: Start difference. First operand 18205 states and 27681 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:19,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:19,331 INFO L93 Difference]: Finished difference Result 25485 states and 38945 transitions. [2022-10-15 22:11:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:11:19,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-15 22:11:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:19,399 INFO L225 Difference]: With dead ends: 25485 [2022-10-15 22:11:19,399 INFO L226 Difference]: Without dead ends: 25483 [2022-10-15 22:11:19,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:19,410 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 248 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:19,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 563 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:11:19,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25483 states. [2022-10-15 22:11:21,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25483 to 21837. [2022-10-15 22:11:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21837 states, 21825 states have (on average 1.5234364261168385) internal successors, (33249), 21836 states have internal predecessors, (33249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21837 states to 21837 states and 33249 transitions. [2022-10-15 22:11:21,404 INFO L78 Accepts]: Start accepts. Automaton has 21837 states and 33249 transitions. Word has length 88 [2022-10-15 22:11:21,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:21,405 INFO L495 AbstractCegarLoop]: Abstraction has 21837 states and 33249 transitions. [2022-10-15 22:11:21,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 21837 states and 33249 transitions. [2022-10-15 22:11:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:11:21,410 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:21,410 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:21,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:11:21,411 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:21,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:21,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1556322382, now seen corresponding path program 1 times [2022-10-15 22:11:21,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:21,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368981170] [2022-10-15 22:11:21,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:21,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:11:21,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:21,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368981170] [2022-10-15 22:11:21,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368981170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:21,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:21,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:21,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924748368] [2022-10-15 22:11:21,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:21,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:21,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:21,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:21,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:21,536 INFO L87 Difference]: Start difference. First operand 21837 states and 33249 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2022-10-15 22:11:23,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:23,874 INFO L93 Difference]: Finished difference Result 48855 states and 74195 transitions. [2022-10-15 22:11:23,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:23,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 88 [2022-10-15 22:11:23,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:23,949 INFO L225 Difference]: With dead ends: 48855 [2022-10-15 22:11:23,949 INFO L226 Difference]: Without dead ends: 27051 [2022-10-15 22:11:23,983 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 [2022-10-15 22:11:23,984 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 93 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:23,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 331 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:24,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27051 states. [2022-10-15 22:11:26,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27051 to 26855. [2022-10-15 22:11:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26855 states, 26843 states have (on average 1.512312334686883) internal successors, (40595), 26854 states have internal predecessors, (40595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26855 states to 26855 states and 40595 transitions. [2022-10-15 22:11:26,883 INFO L78 Accepts]: Start accepts. Automaton has 26855 states and 40595 transitions. Word has length 88 [2022-10-15 22:11:26,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:26,883 INFO L495 AbstractCegarLoop]: Abstraction has 26855 states and 40595 transitions. [2022-10-15 22:11:26,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2022-10-15 22:11:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 26855 states and 40595 transitions. [2022-10-15 22:11:26,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:11:26,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:26,888 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:26,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:11:26,889 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:26,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:26,889 INFO L85 PathProgramCache]: Analyzing trace with hash -543723498, now seen corresponding path program 1 times [2022-10-15 22:11:26,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:26,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919014423] [2022-10-15 22:11:26,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:26,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:26,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:26,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919014423] [2022-10-15 22:11:26,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919014423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:26,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:26,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:26,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645804703] [2022-10-15 22:11:26,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:26,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:26,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:26,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:26,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:26,967 INFO L87 Difference]: Start difference. First operand 26855 states and 40595 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2022-10-15 22:11:31,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:31,262 INFO L93 Difference]: Finished difference Result 77519 states and 116915 transitions. [2022-10-15 22:11:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:31,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 [2022-10-15 22:11:31,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:31,355 INFO L225 Difference]: With dead ends: 77519 [2022-10-15 22:11:31,355 INFO L226 Difference]: Without dead ends: 50699 [2022-10-15 22:11:31,401 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 [2022-10-15 22:11:31,402 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 106 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:31,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 363 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:31,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50699 states. [2022-10-15 22:11:36,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50699 to 50687. [2022-10-15 22:11:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50687 states, 50675 states have (on average 1.4972866304884065) internal successors, (75875), 50686 states have internal predecessors, (75875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50687 states to 50687 states and 75875 transitions. [2022-10-15 22:11:36,345 INFO L78 Accepts]: Start accepts. Automaton has 50687 states and 75875 transitions. Word has length 88 [2022-10-15 22:11:36,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:36,345 INFO L495 AbstractCegarLoop]: Abstraction has 50687 states and 75875 transitions. [2022-10-15 22:11:36,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2022-10-15 22:11:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 50687 states and 75875 transitions. [2022-10-15 22:11:36,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:11:36,352 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:36,352 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:36,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:11:36,352 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:36,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:36,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1150544483, now seen corresponding path program 1 times [2022-10-15 22:11:36,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:36,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465309456] [2022-10-15 22:11:36,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:36,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:11:36,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:36,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465309456] [2022-10-15 22:11:36,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465309456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:36,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:36,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:36,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680490295] [2022-10-15 22:11:36,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:36,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:11:36,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:36,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:11:36,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:11:36,428 INFO L87 Difference]: Start difference. First operand 50687 states and 75875 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2022-10-15 22:11:45,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:11:45,694 INFO L93 Difference]: Finished difference Result 146711 states and 218915 transitions. [2022-10-15 22:11:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:11:45,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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 [2022-10-15 22:11:45,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:11:45,912 INFO L225 Difference]: With dead ends: 146711 [2022-10-15 22:11:45,913 INFO L226 Difference]: Without dead ends: 96059 [2022-10-15 22:11:45,986 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 [2022-10-15 22:11:45,987 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 110 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:11:45,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 396 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:11:46,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96059 states. [2022-10-15 22:11:55,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96059 to 96047. [2022-10-15 22:11:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96047 states, 96035 states have (on average 1.4798250637788306) internal successors, (142115), 96046 states have internal predecessors, (142115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:11:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96047 states to 96047 states and 142115 transitions. [2022-10-15 22:11:55,394 INFO L78 Accepts]: Start accepts. Automaton has 96047 states and 142115 transitions. Word has length 88 [2022-10-15 22:11:55,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:11:55,395 INFO L495 AbstractCegarLoop]: Abstraction has 96047 states and 142115 transitions. [2022-10-15 22:11:55,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2022-10-15 22:11:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 96047 states and 142115 transitions. [2022-10-15 22:11:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 22:11:55,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:11:55,406 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:11:55,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:11:55,406 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-15 22:11:55,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:11:55,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1677022465, now seen corresponding path program 1 times [2022-10-15 22:11:55,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:11:55,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124607451] [2022-10-15 22:11:55,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:11:55,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:11:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:11:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 22:11:55,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:11:55,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124607451] [2022-10-15 22:11:55,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124607451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:11:55,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:11:55,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:11:55,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978657532] [2022-10-15 22:11:55,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:11:55,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:11:55,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:11:55,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:11:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:11:55,534 INFO L87 Difference]: Start difference. First operand 96047 states and 142115 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 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)