/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.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:17:20,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:17:20,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:17:20,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:17:20,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:17:20,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:17:20,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:17:20,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:17:20,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:17:20,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:17:20,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:17:20,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:17:20,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:17:20,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:17:20,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:17:20,761 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 22:17:20,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:17:20,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:17:20,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:17:20,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:17:20,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:17:20,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:17:20,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:17:20,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:17:20,797 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:17:20,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:17:20,798 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:17:20,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:17:20,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:17:20,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:17:20,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:17:20,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:17:20,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:17:20,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:17:20,799 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:17:20,800 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:17:20,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:17:20,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:17:20,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:17:20,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:17:20,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:17:20,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:17:20,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:20,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:17:20,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:17:20,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:17:20,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:17:20,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:17:20,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:17:20,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:17:21,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:17:21,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:17:21,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:17:21,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:17:21,262 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:17:21,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:17:21,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28688fd2/774395b985164f0c82e8013ef46d5123/FLAG4ee092031 [2022-10-15 22:17:22,069 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:17:22,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:17:22,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28688fd2/774395b985164f0c82e8013ef46d5123/FLAG4ee092031 [2022-10-15 22:17:22,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28688fd2/774395b985164f0c82e8013ef46d5123 [2022-10-15 22:17:22,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:17:22,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:17:22,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:22,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:17:22,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:17:22,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:22" (1/1) ... [2022-10-15 22:17:22,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e621389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:22, skipping insertion in model container [2022-10-15 22:17:22,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:22" (1/1) ... [2022-10-15 22:17:22,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:17:22,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:17:22,883 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.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7836,7849] [2022-10-15 22:17:22,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:22,941 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:17:23,021 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.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7836,7849] [2022-10-15 22:17:23,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:23,118 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:17:23,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23 WrapperNode [2022-10-15 22:17:23,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:23,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:23,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:17:23,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:17:23,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,231 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 662 [2022-10-15 22:17:23,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:23,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:17:23,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:17:23,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:17:23,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:17:23,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:17:23,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:17:23,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:17:23,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (1/1) ... [2022-10-15 22:17:23,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:23,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:17:23,360 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 22:17:23,376 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 22:17:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:17:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:17:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:17:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:17:23,562 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:17:23,565 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:17:24,543 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:17:24,561 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:17:24,562 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:17:24,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:24 BoogieIcfgContainer [2022-10-15 22:17:24,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:17:24,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:17:24,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:17:24,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:17:24,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:17:22" (1/3) ... [2022-10-15 22:17:24,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60da7703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:24, skipping insertion in model container [2022-10-15 22:17:24,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:23" (2/3) ... [2022-10-15 22:17:24,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60da7703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:24, skipping insertion in model container [2022-10-15 22:17:24,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:24" (3/3) ... [2022-10-15 22:17:24,579 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:17:24,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:17:24,604 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-10-15 22:17:24,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:17:24,710 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;@647db5d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:17:24,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-10-15 22:17:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 234 states, 189 states have (on average 1.8148148148148149) internal successors, (343), 233 states have internal predecessors, (343), 0 states have call successors, (0), 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 22:17:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:17:24,731 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:24,732 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] [2022-10-15 22:17:24,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:24,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:24,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1650937210, now seen corresponding path program 1 times [2022-10-15 22:17:24,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:24,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913301641] [2022-10-15 22:17:24,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:24,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:25,316 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 22:17:25,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:25,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913301641] [2022-10-15 22:17:25,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913301641] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:25,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:25,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:25,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148066527] [2022-10-15 22:17:25,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:25,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:25,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:25,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:25,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:25,380 INFO L87 Difference]: Start difference. First operand has 234 states, 189 states have (on average 1.8148148148148149) internal successors, (343), 233 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 22:17:25,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:25,900 INFO L93 Difference]: Finished difference Result 493 states and 708 transitions. [2022-10-15 22:17:25,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:25,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-15 22:17:25,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:25,921 INFO L225 Difference]: With dead ends: 493 [2022-10-15 22:17:25,922 INFO L226 Difference]: Without dead ends: 472 [2022-10-15 22:17:25,926 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 22:17:25,931 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 764 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:25,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 641 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-10-15 22:17:26,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 330. [2022-10-15 22:17:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 292 states have (on average 1.5582191780821917) internal successors, (455), 329 states have internal predecessors, (455), 0 states have call successors, (0), 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 22:17:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 455 transitions. [2022-10-15 22:17:26,015 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 455 transitions. Word has length 50 [2022-10-15 22:17:26,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:26,016 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 455 transitions. [2022-10-15 22:17:26,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 22:17:26,017 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 455 transitions. [2022-10-15 22:17:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 22:17:26,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:26,019 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] [2022-10-15 22:17:26,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:17:26,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:26,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:26,021 INFO L85 PathProgramCache]: Analyzing trace with hash 360554239, now seen corresponding path program 1 times [2022-10-15 22:17:26,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:26,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502091690] [2022-10-15 22:17:26,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:26,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:26,256 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 22:17:26,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:26,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502091690] [2022-10-15 22:17:26,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502091690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:26,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:26,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:26,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311217099] [2022-10-15 22:17:26,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:26,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:26,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:26,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:26,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:26,261 INFO L87 Difference]: Start difference. First operand 330 states and 455 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 22:17:26,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:26,470 INFO L93 Difference]: Finished difference Result 451 states and 624 transitions. [2022-10-15 22:17:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:26,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-15 22:17:26,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:26,474 INFO L225 Difference]: With dead ends: 451 [2022-10-15 22:17:26,474 INFO L226 Difference]: Without dead ends: 446 [2022-10-15 22:17:26,475 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 22:17:26,477 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 658 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:26,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 322 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:26,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-10-15 22:17:26,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 428. [2022-10-15 22:17:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 392 states have (on average 1.5714285714285714) internal successors, (616), 427 states have internal predecessors, (616), 0 states have call successors, (0), 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 22:17:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 616 transitions. [2022-10-15 22:17:26,516 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 616 transitions. Word has length 51 [2022-10-15 22:17:26,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:26,517 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 616 transitions. [2022-10-15 22:17:26,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 22:17:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 616 transitions. [2022-10-15 22:17:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:17:26,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:26,519 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 22:17:26,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:17:26,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:26,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:26,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1707720280, now seen corresponding path program 1 times [2022-10-15 22:17:26,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:26,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659438176] [2022-10-15 22:17:26,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:26,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:26,727 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 22:17:26,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:26,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659438176] [2022-10-15 22:17:26,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659438176] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:26,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:26,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:26,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819184004] [2022-10-15 22:17:26,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:26,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:26,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:26,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:26,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:26,732 INFO L87 Difference]: Start difference. First operand 428 states and 616 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 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 22:17:27,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:27,146 INFO L93 Difference]: Finished difference Result 677 states and 937 transitions. [2022-10-15 22:17:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:17:27,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 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 22:17:27,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:27,151 INFO L225 Difference]: With dead ends: 677 [2022-10-15 22:17:27,151 INFO L226 Difference]: Without dead ends: 672 [2022-10-15 22:17:27,152 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 22:17:27,154 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1039 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:27,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 907 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:27,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2022-10-15 22:17:27,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 521. [2022-10-15 22:17:27,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 487 states have (on average 1.5728952772073923) internal successors, (766), 520 states have internal predecessors, (766), 0 states have call successors, (0), 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 22:17:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 766 transitions. [2022-10-15 22:17:27,194 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 766 transitions. Word has length 52 [2022-10-15 22:17:27,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:27,195 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 766 transitions. [2022-10-15 22:17:27,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 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 22:17:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 766 transitions. [2022-10-15 22:17:27,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:17:27,197 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:27,197 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 22:17:27,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:17:27,198 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:27,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:27,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1399720927, now seen corresponding path program 1 times [2022-10-15 22:17:27,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:27,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205458193] [2022-10-15 22:17:27,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:27,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:27,333 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 22:17:27,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:27,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205458193] [2022-10-15 22:17:27,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205458193] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:27,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:27,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:27,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763939642] [2022-10-15 22:17:27,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:27,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:27,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:27,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:27,340 INFO L87 Difference]: Start difference. First operand 521 states and 766 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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 22:17:27,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:27,668 INFO L93 Difference]: Finished difference Result 652 states and 924 transitions. [2022-10-15 22:17:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:27,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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 22:17:27,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:27,676 INFO L225 Difference]: With dead ends: 652 [2022-10-15 22:17:27,676 INFO L226 Difference]: Without dead ends: 647 [2022-10-15 22:17:27,680 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 22:17:27,690 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1045 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:27,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 559 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:27,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-10-15 22:17:27,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 614. [2022-10-15 22:17:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 582 states have (on average 1.5687285223367697) internal successors, (913), 613 states have internal predecessors, (913), 0 states have call successors, (0), 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 22:17:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 913 transitions. [2022-10-15 22:17:27,743 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 913 transitions. Word has length 53 [2022-10-15 22:17:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:27,744 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 913 transitions. [2022-10-15 22:17:27,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 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 22:17:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 913 transitions. [2022-10-15 22:17:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:17:27,751 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:27,752 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 22:17:27,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:17:27,752 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:27,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:27,753 INFO L85 PathProgramCache]: Analyzing trace with hash -441675574, now seen corresponding path program 1 times [2022-10-15 22:17:27,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:27,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798627791] [2022-10-15 22:17:27,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:27,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:27,967 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 22:17:27,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:27,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798627791] [2022-10-15 22:17:27,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798627791] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:27,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:27,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:27,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790541472] [2022-10-15 22:17:27,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:27,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:27,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:27,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:27,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:27,970 INFO L87 Difference]: Start difference. First operand 614 states and 913 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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 22:17:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:28,499 INFO L93 Difference]: Finished difference Result 956 states and 1375 transitions. [2022-10-15 22:17:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:17:28,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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 22:17:28,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:28,506 INFO L225 Difference]: With dead ends: 956 [2022-10-15 22:17:28,506 INFO L226 Difference]: Without dead ends: 951 [2022-10-15 22:17:28,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:17:28,508 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1376 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:28,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 1346 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:17:28,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-10-15 22:17:28,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 702. [2022-10-15 22:17:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 672 states have (on average 1.5610119047619047) internal successors, (1049), 701 states have internal predecessors, (1049), 0 states have call successors, (0), 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 22:17:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1049 transitions. [2022-10-15 22:17:28,587 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1049 transitions. Word has length 54 [2022-10-15 22:17:28,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:28,588 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 1049 transitions. [2022-10-15 22:17:28,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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 22:17:28,589 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1049 transitions. [2022-10-15 22:17:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:17:28,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:28,590 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 22:17:28,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:17:28,590 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:28,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash -807040701, now seen corresponding path program 1 times [2022-10-15 22:17:28,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:28,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106575217] [2022-10-15 22:17:28,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:28,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:28,728 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 22:17:28,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:28,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106575217] [2022-10-15 22:17:28,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106575217] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:28,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:28,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:28,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135152113] [2022-10-15 22:17:28,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:28,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:28,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:28,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:28,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:28,732 INFO L87 Difference]: Start difference. First operand 702 states and 1049 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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 22:17:29,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:29,200 INFO L93 Difference]: Finished difference Result 930 states and 1340 transitions. [2022-10-15 22:17:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:17:29,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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 22:17:29,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:29,206 INFO L225 Difference]: With dead ends: 930 [2022-10-15 22:17:29,206 INFO L226 Difference]: Without dead ends: 925 [2022-10-15 22:17:29,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:17:29,209 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1394 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:29,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 897 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:29,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-10-15 22:17:29,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 880. [2022-10-15 22:17:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 852 states have (on average 1.556338028169014) internal successors, (1326), 879 states have internal predecessors, (1326), 0 states have call successors, (0), 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 22:17:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1326 transitions. [2022-10-15 22:17:29,282 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1326 transitions. Word has length 55 [2022-10-15 22:17:29,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:29,282 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1326 transitions. [2022-10-15 22:17:29,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 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 22:17:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1326 transitions. [2022-10-15 22:17:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:17:29,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:29,284 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 22:17:29,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:17:29,284 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:29,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:29,285 INFO L85 PathProgramCache]: Analyzing trace with hash 751542252, now seen corresponding path program 1 times [2022-10-15 22:17:29,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:29,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887282635] [2022-10-15 22:17:29,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:29,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:29,463 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 22:17:29,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:29,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887282635] [2022-10-15 22:17:29,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887282635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:29,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:29,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:29,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466138355] [2022-10-15 22:17:29,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:29,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:29,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:29,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:29,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:29,466 INFO L87 Difference]: Start difference. First operand 880 states and 1326 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 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 22:17:30,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:30,689 INFO L93 Difference]: Finished difference Result 2882 states and 4366 transitions. [2022-10-15 22:17:30,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 22:17:30,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 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 22:17:30,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:30,703 INFO L225 Difference]: With dead ends: 2882 [2022-10-15 22:17:30,703 INFO L226 Difference]: Without dead ends: 2184 [2022-10-15 22:17:30,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-15 22:17:30,708 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 1586 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:30,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 2992 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:17:30,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2022-10-15 22:17:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 1551. [2022-10-15 22:17:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1525 states have (on average 1.5508196721311476) internal successors, (2365), 1550 states have internal predecessors, (2365), 0 states have call successors, (0), 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 22:17:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 2365 transitions. [2022-10-15 22:17:30,842 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 2365 transitions. Word has length 56 [2022-10-15 22:17:30,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:30,843 INFO L495 AbstractCegarLoop]: Abstraction has 1551 states and 2365 transitions. [2022-10-15 22:17:30,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 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 22:17:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2365 transitions. [2022-10-15 22:17:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:17:30,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:30,844 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 22:17:30,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:17:30,845 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:30,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:30,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1822973541, now seen corresponding path program 1 times [2022-10-15 22:17:30,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:30,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549928053] [2022-10-15 22:17:30,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:30,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:30,986 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 22:17:30,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:30,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549928053] [2022-10-15 22:17:30,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549928053] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:30,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:30,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:30,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952039647] [2022-10-15 22:17:30,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:30,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:30,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:30,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:30,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:30,990 INFO L87 Difference]: Start difference. First operand 1551 states and 2365 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 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 22:17:32,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:32,080 INFO L93 Difference]: Finished difference Result 2235 states and 3322 transitions. [2022-10-15 22:17:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 22:17:32,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 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 22:17:32,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:32,098 INFO L225 Difference]: With dead ends: 2235 [2022-10-15 22:17:32,099 INFO L226 Difference]: Without dead ends: 2230 [2022-10-15 22:17:32,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 22:17:32,101 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 1799 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:32,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1799 Valid, 1564 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:17:32,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-10-15 22:17:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2140. [2022-10-15 22:17:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2116 states have (on average 1.5463137996219283) internal successors, (3272), 2139 states have internal predecessors, (3272), 0 states have call successors, (0), 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 22:17:32,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3272 transitions. [2022-10-15 22:17:32,327 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3272 transitions. Word has length 57 [2022-10-15 22:17:32,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:32,327 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 3272 transitions. [2022-10-15 22:17:32,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 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 22:17:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3272 transitions. [2022-10-15 22:17:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:17:32,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:32,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:32,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:17:32,330 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:32,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:32,331 INFO L85 PathProgramCache]: Analyzing trace with hash 310174988, now seen corresponding path program 1 times [2022-10-15 22:17:32,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:32,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886709989] [2022-10-15 22:17:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:32,495 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 22:17:32,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:32,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886709989] [2022-10-15 22:17:32,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886709989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:32,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:32,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:32,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530370838] [2022-10-15 22:17:32,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:32,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:32,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:32,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:32,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:32,498 INFO L87 Difference]: Start difference. First operand 2140 states and 3272 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 22:17:32,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:32,837 INFO L93 Difference]: Finished difference Result 2431 states and 3693 transitions. [2022-10-15 22:17:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:32,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-15 22:17:32,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:32,851 INFO L225 Difference]: With dead ends: 2431 [2022-10-15 22:17:32,851 INFO L226 Difference]: Without dead ends: 2428 [2022-10-15 22:17:32,852 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 22:17:32,855 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 444 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:32,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 538 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:32,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2022-10-15 22:17:33,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2392. [2022-10-15 22:17:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2368 states have (on average 1.5557432432432432) internal successors, (3684), 2391 states have internal predecessors, (3684), 0 states have call successors, (0), 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 22:17:33,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3684 transitions. [2022-10-15 22:17:33,036 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3684 transitions. Word has length 92 [2022-10-15 22:17:33,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:33,037 INFO L495 AbstractCegarLoop]: Abstraction has 2392 states and 3684 transitions. [2022-10-15 22:17:33,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 22:17:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3684 transitions. [2022-10-15 22:17:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:17:33,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:33,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:33,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:17:33,039 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash 734226920, now seen corresponding path program 1 times [2022-10-15 22:17:33,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:33,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552040743] [2022-10-15 22:17:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:33,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:33,207 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 22:17:33,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:33,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552040743] [2022-10-15 22:17:33,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552040743] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:33,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:33,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:33,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379376035] [2022-10-15 22:17:33,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:33,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:33,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:33,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:33,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:33,210 INFO L87 Difference]: Start difference. First operand 2392 states and 3684 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 22:17:33,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:33,629 INFO L93 Difference]: Finished difference Result 3218 states and 4945 transitions. [2022-10-15 22:17:33,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:33,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-15 22:17:33,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:33,648 INFO L225 Difference]: With dead ends: 3218 [2022-10-15 22:17:33,649 INFO L226 Difference]: Without dead ends: 3215 [2022-10-15 22:17:33,651 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 22:17:33,652 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 326 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:33,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 730 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:33,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2022-10-15 22:17:33,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3182. [2022-10-15 22:17:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3182 states, 3158 states have (on average 1.5573147561747942) internal successors, (4918), 3181 states have internal predecessors, (4918), 0 states have call successors, (0), 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 22:17:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 3182 states and 4918 transitions. [2022-10-15 22:17:33,965 INFO L78 Accepts]: Start accepts. Automaton has 3182 states and 4918 transitions. Word has length 92 [2022-10-15 22:17:33,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:33,966 INFO L495 AbstractCegarLoop]: Abstraction has 3182 states and 4918 transitions. [2022-10-15 22:17:33,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 22:17:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3182 states and 4918 transitions. [2022-10-15 22:17:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 22:17:33,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:33,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:33,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:17:33,968 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:33,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:33,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1025490350, now seen corresponding path program 1 times [2022-10-15 22:17:33,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:33,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756028132] [2022-10-15 22:17:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:33,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:34,108 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 22:17:34,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:34,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756028132] [2022-10-15 22:17:34,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756028132] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:34,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:34,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:34,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038895191] [2022-10-15 22:17:34,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:34,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:34,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:34,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:34,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:34,111 INFO L87 Difference]: Start difference. First operand 3182 states and 4918 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 22:17:34,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:34,473 INFO L93 Difference]: Finished difference Result 3200 states and 4918 transitions. [2022-10-15 22:17:34,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:34,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-15 22:17:34,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:34,490 INFO L225 Difference]: With dead ends: 3200 [2022-10-15 22:17:34,490 INFO L226 Difference]: Without dead ends: 3197 [2022-10-15 22:17:34,492 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 22:17:34,493 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 446 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:34,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 421 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:17:34,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2022-10-15 22:17:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3179. [2022-10-15 22:17:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 3158 states have (on average 1.551614946168461) internal successors, (4900), 3178 states have internal predecessors, (4900), 0 states have call successors, (0), 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 22:17:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4900 transitions. [2022-10-15 22:17:34,753 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4900 transitions. Word has length 93 [2022-10-15 22:17:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:34,754 INFO L495 AbstractCegarLoop]: Abstraction has 3179 states and 4900 transitions. [2022-10-15 22:17:34,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 22:17:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4900 transitions. [2022-10-15 22:17:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:17:34,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:34,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:34,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:17:34,758 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:34,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:34,759 INFO L85 PathProgramCache]: Analyzing trace with hash 584107397, now seen corresponding path program 1 times [2022-10-15 22:17:34,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:34,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743793910] [2022-10-15 22:17:34,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:34,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:34,895 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 22:17:34,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:34,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743793910] [2022-10-15 22:17:34,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743793910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:34,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:34,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:34,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901028872] [2022-10-15 22:17:34,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:34,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:34,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:34,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:34,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:34,898 INFO L87 Difference]: Start difference. First operand 3179 states and 4900 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:17:35,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:35,337 INFO L93 Difference]: Finished difference Result 3470 states and 5312 transitions. [2022-10-15 22:17:35,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:35,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:17:35,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:35,358 INFO L225 Difference]: With dead ends: 3470 [2022-10-15 22:17:35,359 INFO L226 Difference]: Without dead ends: 3467 [2022-10-15 22:17:35,360 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 22:17:35,361 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 319 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:35,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 704 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:35,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2022-10-15 22:17:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3179. [2022-10-15 22:17:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 3158 states have (on average 1.5430652311589614) internal successors, (4873), 3178 states have internal predecessors, (4873), 0 states have call successors, (0), 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 22:17:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4873 transitions. [2022-10-15 22:17:35,641 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4873 transitions. Word has length 94 [2022-10-15 22:17:35,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:35,641 INFO L495 AbstractCegarLoop]: Abstraction has 3179 states and 4873 transitions. [2022-10-15 22:17:35,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:17:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4873 transitions. [2022-10-15 22:17:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:17:35,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:35,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:35,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:17:35,644 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:35,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:35,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1725430094, now seen corresponding path program 1 times [2022-10-15 22:17:35,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:35,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205387175] [2022-10-15 22:17:35,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:35,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:35,809 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 22:17:35,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:35,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205387175] [2022-10-15 22:17:35,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205387175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:35,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:35,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:35,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808730003] [2022-10-15 22:17:35,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:35,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:35,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:35,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:35,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:35,812 INFO L87 Difference]: Start difference. First operand 3179 states and 4873 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:17:36,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:36,309 INFO L93 Difference]: Finished difference Result 3739 states and 5696 transitions. [2022-10-15 22:17:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:36,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:17:36,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:36,330 INFO L225 Difference]: With dead ends: 3739 [2022-10-15 22:17:36,330 INFO L226 Difference]: Without dead ends: 3736 [2022-10-15 22:17:36,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:36,333 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 817 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:36,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 761 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:36,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-10-15 22:17:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3442. [2022-10-15 22:17:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3442 states, 3421 states have (on average 1.5445776088862906) internal successors, (5284), 3441 states have internal predecessors, (5284), 0 states have call successors, (0), 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 22:17:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 5284 transitions. [2022-10-15 22:17:36,674 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 5284 transitions. Word has length 94 [2022-10-15 22:17:36,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:36,675 INFO L495 AbstractCegarLoop]: Abstraction has 3442 states and 5284 transitions. [2022-10-15 22:17:36,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:17:36,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 5284 transitions. [2022-10-15 22:17:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:17:36,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:36,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:36,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:17:36,677 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:36,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:36,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1217443626, now seen corresponding path program 1 times [2022-10-15 22:17:36,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:36,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141790663] [2022-10-15 22:17:36,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:36,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:36,841 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 22:17:36,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:36,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141790663] [2022-10-15 22:17:36,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141790663] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:36,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:36,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:36,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720671230] [2022-10-15 22:17:36,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:36,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:36,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:36,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:36,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:36,844 INFO L87 Difference]: Start difference. First operand 3442 states and 5284 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:17:37,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:37,372 INFO L93 Difference]: Finished difference Result 3739 states and 5687 transitions. [2022-10-15 22:17:37,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:37,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:17:37,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:37,383 INFO L225 Difference]: With dead ends: 3739 [2022-10-15 22:17:37,383 INFO L226 Difference]: Without dead ends: 3736 [2022-10-15 22:17:37,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:37,385 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 709 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:37,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 1036 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:37,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-10-15 22:17:37,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3694. [2022-10-15 22:17:37,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3694 states, 3673 states have (on average 1.545875306289137) internal successors, (5678), 3693 states have internal predecessors, (5678), 0 states have call successors, (0), 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 22:17:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 5678 transitions. [2022-10-15 22:17:37,718 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 5678 transitions. Word has length 94 [2022-10-15 22:17:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:37,718 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 5678 transitions. [2022-10-15 22:17:37,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:17:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 5678 transitions. [2022-10-15 22:17:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:17:37,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:37,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:37,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:17:37,721 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:37,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:37,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1371584098, now seen corresponding path program 1 times [2022-10-15 22:17:37,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:37,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828427222] [2022-10-15 22:17:37,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:37,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:37,959 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 22:17:37,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:37,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828427222] [2022-10-15 22:17:37,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828427222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:37,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:37,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:37,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663934501] [2022-10-15 22:17:37,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:37,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:37,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:37,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:37,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:37,962 INFO L87 Difference]: Start difference. First operand 3694 states and 5678 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:17:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:38,558 INFO L93 Difference]: Finished difference Result 3736 states and 5678 transitions. [2022-10-15 22:17:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:38,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:17:38,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:38,584 INFO L225 Difference]: With dead ends: 3736 [2022-10-15 22:17:38,584 INFO L226 Difference]: Without dead ends: 3733 [2022-10-15 22:17:38,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:38,590 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 708 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:38,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 951 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2022-10-15 22:17:38,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 3694. [2022-10-15 22:17:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3694 states, 3673 states have (on average 1.5409746800980124) internal successors, (5660), 3693 states have internal predecessors, (5660), 0 states have call successors, (0), 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 22:17:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 5660 transitions. [2022-10-15 22:17:38,959 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 5660 transitions. Word has length 94 [2022-10-15 22:17:38,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:38,959 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 5660 transitions. [2022-10-15 22:17:38,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:17:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 5660 transitions. [2022-10-15 22:17:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 22:17:38,961 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:38,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:38,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:17:38,962 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:38,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:38,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1948725680, now seen corresponding path program 1 times [2022-10-15 22:17:38,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:38,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185205062] [2022-10-15 22:17:38,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:38,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:39,168 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 22:17:39,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:39,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185205062] [2022-10-15 22:17:39,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185205062] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:39,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:39,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:39,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41722390] [2022-10-15 22:17:39,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:39,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:39,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:39,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:39,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:39,174 INFO L87 Difference]: Start difference. First operand 3694 states and 5660 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 22:17:39,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:39,659 INFO L93 Difference]: Finished difference Result 4744 states and 7290 transitions. [2022-10-15 22:17:39,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:39,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-15 22:17:39,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:39,675 INFO L225 Difference]: With dead ends: 4744 [2022-10-15 22:17:39,675 INFO L226 Difference]: Without dead ends: 4741 [2022-10-15 22:17:39,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:39,679 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 738 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:39,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 626 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:39,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4741 states. [2022-10-15 22:17:40,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4741 to 4702. [2022-10-15 22:17:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4702 states, 4681 states have (on average 1.5515915402691733) internal successors, (7263), 4701 states have internal predecessors, (7263), 0 states have call successors, (0), 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 22:17:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4702 states to 4702 states and 7263 transitions. [2022-10-15 22:17:40,081 INFO L78 Accepts]: Start accepts. Automaton has 4702 states and 7263 transitions. Word has length 95 [2022-10-15 22:17:40,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:40,081 INFO L495 AbstractCegarLoop]: Abstraction has 4702 states and 7263 transitions. [2022-10-15 22:17:40,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 22:17:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 7263 transitions. [2022-10-15 22:17:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 22:17:40,083 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:40,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:40,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:17:40,083 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:40,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:40,084 INFO L85 PathProgramCache]: Analyzing trace with hash -913952940, now seen corresponding path program 1 times [2022-10-15 22:17:40,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:40,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397971918] [2022-10-15 22:17:40,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:40,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:40,249 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 22:17:40,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:40,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397971918] [2022-10-15 22:17:40,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397971918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:40,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:40,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:40,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639625626] [2022-10-15 22:17:40,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:40,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:40,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:40,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:40,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:40,252 INFO L87 Difference]: Start difference. First operand 4702 states and 7263 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 22:17:40,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:40,907 INFO L93 Difference]: Finished difference Result 6001 states and 9242 transitions. [2022-10-15 22:17:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:40,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-15 22:17:40,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:40,925 INFO L225 Difference]: With dead ends: 6001 [2022-10-15 22:17:40,925 INFO L226 Difference]: Without dead ends: 5998 [2022-10-15 22:17:40,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:40,929 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 736 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:40,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 617 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:40,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5998 states. [2022-10-15 22:17:41,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5998 to 5458. [2022-10-15 22:17:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5458 states, 5437 states have (on average 1.551590950892036) internal successors, (8436), 5457 states have internal predecessors, (8436), 0 states have call successors, (0), 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 22:17:41,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5458 states to 5458 states and 8436 transitions. [2022-10-15 22:17:41,450 INFO L78 Accepts]: Start accepts. Automaton has 5458 states and 8436 transitions. Word has length 95 [2022-10-15 22:17:41,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:41,450 INFO L495 AbstractCegarLoop]: Abstraction has 5458 states and 8436 transitions. [2022-10-15 22:17:41,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 22:17:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 5458 states and 8436 transitions. [2022-10-15 22:17:41,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:17:41,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:41,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:41,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:17:41,453 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:41,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:41,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1313497209, now seen corresponding path program 1 times [2022-10-15 22:17:41,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:41,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637008070] [2022-10-15 22:17:41,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:41,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:41,650 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 22:17:41,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:41,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637008070] [2022-10-15 22:17:41,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637008070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:41,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:41,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:41,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400286534] [2022-10-15 22:17:41,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:41,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:41,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:41,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:41,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:41,653 INFO L87 Difference]: Start difference. First operand 5458 states and 8436 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:42,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:42,504 INFO L93 Difference]: Finished difference Result 6265 states and 9654 transitions. [2022-10-15 22:17:42,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:42,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:17:42,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:42,524 INFO L225 Difference]: With dead ends: 6265 [2022-10-15 22:17:42,524 INFO L226 Difference]: Without dead ends: 6262 [2022-10-15 22:17:42,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:42,528 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 600 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:42,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 782 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:42,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6262 states. [2022-10-15 22:17:43,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6262 to 6214. [2022-10-15 22:17:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6214 states, 6193 states have (on average 1.5559502664298401) internal successors, (9636), 6213 states have internal predecessors, (9636), 0 states have call successors, (0), 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 22:17:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6214 states to 6214 states and 9636 transitions. [2022-10-15 22:17:43,052 INFO L78 Accepts]: Start accepts. Automaton has 6214 states and 9636 transitions. Word has length 96 [2022-10-15 22:17:43,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:43,052 INFO L495 AbstractCegarLoop]: Abstraction has 6214 states and 9636 transitions. [2022-10-15 22:17:43,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand 6214 states and 9636 transitions. [2022-10-15 22:17:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:17:43,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:43,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:43,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:17:43,054 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:43,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:43,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1159356737, now seen corresponding path program 1 times [2022-10-15 22:17:43,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:43,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359758978] [2022-10-15 22:17:43,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:43,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:43,247 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 22:17:43,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:43,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359758978] [2022-10-15 22:17:43,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359758978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:43,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:43,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:43,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242071344] [2022-10-15 22:17:43,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:43,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:43,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:43,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:43,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:43,250 INFO L87 Difference]: Start difference. First operand 6214 states and 9636 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:44,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:44,110 INFO L93 Difference]: Finished difference Result 7012 states and 10818 transitions. [2022-10-15 22:17:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:44,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:17:44,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:44,127 INFO L225 Difference]: With dead ends: 7012 [2022-10-15 22:17:44,128 INFO L226 Difference]: Without dead ends: 7009 [2022-10-15 22:17:44,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:44,131 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 469 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:44,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 959 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:44,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7009 states. [2022-10-15 22:17:44,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7009 to 6970. [2022-10-15 22:17:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6970 states, 6949 states have (on average 1.5541804576198015) internal successors, (10800), 6969 states have internal predecessors, (10800), 0 states have call successors, (0), 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 22:17:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6970 states to 6970 states and 10800 transitions. [2022-10-15 22:17:44,641 INFO L78 Accepts]: Start accepts. Automaton has 6970 states and 10800 transitions. Word has length 96 [2022-10-15 22:17:44,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:44,641 INFO L495 AbstractCegarLoop]: Abstraction has 6970 states and 10800 transitions. [2022-10-15 22:17:44,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6970 states and 10800 transitions. [2022-10-15 22:17:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:17:44,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:44,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:44,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:17:44,644 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:44,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:44,644 INFO L85 PathProgramCache]: Analyzing trace with hash 280954256, now seen corresponding path program 1 times [2022-10-15 22:17:44,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:44,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186194369] [2022-10-15 22:17:44,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:44,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:44,838 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 22:17:44,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:44,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186194369] [2022-10-15 22:17:44,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186194369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:44,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:44,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:44,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805769976] [2022-10-15 22:17:44,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:44,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:44,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:44,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:44,840 INFO L87 Difference]: Start difference. First operand 6970 states and 10800 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:45,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:45,707 INFO L93 Difference]: Finished difference Result 7270 states and 11194 transitions. [2022-10-15 22:17:45,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:45,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:17:45,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:45,726 INFO L225 Difference]: With dead ends: 7270 [2022-10-15 22:17:45,727 INFO L226 Difference]: Without dead ends: 7267 [2022-10-15 22:17:45,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:45,731 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 1148 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:45,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 1255 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:45,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7267 states. [2022-10-15 22:17:46,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7267 to 7228. [2022-10-15 22:17:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7228 states, 7207 states have (on average 1.5519633689468573) internal successors, (11185), 7227 states have internal predecessors, (11185), 0 states have call successors, (0), 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 22:17:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7228 states to 7228 states and 11185 transitions. [2022-10-15 22:17:46,142 INFO L78 Accepts]: Start accepts. Automaton has 7228 states and 11185 transitions. Word has length 96 [2022-10-15 22:17:46,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:46,143 INFO L495 AbstractCegarLoop]: Abstraction has 7228 states and 11185 transitions. [2022-10-15 22:17:46,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 7228 states and 11185 transitions. [2022-10-15 22:17:46,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:17:46,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:46,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:46,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:17:46,145 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:46,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:46,146 INFO L85 PathProgramCache]: Analyzing trace with hash 291919259, now seen corresponding path program 1 times [2022-10-15 22:17:46,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:46,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060874776] [2022-10-15 22:17:46,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:46,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:46,363 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 22:17:46,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:46,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060874776] [2022-10-15 22:17:46,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060874776] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:46,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:46,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:46,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345773096] [2022-10-15 22:17:46,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:46,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:46,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:46,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:46,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:46,366 INFO L87 Difference]: Start difference. First operand 7228 states and 11185 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:47,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:47,098 INFO L93 Difference]: Finished difference Result 7522 states and 11579 transitions. [2022-10-15 22:17:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:47,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:17:47,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:47,120 INFO L225 Difference]: With dead ends: 7522 [2022-10-15 22:17:47,121 INFO L226 Difference]: Without dead ends: 7519 [2022-10-15 22:17:47,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:47,126 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 463 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:47,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 942 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7519 states. [2022-10-15 22:17:47,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7519 to 7480. [2022-10-15 22:17:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7480 states, 7459 states have (on average 1.5487330741386245) internal successors, (11552), 7479 states have internal predecessors, (11552), 0 states have call successors, (0), 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 22:17:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7480 states to 7480 states and 11552 transitions. [2022-10-15 22:17:47,841 INFO L78 Accepts]: Start accepts. Automaton has 7480 states and 11552 transitions. Word has length 96 [2022-10-15 22:17:47,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:47,841 INFO L495 AbstractCegarLoop]: Abstraction has 7480 states and 11552 transitions. [2022-10-15 22:17:47,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:47,842 INFO L276 IsEmpty]: Start isEmpty. Operand 7480 states and 11552 transitions. [2022-10-15 22:17:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:17:47,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:47,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:47,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:17:47,844 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:47,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1732230252, now seen corresponding path program 1 times [2022-10-15 22:17:47,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:47,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914634454] [2022-10-15 22:17:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:47,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:48,094 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 22:17:48,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:48,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914634454] [2022-10-15 22:17:48,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914634454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:48,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:48,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:48,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012394639] [2022-10-15 22:17:48,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:48,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:48,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:48,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:48,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:48,096 INFO L87 Difference]: Start difference. First operand 7480 states and 11552 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:48,998 INFO L93 Difference]: Finished difference Result 7780 states and 11946 transitions. [2022-10-15 22:17:48,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:48,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:17:48,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:49,019 INFO L225 Difference]: With dead ends: 7780 [2022-10-15 22:17:49,020 INFO L226 Difference]: Without dead ends: 7777 [2022-10-15 22:17:49,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:49,025 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 1235 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:49,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 1187 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:49,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7777 states. [2022-10-15 22:17:49,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7777 to 7738. [2022-10-15 22:17:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7738 states, 7717 states have (on average 1.546844628741739) internal successors, (11937), 7737 states have internal predecessors, (11937), 0 states have call successors, (0), 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 22:17:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7738 states to 7738 states and 11937 transitions. [2022-10-15 22:17:49,633 INFO L78 Accepts]: Start accepts. Automaton has 7738 states and 11937 transitions. Word has length 96 [2022-10-15 22:17:49,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:49,633 INFO L495 AbstractCegarLoop]: Abstraction has 7738 states and 11937 transitions. [2022-10-15 22:17:49,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7738 states and 11937 transitions. [2022-10-15 22:17:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:17:49,635 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:49,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:49,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:17:49,635 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:49,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:49,636 INFO L85 PathProgramCache]: Analyzing trace with hash -462631516, now seen corresponding path program 1 times [2022-10-15 22:17:49,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:49,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565970585] [2022-10-15 22:17:49,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:49,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:49,861 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 22:17:49,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:49,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565970585] [2022-10-15 22:17:49,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565970585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:49,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:49,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:49,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936752136] [2022-10-15 22:17:49,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:49,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:49,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:49,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:49,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:49,863 INFO L87 Difference]: Start difference. First operand 7738 states and 11937 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:50,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:50,674 INFO L93 Difference]: Finished difference Result 8032 states and 12322 transitions. [2022-10-15 22:17:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:50,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:17:50,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:50,691 INFO L225 Difference]: With dead ends: 8032 [2022-10-15 22:17:50,692 INFO L226 Difference]: Without dead ends: 8029 [2022-10-15 22:17:50,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:50,697 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 1148 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:50,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 1276 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:50,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8029 states. [2022-10-15 22:17:51,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8029 to 7990. [2022-10-15 22:17:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7990 states, 7969 states have (on average 1.5451123102020328) internal successors, (12313), 7989 states have internal predecessors, (12313), 0 states have call successors, (0), 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 22:17:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7990 states to 7990 states and 12313 transitions. [2022-10-15 22:17:51,186 INFO L78 Accepts]: Start accepts. Automaton has 7990 states and 12313 transitions. Word has length 96 [2022-10-15 22:17:51,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:51,186 INFO L495 AbstractCegarLoop]: Abstraction has 7990 states and 12313 transitions. [2022-10-15 22:17:51,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:51,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7990 states and 12313 transitions. [2022-10-15 22:17:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:17:51,188 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:51,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:51,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:17:51,189 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:51,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:51,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1472121512, now seen corresponding path program 1 times [2022-10-15 22:17:51,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:51,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212910546] [2022-10-15 22:17:51,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:51,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:51,379 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 22:17:51,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:51,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212910546] [2022-10-15 22:17:51,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212910546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:51,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:51,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:51,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697946193] [2022-10-15 22:17:51,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:51,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:51,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:51,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:51,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:51,381 INFO L87 Difference]: Start difference. First operand 7990 states and 12313 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:52,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:52,155 INFO L93 Difference]: Finished difference Result 8029 states and 12313 transitions. [2022-10-15 22:17:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:17:52,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-15 22:17:52,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:52,178 INFO L225 Difference]: With dead ends: 8029 [2022-10-15 22:17:52,178 INFO L226 Difference]: Without dead ends: 8026 [2022-10-15 22:17:52,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:52,184 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 875 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:52,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 1448 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:52,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8026 states. [2022-10-15 22:17:52,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8026 to 7990. [2022-10-15 22:17:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7990 states, 7969 states have (on average 1.5439829338687414) internal successors, (12304), 7989 states have internal predecessors, (12304), 0 states have call successors, (0), 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 22:17:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7990 states to 7990 states and 12304 transitions. [2022-10-15 22:17:52,803 INFO L78 Accepts]: Start accepts. Automaton has 7990 states and 12304 transitions. Word has length 96 [2022-10-15 22:17:52,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:52,804 INFO L495 AbstractCegarLoop]: Abstraction has 7990 states and 12304 transitions. [2022-10-15 22:17:52,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:17:52,804 INFO L276 IsEmpty]: Start isEmpty. Operand 7990 states and 12304 transitions. [2022-10-15 22:17:52,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:17:52,806 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:52,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:52,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:17:52,806 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:52,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:52,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2063707497, now seen corresponding path program 1 times [2022-10-15 22:17:52,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:52,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562510616] [2022-10-15 22:17:52,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:52,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:52,985 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 22:17:52,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:52,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562510616] [2022-10-15 22:17:52,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562510616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:52,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:52,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:52,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465059093] [2022-10-15 22:17:52,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:52,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:52,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:52,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:52,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:52,988 INFO L87 Difference]: Start difference. First operand 7990 states and 12304 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 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 22:17:53,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:53,679 INFO L93 Difference]: Finished difference Result 8023 states and 12304 transitions. [2022-10-15 22:17:53,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:53,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-15 22:17:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:53,692 INFO L225 Difference]: With dead ends: 8023 [2022-10-15 22:17:53,692 INFO L226 Difference]: Without dead ends: 8020 [2022-10-15 22:17:53,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:53,697 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 494 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:53,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 673 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:53,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8020 states. [2022-10-15 22:17:54,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8020 to 6478. [2022-10-15 22:17:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6478 states, 6457 states have (on average 1.5324454080842496) internal successors, (9895), 6477 states have internal predecessors, (9895), 0 states have call successors, (0), 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 22:17:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6478 states to 6478 states and 9895 transitions. [2022-10-15 22:17:54,062 INFO L78 Accepts]: Start accepts. Automaton has 6478 states and 9895 transitions. Word has length 97 [2022-10-15 22:17:54,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:54,063 INFO L495 AbstractCegarLoop]: Abstraction has 6478 states and 9895 transitions. [2022-10-15 22:17:54,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 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 22:17:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 6478 states and 9895 transitions. [2022-10-15 22:17:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:17:54,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:54,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:54,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:17:54,064 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:54,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:54,065 INFO L85 PathProgramCache]: Analyzing trace with hash 119647666, now seen corresponding path program 1 times [2022-10-15 22:17:54,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:54,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007934943] [2022-10-15 22:17:54,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:54,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:54,229 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 22:17:54,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:54,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007934943] [2022-10-15 22:17:54,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007934943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:54,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:54,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:54,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817961486] [2022-10-15 22:17:54,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:54,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:54,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:54,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:54,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:54,231 INFO L87 Difference]: Start difference. First operand 6478 states and 9895 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 22:17:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:54,988 INFO L93 Difference]: Finished difference Result 9064 states and 13862 transitions. [2022-10-15 22:17:54,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:54,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-15 22:17:54,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:55,002 INFO L225 Difference]: With dead ends: 9064 [2022-10-15 22:17:55,002 INFO L226 Difference]: Without dead ends: 9061 [2022-10-15 22:17:55,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:55,006 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1205 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:55,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1205 Valid, 755 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:55,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9061 states. [2022-10-15 22:17:55,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9061 to 9004. [2022-10-15 22:17:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9004 states, 8983 states have (on average 1.5371256818434822) internal successors, (13808), 9003 states have internal predecessors, (13808), 0 states have call successors, (0), 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 22:17:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9004 states to 9004 states and 13808 transitions. [2022-10-15 22:17:55,544 INFO L78 Accepts]: Start accepts. Automaton has 9004 states and 13808 transitions. Word has length 97 [2022-10-15 22:17:55,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:55,545 INFO L495 AbstractCegarLoop]: Abstraction has 9004 states and 13808 transitions. [2022-10-15 22:17:55,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 22:17:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 9004 states and 13808 transitions. [2022-10-15 22:17:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:17:55,546 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:55,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:55,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:17:55,547 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:55,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:55,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2135436714, now seen corresponding path program 1 times [2022-10-15 22:17:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:55,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202378397] [2022-10-15 22:17:55,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:55,707 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 22:17:55,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:55,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202378397] [2022-10-15 22:17:55,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202378397] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:55,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:55,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:55,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775997509] [2022-10-15 22:17:55,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:55,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:55,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:55,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:55,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:55,710 INFO L87 Difference]: Start difference. First operand 9004 states and 13808 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 22:17:56,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:56,641 INFO L93 Difference]: Finished difference Result 12337 states and 18912 transitions. [2022-10-15 22:17:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:56,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-15 22:17:56,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:56,658 INFO L225 Difference]: With dead ends: 12337 [2022-10-15 22:17:56,659 INFO L226 Difference]: Without dead ends: 12334 [2022-10-15 22:17:56,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:56,664 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1020 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:56,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 1017 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:56,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12334 states. [2022-10-15 22:17:57,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12334 to 12280. [2022-10-15 22:17:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12280 states, 12259 states have (on average 1.5390325475161106) internal successors, (18867), 12279 states have internal predecessors, (18867), 0 states have call successors, (0), 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 22:17:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12280 states to 12280 states and 18867 transitions. [2022-10-15 22:17:57,458 INFO L78 Accepts]: Start accepts. Automaton has 12280 states and 18867 transitions. Word has length 97 [2022-10-15 22:17:57,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:57,458 INFO L495 AbstractCegarLoop]: Abstraction has 12280 states and 18867 transitions. [2022-10-15 22:17:57,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 22:17:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12280 states and 18867 transitions. [2022-10-15 22:17:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 22:17:57,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:57,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:57,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:17:57,460 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:57,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:57,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1456674786, now seen corresponding path program 1 times [2022-10-15 22:17:57,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:57,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975782662] [2022-10-15 22:17:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:57,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:57,702 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 22:17:57,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:57,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975782662] [2022-10-15 22:17:57,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975782662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:57,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:57,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:57,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136739595] [2022-10-15 22:17:57,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:57,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:57,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:57,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:57,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:57,705 INFO L87 Difference]: Start difference. First operand 12280 states and 18867 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 22:17:58,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:58,843 INFO L93 Difference]: Finished difference Result 14851 states and 22717 transitions. [2022-10-15 22:17:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:58,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-15 22:17:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:58,861 INFO L225 Difference]: With dead ends: 14851 [2022-10-15 22:17:58,861 INFO L226 Difference]: Without dead ends: 14848 [2022-10-15 22:17:58,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:17:58,866 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 1016 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:58,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 925 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14848 states. [2022-10-15 22:17:59,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14848 to 14302. [2022-10-15 22:17:59,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14302 states, 14281 states have (on average 1.53490651915132) internal successors, (21920), 14301 states have internal predecessors, (21920), 0 states have call successors, (0), 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 22:17:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14302 states to 14302 states and 21920 transitions. [2022-10-15 22:17:59,777 INFO L78 Accepts]: Start accepts. Automaton has 14302 states and 21920 transitions. Word has length 97 [2022-10-15 22:17:59,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:59,777 INFO L495 AbstractCegarLoop]: Abstraction has 14302 states and 21920 transitions. [2022-10-15 22:17:59,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 22:17:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 14302 states and 21920 transitions. [2022-10-15 22:17:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:17:59,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:59,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:59,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:17:59,779 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:17:59,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:59,780 INFO L85 PathProgramCache]: Analyzing trace with hash -990733640, now seen corresponding path program 1 times [2022-10-15 22:17:59,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:59,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740899608] [2022-10-15 22:17:59,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:59,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:59,941 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 22:17:59,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:59,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740899608] [2022-10-15 22:17:59,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740899608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:59,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:59,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:59,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563515863] [2022-10-15 22:17:59,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:59,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:59,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:59,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:59,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:59,944 INFO L87 Difference]: Start difference. First operand 14302 states and 21920 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:18:01,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:01,191 INFO L93 Difference]: Finished difference Result 16111 states and 24660 transitions. [2022-10-15 22:18:01,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:01,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:18:01,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:01,218 INFO L225 Difference]: With dead ends: 16111 [2022-10-15 22:18:01,219 INFO L226 Difference]: Without dead ends: 16108 [2022-10-15 22:18:01,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:01,224 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 467 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:01,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1145 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:01,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16108 states. [2022-10-15 22:18:02,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16108 to 15310. [2022-10-15 22:18:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15310 states, 15289 states have (on average 1.5285499378638236) internal successors, (23370), 15309 states have internal predecessors, (23370), 0 states have call successors, (0), 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 22:18:02,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15310 states to 15310 states and 23370 transitions. [2022-10-15 22:18:02,296 INFO L78 Accepts]: Start accepts. Automaton has 15310 states and 23370 transitions. Word has length 98 [2022-10-15 22:18:02,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:02,297 INFO L495 AbstractCegarLoop]: Abstraction has 15310 states and 23370 transitions. [2022-10-15 22:18:02,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:18:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 15310 states and 23370 transitions. [2022-10-15 22:18:02,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:18:02,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:02,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:02,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:18:02,298 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:18:02,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:02,299 INFO L85 PathProgramCache]: Analyzing trace with hash 449577353, now seen corresponding path program 1 times [2022-10-15 22:18:02,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:02,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94700635] [2022-10-15 22:18:02,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:02,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:02,461 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 22:18:02,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:02,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94700635] [2022-10-15 22:18:02,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94700635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:02,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:02,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:02,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757314895] [2022-10-15 22:18:02,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:02,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:02,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:02,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:02,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:02,464 INFO L87 Difference]: Start difference. First operand 15310 states and 23370 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:18:03,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:03,816 INFO L93 Difference]: Finished difference Result 16882 states and 25707 transitions. [2022-10-15 22:18:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:03,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:18:03,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:03,842 INFO L225 Difference]: With dead ends: 16882 [2022-10-15 22:18:03,842 INFO L226 Difference]: Without dead ends: 16879 [2022-10-15 22:18:03,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:03,848 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 953 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:03,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 1021 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:18:03,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16879 states. [2022-10-15 22:18:04,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16879 to 16066. [2022-10-15 22:18:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16066 states, 16045 states have (on average 1.5290744780305392) internal successors, (24534), 16065 states have internal predecessors, (24534), 0 states have call successors, (0), 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 22:18:04,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16066 states to 16066 states and 24534 transitions. [2022-10-15 22:18:04,884 INFO L78 Accepts]: Start accepts. Automaton has 16066 states and 24534 transitions. Word has length 98 [2022-10-15 22:18:04,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:04,884 INFO L495 AbstractCegarLoop]: Abstraction has 16066 states and 24534 transitions. [2022-10-15 22:18:04,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:18:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 16066 states and 24534 transitions. [2022-10-15 22:18:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:18:04,886 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:04,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:04,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:18:04,886 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:18:04,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:04,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1745284415, now seen corresponding path program 1 times [2022-10-15 22:18:04,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:04,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043657953] [2022-10-15 22:18:04,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:04,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:05,061 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 22:18:05,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:05,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043657953] [2022-10-15 22:18:05,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043657953] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:05,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:05,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:05,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046426049] [2022-10-15 22:18:05,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:05,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:05,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:05,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:05,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:05,064 INFO L87 Difference]: Start difference. First operand 16066 states and 24534 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:18:06,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:06,276 INFO L93 Difference]: Finished difference Result 16870 states and 25698 transitions. [2022-10-15 22:18:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:18:06,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:18:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:06,300 INFO L225 Difference]: With dead ends: 16870 [2022-10-15 22:18:06,300 INFO L226 Difference]: Without dead ends: 16867 [2022-10-15 22:18:06,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:18:06,307 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1032 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:06,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 982 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:18:06,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16867 states. [2022-10-15 22:18:07,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16867 to 16822. [2022-10-15 22:18:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16822 states, 16801 states have (on average 1.5284804475924052) internal successors, (25680), 16821 states have internal predecessors, (25680), 0 states have call successors, (0), 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 22:18:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16822 states to 16822 states and 25680 transitions. [2022-10-15 22:18:07,569 INFO L78 Accepts]: Start accepts. Automaton has 16822 states and 25680 transitions. Word has length 98 [2022-10-15 22:18:07,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:07,569 INFO L495 AbstractCegarLoop]: Abstraction has 16822 states and 25680 transitions. [2022-10-15 22:18:07,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:18:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 16822 states and 25680 transitions. [2022-10-15 22:18:07,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:18:07,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:07,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:07,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:18:07,571 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:18:07,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:07,571 INFO L85 PathProgramCache]: Analyzing trace with hash -585889326, now seen corresponding path program 1 times [2022-10-15 22:18:07,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:07,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334464207] [2022-10-15 22:18:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:07,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:07,746 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 22:18:07,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:07,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334464207] [2022-10-15 22:18:07,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334464207] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:07,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:07,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:18:07,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003204515] [2022-10-15 22:18:07,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:07,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:18:07,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:07,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:18:07,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:07,749 INFO L87 Difference]: Start difference. First operand 16822 states and 25680 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:18:09,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:09,334 INFO L93 Difference]: Finished difference Result 25523 states and 38799 transitions. [2022-10-15 22:18:09,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:18:09,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-15 22:18:09,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:09,354 INFO L225 Difference]: With dead ends: 25523 [2022-10-15 22:18:09,354 INFO L226 Difference]: Without dead ends: 17192 [2022-10-15 22:18:09,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-15 22:18:09,368 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1249 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:09,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 1738 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:18:09,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17192 states. [2022-10-15 22:18:10,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17192 to 17159. [2022-10-15 22:18:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17159 states, 17138 states have (on average 1.5263157894736843) internal successors, (26158), 17158 states have internal predecessors, (26158), 0 states have call successors, (0), 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 22:18:10,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17159 states to 17159 states and 26158 transitions. [2022-10-15 22:18:10,356 INFO L78 Accepts]: Start accepts. Automaton has 17159 states and 26158 transitions. Word has length 98 [2022-10-15 22:18:10,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:10,356 INFO L495 AbstractCegarLoop]: Abstraction has 17159 states and 26158 transitions. [2022-10-15 22:18:10,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 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 22:18:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 17159 states and 26158 transitions. [2022-10-15 22:18:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:18:10,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:10,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:10,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 22:18:10,358 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 22:18:10,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:10,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1540192885, now seen corresponding path program 1 times [2022-10-15 22:18:10,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:10,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796285745] [2022-10-15 22:18:10,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:10,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:10,567 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 22:18:10,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:10,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796285745] [2022-10-15 22:18:10,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796285745] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:10,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:10,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:18:10,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204292139] [2022-10-15 22:18:10,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:10,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:18:10,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:10,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:18:10,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:18:10,570 INFO L87 Difference]: Start difference. First operand 17159 states and 26158 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)