/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:02:34,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:02:34,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:02:34,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:02:34,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:02:34,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:02:34,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:02:34,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:02:34,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:02:34,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:02:34,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:02:34,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:02:34,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:02:34,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:02:34,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:02:34,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:02:34,750 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:02:34,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:02:34,751 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:02:34,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:02:34,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:02:34,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:02:34,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:02:34,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:02:34,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:02:34,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:02:34,753 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:02:34,753 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:02:34,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:02:34,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:02:34,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:02:34,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:02:34,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:02:34,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:02:34,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:02:34,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:02:34,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:02:34,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:02:34,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:02:34,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:02:34,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:02:34,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:02:35,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:02:35,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:02:35,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:02:35,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:02:35,188 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:02:35,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c [2022-10-16 15:02:35,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700a1a473/6e80a137f1bb469cbad3a4f93c488a06/FLAG394466b80 [2022-10-16 15:02:35,956 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:02:35,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c [2022-10-16 15:02:35,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700a1a473/6e80a137f1bb469cbad3a4f93c488a06/FLAG394466b80 [2022-10-16 15:02:36,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700a1a473/6e80a137f1bb469cbad3a4f93c488a06 [2022-10-16 15:02:36,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:02:36,304 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:02:36,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:02:36,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:02:36,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:02:36,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e71ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36, skipping insertion in model container [2022-10-16 15:02:36,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:02:36,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:02:36,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c[12764,12777] [2022-10-16 15:02:36,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:02:36,637 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:02:36,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c[12764,12777] [2022-10-16 15:02:36,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:02:36,783 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:02:36,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36 WrapperNode [2022-10-16 15:02:36,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:02:36,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:02:36,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:02:36,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:02:36,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,857 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 475 [2022-10-16 15:02:36,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:02:36,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:02:36,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:02:36,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:02:36,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:02:36,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:02:36,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:02:36,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:02:36,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (1/1) ... [2022-10-16 15:02:36,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:02:36,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:02:36,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:02:36,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:02:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:02:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:02:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:02:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:02:37,204 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:02:37,206 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:02:38,000 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:02:38,016 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:02:38,016 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:02:38,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:02:38 BoogieIcfgContainer [2022-10-16 15:02:38,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:02:38,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:02:38,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:02:38,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:02:38,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:02:36" (1/3) ... [2022-10-16 15:02:38,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f15852a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:02:38, skipping insertion in model container [2022-10-16 15:02:38,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:02:36" (2/3) ... [2022-10-16 15:02:38,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f15852a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:02:38, skipping insertion in model container [2022-10-16 15:02:38,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:02:38" (3/3) ... [2022-10-16 15:02:38,034 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.4.ufo.BOUNDED-6.pals.c [2022-10-16 15:02:38,059 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:02:38,059 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 15:02:38,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:02:38,153 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;@a71191b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:02:38,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 15:02:38,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 163 states have (on average 1.803680981595092) internal successors, (294), 197 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:38,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:02:38,169 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:38,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:38,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:38,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:38,177 INFO L85 PathProgramCache]: Analyzing trace with hash -624302356, now seen corresponding path program 1 times [2022-10-16 15:02:38,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:38,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634763145] [2022-10-16 15:02:38,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:38,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:38,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:38,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:38,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634763145] [2022-10-16 15:02:38,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634763145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:38,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:38,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:02:38,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930866407] [2022-10-16 15:02:38,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:38,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:02:38,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:38,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:02:38,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:02:38,543 INFO L87 Difference]: Start difference. First operand has 198 states, 163 states have (on average 1.803680981595092) internal successors, (294), 197 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:38,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:38,588 INFO L93 Difference]: Finished difference Result 340 states and 486 transitions. [2022-10-16 15:02:38,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:02:38,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 15:02:38,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:38,611 INFO L225 Difference]: With dead ends: 340 [2022-10-16 15:02:38,612 INFO L226 Difference]: Without dead ends: 193 [2022-10-16 15:02:38,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:02:38,621 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:38,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:02:38,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-10-16 15:02:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-10-16 15:02:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 159 states have (on average 1.79874213836478) internal successors, (286), 192 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 286 transitions. [2022-10-16 15:02:38,676 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 286 transitions. Word has length 22 [2022-10-16 15:02:38,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:38,677 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 286 transitions. [2022-10-16 15:02:38,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 286 transitions. [2022-10-16 15:02:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:02:38,678 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:38,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:38,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:02:38,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:38,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:38,680 INFO L85 PathProgramCache]: Analyzing trace with hash -622455314, now seen corresponding path program 1 times [2022-10-16 15:02:38,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:38,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105968972] [2022-10-16 15:02:38,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:38,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:38,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:38,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:38,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105968972] [2022-10-16 15:02:38,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105968972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:38,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:38,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:02:38,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674533705] [2022-10-16 15:02:38,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:38,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:02:38,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:38,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:02:38,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:38,943 INFO L87 Difference]: Start difference. First operand 193 states and 286 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:39,111 INFO L93 Difference]: Finished difference Result 469 states and 658 transitions. [2022-10-16 15:02:39,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:02:39,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 15:02:39,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:39,117 INFO L225 Difference]: With dead ends: 469 [2022-10-16 15:02:39,117 INFO L226 Difference]: Without dead ends: 329 [2022-10-16 15:02:39,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:02:39,128 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 186 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:39,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 1095 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:02:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-10-16 15:02:39,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 193. [2022-10-16 15:02:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 159 states have (on average 1.628930817610063) internal successors, (259), 192 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 259 transitions. [2022-10-16 15:02:39,171 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 259 transitions. Word has length 22 [2022-10-16 15:02:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:39,171 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 259 transitions. [2022-10-16 15:02:39,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 259 transitions. [2022-10-16 15:02:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 15:02:39,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:39,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:39,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:02:39,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:39,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:39,179 INFO L85 PathProgramCache]: Analyzing trace with hash -163905851, now seen corresponding path program 1 times [2022-10-16 15:02:39,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:39,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11067544] [2022-10-16 15:02:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:39,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:39,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11067544] [2022-10-16 15:02:39,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11067544] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:39,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:39,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:39,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998254863] [2022-10-16 15:02:39,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:39,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:02:39,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:39,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:02:39,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:39,300 INFO L87 Difference]: Start difference. First operand 193 states and 259 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:39,326 INFO L93 Difference]: Finished difference Result 446 states and 597 transitions. [2022-10-16 15:02:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:02:39,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-16 15:02:39,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:39,330 INFO L225 Difference]: With dead ends: 446 [2022-10-16 15:02:39,330 INFO L226 Difference]: Without dead ends: 310 [2022-10-16 15:02:39,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:39,332 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 164 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:39,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 643 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:02:39,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-10-16 15:02:39,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 278. [2022-10-16 15:02:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 244 states have (on average 1.6885245901639345) internal successors, (412), 277 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 412 transitions. [2022-10-16 15:02:39,371 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 412 transitions. Word has length 48 [2022-10-16 15:02:39,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:39,371 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 412 transitions. [2022-10-16 15:02:39,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 412 transitions. [2022-10-16 15:02:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 15:02:39,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:39,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:39,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:02:39,375 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:39,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:39,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1653144761, now seen corresponding path program 1 times [2022-10-16 15:02:39,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:39,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601965094] [2022-10-16 15:02:39,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:39,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:39,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:39,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601965094] [2022-10-16 15:02:39,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601965094] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:39,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:39,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:39,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394715844] [2022-10-16 15:02:39,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:39,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:02:39,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:39,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:02:39,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:39,540 INFO L87 Difference]: Start difference. First operand 278 states and 412 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:39,599 INFO L93 Difference]: Finished difference Result 604 states and 892 transitions. [2022-10-16 15:02:39,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:02:39,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 15:02:39,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:39,603 INFO L225 Difference]: With dead ends: 604 [2022-10-16 15:02:39,603 INFO L226 Difference]: Without dead ends: 383 [2022-10-16 15:02:39,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:39,605 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 142 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:39,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 457 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:02:39,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-10-16 15:02:39,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 358. [2022-10-16 15:02:39,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 324 states have (on average 1.6882716049382716) internal successors, (547), 357 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 547 transitions. [2022-10-16 15:02:39,625 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 547 transitions. Word has length 52 [2022-10-16 15:02:39,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:39,625 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 547 transitions. [2022-10-16 15:02:39,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 547 transitions. [2022-10-16 15:02:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 15:02:39,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:39,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:39,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:02:39,628 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:39,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash 862601464, now seen corresponding path program 1 times [2022-10-16 15:02:39,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:39,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405587934] [2022-10-16 15:02:39,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:39,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:39,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:39,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405587934] [2022-10-16 15:02:39,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405587934] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:39,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:39,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:39,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743387981] [2022-10-16 15:02:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:39,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:02:39,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:02:39,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:39,736 INFO L87 Difference]: Start difference. First operand 358 states and 547 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:39,782 INFO L93 Difference]: Finished difference Result 903 states and 1397 transitions. [2022-10-16 15:02:39,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:02:39,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 15:02:39,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:39,787 INFO L225 Difference]: With dead ends: 903 [2022-10-16 15:02:39,787 INFO L226 Difference]: Without dead ends: 604 [2022-10-16 15:02:39,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:39,789 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 158 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:39,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 630 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:02:39,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-10-16 15:02:39,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 572. [2022-10-16 15:02:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 538 states have (on average 1.7174721189591078) internal successors, (924), 571 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 924 transitions. [2022-10-16 15:02:39,817 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 924 transitions. Word has length 54 [2022-10-16 15:02:39,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:39,818 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 924 transitions. [2022-10-16 15:02:39,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,818 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 924 transitions. [2022-10-16 15:02:39,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:02:39,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:39,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:39,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:02:39,820 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:39,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:39,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1344960634, now seen corresponding path program 1 times [2022-10-16 15:02:39,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:39,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809312829] [2022-10-16 15:02:39,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:39,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:39,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:39,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809312829] [2022-10-16 15:02:39,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809312829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:39,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:39,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:39,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71655257] [2022-10-16 15:02:39,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:39,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:02:39,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:39,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:02:39,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:39,933 INFO L87 Difference]: Start difference. First operand 572 states and 924 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:39,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:39,982 INFO L93 Difference]: Finished difference Result 1371 states and 2216 transitions. [2022-10-16 15:02:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:02:39,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 15:02:39,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:39,990 INFO L225 Difference]: With dead ends: 1371 [2022-10-16 15:02:39,990 INFO L226 Difference]: Without dead ends: 858 [2022-10-16 15:02:39,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:39,996 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 160 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:40,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 480 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:02:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2022-10-16 15:02:40,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 823. [2022-10-16 15:02:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 789 states have (on average 1.7198986058301649) internal successors, (1357), 822 states have internal predecessors, (1357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1357 transitions. [2022-10-16 15:02:40,037 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1357 transitions. Word has length 58 [2022-10-16 15:02:40,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:40,038 INFO L495 AbstractCegarLoop]: Abstraction has 823 states and 1357 transitions. [2022-10-16 15:02:40,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1357 transitions. [2022-10-16 15:02:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:02:40,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:40,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:40,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:02:40,041 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:40,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash 118833067, now seen corresponding path program 1 times [2022-10-16 15:02:40,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:40,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128233862] [2022-10-16 15:02:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:40,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:40,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:40,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128233862] [2022-10-16 15:02:40,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128233862] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:40,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:40,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:40,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877732677] [2022-10-16 15:02:40,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:40,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:02:40,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:40,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:02:40,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:40,154 INFO L87 Difference]: Start difference. First operand 823 states and 1357 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:40,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:40,220 INFO L93 Difference]: Finished difference Result 2176 states and 3619 transitions. [2022-10-16 15:02:40,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:02:40,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:02:40,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:40,233 INFO L225 Difference]: With dead ends: 2176 [2022-10-16 15:02:40,233 INFO L226 Difference]: Without dead ends: 1422 [2022-10-16 15:02:40,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:40,237 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 152 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:40,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 617 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:02:40,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2022-10-16 15:02:40,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1390. [2022-10-16 15:02:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1356 states have (on average 1.7286135693215339) internal successors, (2344), 1389 states have internal predecessors, (2344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 2344 transitions. [2022-10-16 15:02:40,301 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 2344 transitions. Word has length 60 [2022-10-16 15:02:40,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:40,302 INFO L495 AbstractCegarLoop]: Abstraction has 1390 states and 2344 transitions. [2022-10-16 15:02:40,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 2344 transitions. [2022-10-16 15:02:40,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:02:40,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:40,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:40,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:02:40,308 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:40,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:40,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1145263598, now seen corresponding path program 1 times [2022-10-16 15:02:40,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:40,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224864270] [2022-10-16 15:02:40,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:40,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:40,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:40,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224864270] [2022-10-16 15:02:40,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224864270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:40,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:40,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:40,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978062593] [2022-10-16 15:02:40,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:40,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:02:40,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:40,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:02:40,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:40,446 INFO L87 Difference]: Start difference. First operand 1390 states and 2344 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:40,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:40,556 INFO L93 Difference]: Finished difference Result 3410 states and 5760 transitions. [2022-10-16 15:02:40,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:02:40,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:02:40,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:40,569 INFO L225 Difference]: With dead ends: 3410 [2022-10-16 15:02:40,569 INFO L226 Difference]: Without dead ends: 2089 [2022-10-16 15:02:40,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:02:40,572 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 154 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:40,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 481 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:02:40,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2022-10-16 15:02:40,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2048. [2022-10-16 15:02:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2048 states, 2014 states have (on average 1.7234359483614696) internal successors, (3471), 2047 states have internal predecessors, (3471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 3471 transitions. [2022-10-16 15:02:40,660 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 3471 transitions. Word has length 63 [2022-10-16 15:02:40,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:40,661 INFO L495 AbstractCegarLoop]: Abstraction has 2048 states and 3471 transitions. [2022-10-16 15:02:40,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 3471 transitions. [2022-10-16 15:02:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:02:40,664 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:40,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:40,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:02:40,673 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:40,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:40,674 INFO L85 PathProgramCache]: Analyzing trace with hash 268225309, now seen corresponding path program 1 times [2022-10-16 15:02:40,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:40,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382856179] [2022-10-16 15:02:40,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:40,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:40,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:40,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382856179] [2022-10-16 15:02:40,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382856179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:40,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:40,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:40,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19615738] [2022-10-16 15:02:40,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:40,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:02:40,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:40,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:02:40,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:02:40,848 INFO L87 Difference]: Start difference. First operand 2048 states and 3471 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:41,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:41,166 INFO L93 Difference]: Finished difference Result 5335 states and 9090 transitions. [2022-10-16 15:02:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:02:41,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 15:02:41,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:41,214 INFO L225 Difference]: With dead ends: 5335 [2022-10-16 15:02:41,215 INFO L226 Difference]: Without dead ends: 5332 [2022-10-16 15:02:41,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:41,218 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 535 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:41,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 687 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:02:41,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2022-10-16 15:02:41,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 3983. [2022-10-16 15:02:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3983 states, 3949 states have (on average 1.713091922005571) internal successors, (6765), 3982 states have internal predecessors, (6765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:41,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 3983 states and 6765 transitions. [2022-10-16 15:02:41,446 INFO L78 Accepts]: Start accepts. Automaton has 3983 states and 6765 transitions. Word has length 65 [2022-10-16 15:02:41,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:41,446 INFO L495 AbstractCegarLoop]: Abstraction has 3983 states and 6765 transitions. [2022-10-16 15:02:41,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 6765 transitions. [2022-10-16 15:02:41,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:02:41,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:41,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:41,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:02:41,448 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:41,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:41,449 INFO L85 PathProgramCache]: Analyzing trace with hash -274949442, now seen corresponding path program 1 times [2022-10-16 15:02:41,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:41,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21923594] [2022-10-16 15:02:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:41,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:41,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:41,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21923594] [2022-10-16 15:02:41,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21923594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:41,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:41,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:41,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214035162] [2022-10-16 15:02:41,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:41,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:02:41,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:41,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:02:41,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:02:41,536 INFO L87 Difference]: Start difference. First operand 3983 states and 6765 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:41,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:41,839 INFO L93 Difference]: Finished difference Result 5301 states and 9018 transitions. [2022-10-16 15:02:41,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:02:41,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 15:02:41,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:41,868 INFO L225 Difference]: With dead ends: 5301 [2022-10-16 15:02:41,868 INFO L226 Difference]: Without dead ends: 5298 [2022-10-16 15:02:41,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:41,871 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 532 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:41,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 477 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:02:41,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5298 states. [2022-10-16 15:02:42,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5298 to 5270. [2022-10-16 15:02:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5270 states, 5236 states have (on average 1.69938884644767) internal successors, (8898), 5269 states have internal predecessors, (8898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:42,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5270 states to 5270 states and 8898 transitions. [2022-10-16 15:02:42,139 INFO L78 Accepts]: Start accepts. Automaton has 5270 states and 8898 transitions. Word has length 66 [2022-10-16 15:02:42,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:42,140 INFO L495 AbstractCegarLoop]: Abstraction has 5270 states and 8898 transitions. [2022-10-16 15:02:42,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand 5270 states and 8898 transitions. [2022-10-16 15:02:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:02:42,141 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:42,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:42,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:02:42,141 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:42,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:42,142 INFO L85 PathProgramCache]: Analyzing trace with hash 66502463, now seen corresponding path program 1 times [2022-10-16 15:02:42,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:42,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839299963] [2022-10-16 15:02:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:42,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:42,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:42,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839299963] [2022-10-16 15:02:42,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839299963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:42,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:42,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:02:42,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385416360] [2022-10-16 15:02:42,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:42,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:02:42,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:42,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:02:42,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:42,250 INFO L87 Difference]: Start difference. First operand 5270 states and 8898 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:43,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:43,050 INFO L93 Difference]: Finished difference Result 17462 states and 29478 transitions. [2022-10-16 15:02:43,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:02:43,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 15:02:43,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:43,105 INFO L225 Difference]: With dead ends: 17462 [2022-10-16 15:02:43,105 INFO L226 Difference]: Without dead ends: 12271 [2022-10-16 15:02:43,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:02:43,117 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1183 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:43,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 1361 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:02:43,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12271 states. [2022-10-16 15:02:43,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12271 to 9611. [2022-10-16 15:02:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9611 states, 9577 states have (on average 1.6749504020048032) internal successors, (16041), 9610 states have internal predecessors, (16041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9611 states to 9611 states and 16041 transitions. [2022-10-16 15:02:43,666 INFO L78 Accepts]: Start accepts. Automaton has 9611 states and 16041 transitions. Word has length 67 [2022-10-16 15:02:43,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:43,667 INFO L495 AbstractCegarLoop]: Abstraction has 9611 states and 16041 transitions. [2022-10-16 15:02:43,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 9611 states and 16041 transitions. [2022-10-16 15:02:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:02:43,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:43,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:43,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:02:43,668 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:43,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2061576928, now seen corresponding path program 1 times [2022-10-16 15:02:43,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:43,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023306463] [2022-10-16 15:02:43,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:43,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:43,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:43,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023306463] [2022-10-16 15:02:43,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023306463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:43,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:43,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:02:43,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103545229] [2022-10-16 15:02:43,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:43,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:02:43,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:43,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:02:43,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:43,895 INFO L87 Difference]: Start difference. First operand 9611 states and 16041 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:44,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:44,558 INFO L93 Difference]: Finished difference Result 12794 states and 21417 transitions. [2022-10-16 15:02:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:02:44,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:02:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:44,605 INFO L225 Difference]: With dead ends: 12794 [2022-10-16 15:02:44,605 INFO L226 Difference]: Without dead ends: 12791 [2022-10-16 15:02:44,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:02:44,611 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 1171 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:44,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 822 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:02:44,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12791 states. [2022-10-16 15:02:45,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12791 to 12713. [2022-10-16 15:02:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12713 states, 12679 states have (on average 1.6607776638536162) internal successors, (21057), 12712 states have internal predecessors, (21057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12713 states to 12713 states and 21057 transitions. [2022-10-16 15:02:45,281 INFO L78 Accepts]: Start accepts. Automaton has 12713 states and 21057 transitions. Word has length 68 [2022-10-16 15:02:45,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:45,281 INFO L495 AbstractCegarLoop]: Abstraction has 12713 states and 21057 transitions. [2022-10-16 15:02:45,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:45,282 INFO L276 IsEmpty]: Start isEmpty. Operand 12713 states and 21057 transitions. [2022-10-16 15:02:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:02:45,282 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:45,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:45,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:02:45,283 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:45,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:45,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1195522850, now seen corresponding path program 1 times [2022-10-16 15:02:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:45,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936282289] [2022-10-16 15:02:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:45,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:45,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:45,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936282289] [2022-10-16 15:02:45,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936282289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:45,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:45,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:45,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005484251] [2022-10-16 15:02:45,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:45,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:02:45,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:45,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:02:45,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:02:45,380 INFO L87 Difference]: Start difference. First operand 12713 states and 21057 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:46,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:46,462 INFO L93 Difference]: Finished difference Result 36111 states and 59643 transitions. [2022-10-16 15:02:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:02:46,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:02:46,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:46,537 INFO L225 Difference]: With dead ends: 36111 [2022-10-16 15:02:46,537 INFO L226 Difference]: Without dead ends: 23477 [2022-10-16 15:02:46,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:46,564 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 521 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:46,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 737 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:02:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23477 states. [2022-10-16 15:02:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23477 to 19619. [2022-10-16 15:02:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19619 states, 19585 states have (on average 1.6411539443451622) internal successors, (32142), 19618 states have internal predecessors, (32142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19619 states to 19619 states and 32142 transitions. [2022-10-16 15:02:47,569 INFO L78 Accepts]: Start accepts. Automaton has 19619 states and 32142 transitions. Word has length 70 [2022-10-16 15:02:47,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:47,570 INFO L495 AbstractCegarLoop]: Abstraction has 19619 states and 32142 transitions. [2022-10-16 15:02:47,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 19619 states and 32142 transitions. [2022-10-16 15:02:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:02:47,571 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:47,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:47,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:02:47,572 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:47,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:47,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1593496732, now seen corresponding path program 1 times [2022-10-16 15:02:47,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:47,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24613470] [2022-10-16 15:02:47,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:47,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:47,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:47,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24613470] [2022-10-16 15:02:47,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24613470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:47,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:47,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:47,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619684422] [2022-10-16 15:02:47,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:47,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:02:47,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:47,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:02:47,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:02:47,671 INFO L87 Difference]: Start difference. First operand 19619 states and 32142 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:48,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:48,597 INFO L93 Difference]: Finished difference Result 29078 states and 48030 transitions. [2022-10-16 15:02:48,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:02:48,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:02:48,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:48,675 INFO L225 Difference]: With dead ends: 29078 [2022-10-16 15:02:48,675 INFO L226 Difference]: Without dead ends: 29077 [2022-10-16 15:02:48,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:48,685 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 516 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:48,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 455 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:02:48,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29077 states. [2022-10-16 15:02:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29077 to 29000. [2022-10-16 15:02:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29000 states, 28966 states have (on average 1.6454118621832494) internal successors, (47661), 28999 states have internal predecessors, (47661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29000 states to 29000 states and 47661 transitions. [2022-10-16 15:02:50,065 INFO L78 Accepts]: Start accepts. Automaton has 29000 states and 47661 transitions. Word has length 71 [2022-10-16 15:02:50,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:50,065 INFO L495 AbstractCegarLoop]: Abstraction has 29000 states and 47661 transitions. [2022-10-16 15:02:50,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29000 states and 47661 transitions. [2022-10-16 15:02:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:02:50,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:50,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:50,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:02:50,068 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:50,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1952983942, now seen corresponding path program 1 times [2022-10-16 15:02:50,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:50,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656394640] [2022-10-16 15:02:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:50,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:50,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:50,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656394640] [2022-10-16 15:02:50,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656394640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:50,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:50,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:50,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444961276] [2022-10-16 15:02:50,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:50,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:02:50,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:50,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:02:50,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:02:50,302 INFO L87 Difference]: Start difference. First operand 29000 states and 47661 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:51,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:51,845 INFO L93 Difference]: Finished difference Result 77223 states and 127395 transitions. [2022-10-16 15:02:51,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:02:51,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:02:51,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:51,947 INFO L225 Difference]: With dead ends: 77223 [2022-10-16 15:02:51,947 INFO L226 Difference]: Without dead ends: 48302 [2022-10-16 15:02:51,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:51,988 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 526 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:51,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 733 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:02:52,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48302 states. [2022-10-16 15:02:53,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48302 to 40640. [2022-10-16 15:02:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40640 states, 40606 states have (on average 1.6352016943308871) internal successors, (66399), 40639 states have internal predecessors, (66399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40640 states to 40640 states and 66399 transitions. [2022-10-16 15:02:53,841 INFO L78 Accepts]: Start accepts. Automaton has 40640 states and 66399 transitions. Word has length 73 [2022-10-16 15:02:53,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:53,841 INFO L495 AbstractCegarLoop]: Abstraction has 40640 states and 66399 transitions. [2022-10-16 15:02:53,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 40640 states and 66399 transitions. [2022-10-16 15:02:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:02:53,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:53,843 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] [2022-10-16 15:02:53,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:02:53,843 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:53,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:53,844 INFO L85 PathProgramCache]: Analyzing trace with hash 412960647, now seen corresponding path program 1 times [2022-10-16 15:02:53,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:53,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48713619] [2022-10-16 15:02:53,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:53,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:53,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48713619] [2022-10-16 15:02:53,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48713619] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:53,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:53,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:53,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513927843] [2022-10-16 15:02:53,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:53,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:02:53,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:53,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:02:53,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:02:53,943 INFO L87 Difference]: Start difference. First operand 40640 states and 66399 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:55,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:02:55,689 INFO L93 Difference]: Finished difference Result 59444 states and 97734 transitions. [2022-10-16 15:02:55,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:02:55,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:02:55,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:02:55,786 INFO L225 Difference]: With dead ends: 59444 [2022-10-16 15:02:55,786 INFO L226 Difference]: Without dead ends: 59443 [2022-10-16 15:02:55,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:02:55,799 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 518 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:02:55,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 454 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:02:55,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59443 states. [2022-10-16 15:02:57,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59443 to 59276. [2022-10-16 15:02:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59276 states, 59242 states have (on average 1.6353600486141588) internal successors, (96882), 59275 states have internal predecessors, (96882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59276 states to 59276 states and 96882 transitions. [2022-10-16 15:02:58,138 INFO L78 Accepts]: Start accepts. Automaton has 59276 states and 96882 transitions. Word has length 74 [2022-10-16 15:02:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:02:58,139 INFO L495 AbstractCegarLoop]: Abstraction has 59276 states and 96882 transitions. [2022-10-16 15:02:58,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:02:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 59276 states and 96882 transitions. [2022-10-16 15:02:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:02:58,139 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:02:58,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:02:58,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:02:58,140 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:02:58,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:02:58,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1718209481, now seen corresponding path program 1 times [2022-10-16 15:02:58,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:02:58,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092102420] [2022-10-16 15:02:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:02:58,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:02:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:02:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:02:58,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:02:58,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092102420] [2022-10-16 15:02:58,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092102420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:02:58,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:02:58,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:02:58,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219159302] [2022-10-16 15:02:58,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:02:58,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:02:58,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:02:58,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:02:58,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:02:58,240 INFO L87 Difference]: Start difference. First operand 59276 states and 96882 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:02,182 INFO L93 Difference]: Finished difference Result 191775 states and 314575 transitions. [2022-10-16 15:03:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:02,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:03:02,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:02,410 INFO L225 Difference]: With dead ends: 191775 [2022-10-16 15:03:02,410 INFO L226 Difference]: Without dead ends: 132578 [2022-10-16 15:03:02,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:02,467 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 522 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:02,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 806 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:02,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132578 states. [2022-10-16 15:03:06,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132578 to 95630. [2022-10-16 15:03:06,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95630 states, 95596 states have (on average 1.6237917904514834) internal successors, (155228), 95629 states have internal predecessors, (155228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95630 states to 95630 states and 155228 transitions. [2022-10-16 15:03:06,869 INFO L78 Accepts]: Start accepts. Automaton has 95630 states and 155228 transitions. Word has length 76 [2022-10-16 15:03:06,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:06,869 INFO L495 AbstractCegarLoop]: Abstraction has 95630 states and 155228 transitions. [2022-10-16 15:03:06,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 95630 states and 155228 transitions. [2022-10-16 15:03:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:03:06,873 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:06,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:06,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:03:06,885 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:03:06,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:06,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1724886955, now seen corresponding path program 1 times [2022-10-16 15:03:06,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:06,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992205163] [2022-10-16 15:03:06,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:06,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:03:06,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:06,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992205163] [2022-10-16 15:03:06,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992205163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:06,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:06,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:06,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549364162] [2022-10-16 15:03:06,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:06,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:06,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:06,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:06,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:06,988 INFO L87 Difference]: Start difference. First operand 95630 states and 155228 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:11,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:11,260 INFO L93 Difference]: Finished difference Result 136385 states and 222172 transitions. [2022-10-16 15:03:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:03:11,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 15:03:11,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:11,620 INFO L225 Difference]: With dead ends: 136385 [2022-10-16 15:03:11,620 INFO L226 Difference]: Without dead ends: 136384 [2022-10-16 15:03:11,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:11,648 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 515 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:11,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 496 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136384 states. [2022-10-16 15:03:16,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136384 to 136058. [2022-10-16 15:03:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136058 states, 136024 states have (on average 1.6188613774039875) internal successors, (220204), 136057 states have internal predecessors, (220204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136058 states to 136058 states and 220204 transitions. [2022-10-16 15:03:17,454 INFO L78 Accepts]: Start accepts. Automaton has 136058 states and 220204 transitions. Word has length 77 [2022-10-16 15:03:17,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:17,454 INFO L495 AbstractCegarLoop]: Abstraction has 136058 states and 220204 transitions. [2022-10-16 15:03:17,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 136058 states and 220204 transitions. [2022-10-16 15:03:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 15:03:17,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:17,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:17,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:03:17,462 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:03:17,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:17,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1642343674, now seen corresponding path program 1 times [2022-10-16 15:03:17,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:17,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236399708] [2022-10-16 15:03:17,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:17,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:03:17,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:17,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236399708] [2022-10-16 15:03:17,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236399708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:17,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:17,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:17,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655004900] [2022-10-16 15:03:17,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:17,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:17,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:17,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:17,576 INFO L87 Difference]: Start difference. First operand 136058 states and 220204 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:27,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:27,756 INFO L93 Difference]: Finished difference Result 318576 states and 520365 transitions. [2022-10-16 15:03:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:27,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 15:03:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:28,430 INFO L225 Difference]: With dead ends: 318576 [2022-10-16 15:03:28,430 INFO L226 Difference]: Without dead ends: 318574 [2022-10-16 15:03:28,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:28,512 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 512 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:28,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 704 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:29,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318574 states. [2022-10-16 15:03:39,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318574 to 249012. [2022-10-16 15:03:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249012 states, 248978 states have (on average 1.6180465743961314) internal successors, (402858), 249011 states have internal predecessors, (402858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249012 states to 249012 states and 402858 transitions. [2022-10-16 15:03:40,778 INFO L78 Accepts]: Start accepts. Automaton has 249012 states and 402858 transitions. Word has length 87 [2022-10-16 15:03:40,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:40,779 INFO L495 AbstractCegarLoop]: Abstraction has 249012 states and 402858 transitions. [2022-10-16 15:03:40,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 249012 states and 402858 transitions. [2022-10-16 15:03:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:03:40,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:40,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:40,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:03:40,780 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:03:40,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:40,781 INFO L85 PathProgramCache]: Analyzing trace with hash -626953016, now seen corresponding path program 1 times [2022-10-16 15:03:40,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:40,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491208398] [2022-10-16 15:03:40,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:40,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:03:40,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:40,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491208398] [2022-10-16 15:03:40,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491208398] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:40,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:40,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:40,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381264424] [2022-10-16 15:03:40,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:40,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:40,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:40,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:40,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:40,882 INFO L87 Difference]: Start difference. First operand 249012 states and 402858 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:52,124 INFO L93 Difference]: Finished difference Result 323149 states and 525027 transitions. [2022-10-16 15:03:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:03:52,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 15:03:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:52,794 INFO L225 Difference]: With dead ends: 323149 [2022-10-16 15:03:52,794 INFO L226 Difference]: Without dead ends: 323147 [2022-10-16 15:03:52,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:52,886 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 507 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:52,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 503 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:53,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323147 states. [2022-10-16 15:04:06,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323147 to 323117. [2022-10-16 15:04:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323117 states, 323083 states have (on average 1.6109916027769955) internal successors, (520484), 323116 states have internal predecessors, (520484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323117 states to 323117 states and 520484 transitions. [2022-10-16 15:04:08,660 INFO L78 Accepts]: Start accepts. Automaton has 323117 states and 520484 transitions. Word has length 88 [2022-10-16 15:04:08,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:08,661 INFO L495 AbstractCegarLoop]: Abstraction has 323117 states and 520484 transitions. [2022-10-16 15:04:08,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:08,661 INFO L276 IsEmpty]: Start isEmpty. Operand 323117 states and 520484 transitions. [2022-10-16 15:04:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:04:08,664 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:08,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:08,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:04:08,664 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:04:08,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash -412474709, now seen corresponding path program 1 times [2022-10-16 15:04:08,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:08,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526540693] [2022-10-16 15:04:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:08,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:08,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:08,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526540693] [2022-10-16 15:04:08,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526540693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:08,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:08,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:04:08,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740330206] [2022-10-16 15:04:08,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:08,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:04:08,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:08,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:04:08,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:04:08,910 INFO L87 Difference]: Start difference. First operand 323117 states and 520484 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:23,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:23,055 INFO L93 Difference]: Finished difference Result 646183 states and 1040863 transitions. [2022-10-16 15:04:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:04:23,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 15:04:23,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:23,798 INFO L225 Difference]: With dead ends: 646183 [2022-10-16 15:04:23,798 INFO L226 Difference]: Without dead ends: 323145 [2022-10-16 15:04:24,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:04:24,054 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 367 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:24,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 625 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:24,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323145 states. [2022-10-16 15:04:41,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323145 to 323117. [2022-10-16 15:04:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323117 states, 323083 states have (on average 1.6057917005846796) internal successors, (518804), 323116 states have internal predecessors, (518804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323117 states to 323117 states and 518804 transitions. [2022-10-16 15:04:42,906 INFO L78 Accepts]: Start accepts. Automaton has 323117 states and 518804 transitions. Word has length 89 [2022-10-16 15:04:42,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:42,906 INFO L495 AbstractCegarLoop]: Abstraction has 323117 states and 518804 transitions. [2022-10-16 15:04:42,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 323117 states and 518804 transitions. [2022-10-16 15:04:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:04:42,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:42,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:42,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:04:42,907 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:04:42,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:42,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2039293628, now seen corresponding path program 1 times [2022-10-16 15:04:42,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:42,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745180837] [2022-10-16 15:04:42,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:42,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:43,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:43,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745180837] [2022-10-16 15:04:43,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745180837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:43,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:43,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:04:43,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678174408] [2022-10-16 15:04:43,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:43,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:04:43,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:43,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:04:43,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:04:43,717 INFO L87 Difference]: Start difference. First operand 323117 states and 518804 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:15,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:15,869 INFO L93 Difference]: Finished difference Result 1057376 states and 1703583 transitions. [2022-10-16 15:05:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:05:15,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 15:05:15,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:17,912 INFO L225 Difference]: With dead ends: 1057376 [2022-10-16 15:05:17,912 INFO L226 Difference]: Without dead ends: 734338 [2022-10-16 15:05:18,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:05:18,325 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1168 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:18,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1384 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:05:19,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734338 states. [2022-10-16 15:05:50,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734338 to 595308. [2022-10-16 15:05:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595308 states, 595274 states have (on average 1.5936929884389373) internal successors, (948684), 595307 states have internal predecessors, (948684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595308 states to 595308 states and 948684 transitions. [2022-10-16 15:05:56,794 INFO L78 Accepts]: Start accepts. Automaton has 595308 states and 948684 transitions. Word has length 89 [2022-10-16 15:05:56,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:56,794 INFO L495 AbstractCegarLoop]: Abstraction has 595308 states and 948684 transitions. [2022-10-16 15:05:56,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 595308 states and 948684 transitions. [2022-10-16 15:05:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:05:56,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:56,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:56,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:05:56,805 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:05:56,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:56,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1206406326, now seen corresponding path program 1 times [2022-10-16 15:05:56,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:56,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787978846] [2022-10-16 15:05:56,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:56,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:05:57,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:57,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787978846] [2022-10-16 15:05:57,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787978846] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:57,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:57,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:05:57,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173953922] [2022-10-16 15:05:57,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:57,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:05:57,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:57,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:05:57,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:05:57,082 INFO L87 Difference]: Start difference. First operand 595308 states and 948684 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)