/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.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:03:08,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:03:08,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:03:09,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:03:09,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:03:09,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:03:09,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:03:09,087 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 15:03:09,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:03:09,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:03:09,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:03:09,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:03:09,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:03:09,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:03:09,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:03:09,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:03:09,146 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:03:09,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:03:09,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:03:09,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:03:09,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:03:09,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:03:09,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:03:09,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:03:09,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:03:09,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:03:09,149 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:03:09,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:03:09,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:03:09,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:03:09,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:03:09,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:03:09,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:03:09,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:03:09,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:03:09,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:03:09,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:03:09,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:03:09,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:03:09,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:03:09,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:03:09,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:03:09,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:03:09,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:03:09,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:03:09,566 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:03:09,567 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:03:09,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:03:09,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53427cf36/8036b6a50e0d4de2ac5180b72ab28d4c/FLAGe31d74734 [2022-10-16 15:03:10,421 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:03:10,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:03:10,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53427cf36/8036b6a50e0d4de2ac5180b72ab28d4c/FLAGe31d74734 [2022-10-16 15:03:10,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53427cf36/8036b6a50e0d4de2ac5180b72ab28d4c [2022-10-16 15:03:10,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:03:10,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:03:10,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:03:10,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:03:10,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:03:10,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:03:10" (1/1) ... [2022-10-16 15:03:10,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f309df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:10, skipping insertion in model container [2022-10-16 15:03:10,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:03:10" (1/1) ... [2022-10-16 15:03:10,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:03:10,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:03:11,144 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.ufo.UNBOUNDED.pals.c[12966,12979] [2022-10-16 15:03:11,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:03:11,165 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:03:11,233 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.ufo.UNBOUNDED.pals.c[12966,12979] [2022-10-16 15:03:11,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:03:11,254 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:03:11,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11 WrapperNode [2022-10-16 15:03:11,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:03:11,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:03:11,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:03:11,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:03:11,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,358 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 475 [2022-10-16 15:03:11,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:03:11,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:03:11,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:03:11,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:03:11,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,436 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:03:11,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:03:11,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:03:11,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:03:11,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (1/1) ... [2022-10-16 15:03:11,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:03:11,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:03:11,501 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 15:03:11,524 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 15:03:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:03:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:03:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:03:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:03:11,792 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:03:11,798 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:03:12,794 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:03:12,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:03:12,820 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:03:12,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:03:12 BoogieIcfgContainer [2022-10-16 15:03:12,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:03:12,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:03:12,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:03:12,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:03:12,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:03:10" (1/3) ... [2022-10-16 15:03:12,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a8fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:03:12, skipping insertion in model container [2022-10-16 15:03:12,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:11" (2/3) ... [2022-10-16 15:03:12,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a8fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:03:12, skipping insertion in model container [2022-10-16 15:03:12,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:03:12" (3/3) ... [2022-10-16 15:03:12,839 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:03:12,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:03:12,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 15:03:12,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:03:12,984 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;@68e24fa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:03:12,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 15:03:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 164 states have (on average 1.8048780487804879) internal successors, (296), 196 states have internal predecessors, (296), 0 states have call successors, (0), 0 states 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 15:03:13,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 15:03:13,006 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:13,008 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] [2022-10-16 15:03:13,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:13,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:13,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2121463807, now seen corresponding path program 1 times [2022-10-16 15:03:13,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:13,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187474347] [2022-10-16 15:03:13,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:13,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:13,345 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 15:03:13,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:13,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187474347] [2022-10-16 15:03:13,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187474347] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:13,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:13,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:13,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939106144] [2022-10-16 15:03:13,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:13,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:03:13,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:13,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:03:13,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:03:13,409 INFO L87 Difference]: Start difference. First operand has 197 states, 164 states have (on average 1.8048780487804879) internal successors, (296), 196 states have internal predecessors, (296), 0 states have call successors, (0), 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 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states 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 15:03:13,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:13,454 INFO L93 Difference]: Finished difference Result 328 states and 487 transitions. [2022-10-16 15:03:13,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:03:13,457 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-10-16 15:03:13,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:13,471 INFO L225 Difference]: With dead ends: 328 [2022-10-16 15:03:13,471 INFO L226 Difference]: Without dead ends: 186 [2022-10-16 15:03:13,475 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 15:03:13,480 INFO L413 NwaCegarLoop]: 283 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, 283 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 15:03:13,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-10-16 15:03:13,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2022-10-16 15:03:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 160 states have (on average 1.7625) internal successors, (282), 185 states have internal predecessors, (282), 0 states have call successors, (0), 0 states 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 15:03:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 282 transitions. [2022-10-16 15:03:13,558 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 282 transitions. Word has length 23 [2022-10-16 15:03:13,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:13,559 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 282 transitions. [2022-10-16 15:03:13,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states 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 15:03:13,560 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 282 transitions. [2022-10-16 15:03:13,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 15:03:13,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:13,562 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] [2022-10-16 15:03:13,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:03:13,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:13,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:13,564 INFO L85 PathProgramCache]: Analyzing trace with hash -973714983, now seen corresponding path program 1 times [2022-10-16 15:03:13,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:13,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087978955] [2022-10-16 15:03:13,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:13,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:13,891 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 15:03:13,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:13,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087978955] [2022-10-16 15:03:13,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087978955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:13,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:13,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:03:13,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762082579] [2022-10-16 15:03:13,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:13,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:03:13,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:13,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:03:13,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:13,897 INFO L87 Difference]: Start difference. First operand 186 states and 282 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 15:03:14,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:14,062 INFO L93 Difference]: Finished difference Result 319 states and 466 transitions. [2022-10-16 15:03:14,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:14,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-10-16 15:03:14,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:14,066 INFO L225 Difference]: With dead ends: 319 [2022-10-16 15:03:14,066 INFO L226 Difference]: Without dead ends: 186 [2022-10-16 15:03:14,068 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 15:03:14,070 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 3 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:14,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1090 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:14,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-10-16 15:03:14,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2022-10-16 15:03:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 160 states have (on average 1.59375) internal successors, (255), 185 states have internal predecessors, (255), 0 states have call successors, (0), 0 states 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 15:03:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 255 transitions. [2022-10-16 15:03:14,090 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 255 transitions. Word has length 33 [2022-10-16 15:03:14,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:14,091 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 255 transitions. [2022-10-16 15:03:14,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 15:03:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 255 transitions. [2022-10-16 15:03:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:03:14,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:14,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:14,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:03:14,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:14,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:14,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2110634846, now seen corresponding path program 1 times [2022-10-16 15:03:14,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:14,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041930621] [2022-10-16 15:03:14,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:14,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:14,303 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 15:03:14,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:14,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041930621] [2022-10-16 15:03:14,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041930621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:14,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:14,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:14,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375371368] [2022-10-16 15:03:14,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:14,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:14,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:14,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:14,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:14,308 INFO L87 Difference]: Start difference. First operand 186 states and 255 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:14,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:14,370 INFO L93 Difference]: Finished difference Result 419 states and 582 transitions. [2022-10-16 15:03:14,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:14,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:03:14,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:14,374 INFO L225 Difference]: With dead ends: 419 [2022-10-16 15:03:14,374 INFO L226 Difference]: Without dead ends: 290 [2022-10-16 15:03:14,375 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 15:03:14,377 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 138 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:14,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 474 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-10-16 15:03:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 270. [2022-10-16 15:03:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 244 states have (on average 1.6147540983606556) internal successors, (394), 269 states have internal predecessors, (394), 0 states have call successors, (0), 0 states 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 15:03:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 394 transitions. [2022-10-16 15:03:14,403 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 394 transitions. Word has length 59 [2022-10-16 15:03:14,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:14,404 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 394 transitions. [2022-10-16 15:03:14,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:14,405 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 394 transitions. [2022-10-16 15:03:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:03:14,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:14,408 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] [2022-10-16 15:03:14,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:03:14,408 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:14,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:14,409 INFO L85 PathProgramCache]: Analyzing trace with hash -979917551, now seen corresponding path program 1 times [2022-10-16 15:03:14,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:14,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713663464] [2022-10-16 15:03:14,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:14,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:14,584 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 15:03:14,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:14,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713663464] [2022-10-16 15:03:14,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713663464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:14,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:14,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:14,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274241581] [2022-10-16 15:03:14,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:14,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:14,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:14,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:14,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:14,593 INFO L87 Difference]: Start difference. First operand 270 states and 394 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states 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 15:03:14,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:14,634 INFO L93 Difference]: Finished difference Result 682 states and 1006 transitions. [2022-10-16 15:03:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:14,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-16 15:03:14,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:14,639 INFO L225 Difference]: With dead ends: 682 [2022-10-16 15:03:14,639 INFO L226 Difference]: Without dead ends: 469 [2022-10-16 15:03:14,641 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 15:03:14,643 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 156 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:14,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 474 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:14,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-10-16 15:03:14,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 439. [2022-10-16 15:03:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 413 states have (on average 1.6440677966101696) internal successors, (679), 438 states have internal predecessors, (679), 0 states have call successors, (0), 0 states 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 15:03:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 679 transitions. [2022-10-16 15:03:14,674 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 679 transitions. Word has length 61 [2022-10-16 15:03:14,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:14,674 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 679 transitions. [2022-10-16 15:03:14,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states 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 15:03:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 679 transitions. [2022-10-16 15:03:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:03:14,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:14,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:14,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:03:14,678 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:14,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:14,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1836384960, now seen corresponding path program 1 times [2022-10-16 15:03:14,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:14,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827762807] [2022-10-16 15:03:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:14,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:14,794 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 15:03:14,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:14,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827762807] [2022-10-16 15:03:14,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827762807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:14,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:14,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:14,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579096430] [2022-10-16 15:03:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:14,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:14,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:14,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:14,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:14,798 INFO L87 Difference]: Start difference. First operand 439 states and 679 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 15:03:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:14,845 INFO L93 Difference]: Finished difference Result 1175 states and 1835 transitions. [2022-10-16 15:03:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:14,846 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 15:03:14,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:14,851 INFO L225 Difference]: With dead ends: 1175 [2022-10-16 15:03:14,851 INFO L226 Difference]: Without dead ends: 793 [2022-10-16 15:03:14,853 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 15:03:14,854 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 150 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:14,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 475 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:14,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2022-10-16 15:03:14,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 759. [2022-10-16 15:03:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 733 states have (on average 1.6575716234652114) internal successors, (1215), 758 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states 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 15:03:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1215 transitions. [2022-10-16 15:03:14,892 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1215 transitions. Word has length 63 [2022-10-16 15:03:14,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:14,893 INFO L495 AbstractCegarLoop]: Abstraction has 759 states and 1215 transitions. [2022-10-16 15:03:14,894 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 15:03:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1215 transitions. [2022-10-16 15:03:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:03:14,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:14,896 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 15:03:14,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:03:14,897 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:14,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:14,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1284076113, now seen corresponding path program 1 times [2022-10-16 15:03:14,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:14,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803750710] [2022-10-16 15:03:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:14,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:15,052 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 15:03:15,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:15,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803750710] [2022-10-16 15:03:15,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803750710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:15,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:15,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:15,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095077213] [2022-10-16 15:03:15,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:15,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:15,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:15,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:15,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:15,059 INFO L87 Difference]: Start difference. First operand 759 states and 1215 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 15:03:15,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:15,290 INFO L93 Difference]: Finished difference Result 1540 states and 2471 transitions. [2022-10-16 15:03:15,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:15,291 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 15:03:15,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:15,302 INFO L225 Difference]: With dead ends: 1540 [2022-10-16 15:03:15,303 INFO L226 Difference]: Without dead ends: 1537 [2022-10-16 15:03:15,304 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 15:03:15,307 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 523 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:15,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 748 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:03:15,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2022-10-16 15:03:15,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1294. [2022-10-16 15:03:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1268 states have (on average 1.662460567823344) internal successors, (2108), 1293 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states 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 15:03:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 2108 transitions. [2022-10-16 15:03:15,379 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 2108 transitions. Word has length 65 [2022-10-16 15:03:15,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:15,381 INFO L495 AbstractCegarLoop]: Abstraction has 1294 states and 2108 transitions. [2022-10-16 15:03:15,381 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 15:03:15,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 2108 transitions. [2022-10-16 15:03:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:03:15,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:15,385 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 15:03:15,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:03:15,385 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:15,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:15,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1151653250, now seen corresponding path program 1 times [2022-10-16 15:03:15,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:15,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431890613] [2022-10-16 15:03:15,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:15,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:15,520 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 15:03:15,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:15,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431890613] [2022-10-16 15:03:15,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431890613] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:15,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:15,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:15,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084460175] [2022-10-16 15:03:15,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:15,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:15,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:15,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:15,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:15,523 INFO L87 Difference]: Start difference. First operand 1294 states and 2108 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 15:03:15,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:15,739 INFO L93 Difference]: Finished difference Result 1514 states and 2451 transitions. [2022-10-16 15:03:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:03:15,740 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 15:03:15,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:15,749 INFO L225 Difference]: With dead ends: 1514 [2022-10-16 15:03:15,750 INFO L226 Difference]: Without dead ends: 1511 [2022-10-16 15:03:15,751 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 15:03:15,755 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 516 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:15,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 469 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:15,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-10-16 15:03:15,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1491. [2022-10-16 15:03:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1465 states have (on average 1.6525597269624572) internal successors, (2421), 1490 states have internal predecessors, (2421), 0 states have call successors, (0), 0 states 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 15:03:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2421 transitions. [2022-10-16 15:03:15,836 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2421 transitions. Word has length 66 [2022-10-16 15:03:15,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:15,836 INFO L495 AbstractCegarLoop]: Abstraction has 1491 states and 2421 transitions. [2022-10-16 15:03:15,836 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 15:03:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2421 transitions. [2022-10-16 15:03:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:03:15,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:15,840 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 15:03:15,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:03:15,844 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:15,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:15,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1341511791, now seen corresponding path program 1 times [2022-10-16 15:03:15,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:15,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584403562] [2022-10-16 15:03:15,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:15,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:16,040 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 15:03:16,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:16,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584403562] [2022-10-16 15:03:16,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584403562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:16,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:16,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:03:16,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120342970] [2022-10-16 15:03:16,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:16,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:03:16,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:16,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:03:16,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:16,044 INFO L87 Difference]: Start difference. First operand 1491 states and 2421 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 15:03:16,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:16,650 INFO L93 Difference]: Finished difference Result 4469 states and 7219 transitions. [2022-10-16 15:03:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:03:16,651 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 15:03:16,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:16,668 INFO L225 Difference]: With dead ends: 4469 [2022-10-16 15:03:16,668 INFO L226 Difference]: Without dead ends: 3035 [2022-10-16 15:03:16,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:03:16,673 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 997 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:16,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1583 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:03:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2022-10-16 15:03:16,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 2547. [2022-10-16 15:03:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2547 states, 2521 states have (on average 1.638635462118207) internal successors, (4131), 2546 states have internal predecessors, (4131), 0 states have call successors, (0), 0 states 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 15:03:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2547 states and 4131 transitions. [2022-10-16 15:03:16,799 INFO L78 Accepts]: Start accepts. Automaton has 2547 states and 4131 transitions. Word has length 67 [2022-10-16 15:03:16,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:16,799 INFO L495 AbstractCegarLoop]: Abstraction has 2547 states and 4131 transitions. [2022-10-16 15:03:16,799 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 15:03:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 4131 transitions. [2022-10-16 15:03:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:03:16,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:16,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:16,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:03:16,802 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:16,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:16,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1362808032, now seen corresponding path program 1 times [2022-10-16 15:03:16,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:16,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922482177] [2022-10-16 15:03:16,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:16,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:16,910 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 15:03:16,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:16,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922482177] [2022-10-16 15:03:16,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922482177] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:16,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:16,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:03:16,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028448000] [2022-10-16 15:03:16,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:16,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:03:16,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:16,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:03:16,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:16,913 INFO L87 Difference]: Start difference. First operand 2547 states and 4131 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 15:03:17,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:17,298 INFO L93 Difference]: Finished difference Result 3320 states and 5351 transitions. [2022-10-16 15:03:17,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:03:17,299 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 15:03:17,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:17,317 INFO L225 Difference]: With dead ends: 3320 [2022-10-16 15:03:17,317 INFO L226 Difference]: Without dead ends: 3317 [2022-10-16 15:03:17,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:03:17,320 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1030 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:17,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 871 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:03:17,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2022-10-16 15:03:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 3263. [2022-10-16 15:03:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 3237 states have (on average 1.6302131603336423) internal successors, (5277), 3262 states have internal predecessors, (5277), 0 states have call successors, (0), 0 states 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 15:03:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 5277 transitions. [2022-10-16 15:03:17,464 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 5277 transitions. Word has length 68 [2022-10-16 15:03:17,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:17,465 INFO L495 AbstractCegarLoop]: Abstraction has 3263 states and 5277 transitions. [2022-10-16 15:03:17,465 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 15:03:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 5277 transitions. [2022-10-16 15:03:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:03:17,466 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:17,466 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] [2022-10-16 15:03:17,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:03:17,467 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:17,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:17,468 INFO L85 PathProgramCache]: Analyzing trace with hash 871668582, now seen corresponding path program 1 times [2022-10-16 15:03:17,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:17,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010187463] [2022-10-16 15:03:17,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:17,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:17,524 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 15:03:17,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:17,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010187463] [2022-10-16 15:03:17,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010187463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:17,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:17,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:17,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850759040] [2022-10-16 15:03:17,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:17,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:17,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:17,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:17,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:17,527 INFO L87 Difference]: Start difference. First operand 3263 states and 5277 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:03:17,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:17,758 INFO L93 Difference]: Finished difference Result 7470 states and 12205 transitions. [2022-10-16 15:03:17,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:17,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 15:03:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:17,786 INFO L225 Difference]: With dead ends: 7470 [2022-10-16 15:03:17,787 INFO L226 Difference]: Without dead ends: 5151 [2022-10-16 15:03:17,791 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 15:03:17,792 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 160 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 605 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 15:03:17,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 605 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:17,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5151 states. [2022-10-16 15:03:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5151 to 5125. [2022-10-16 15:03:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5125 states, 5099 states have (on average 1.6389488134928418) internal successors, (8357), 5124 states have internal predecessors, (8357), 0 states have call successors, (0), 0 states 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 15:03:18,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5125 states to 5125 states and 8357 transitions. [2022-10-16 15:03:18,053 INFO L78 Accepts]: Start accepts. Automaton has 5125 states and 8357 transitions. Word has length 69 [2022-10-16 15:03:18,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:18,053 INFO L495 AbstractCegarLoop]: Abstraction has 5125 states and 8357 transitions. [2022-10-16 15:03:18,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:03:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 5125 states and 8357 transitions. [2022-10-16 15:03:18,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:03:18,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:18,055 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] [2022-10-16 15:03:18,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:03:18,055 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:18,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:18,056 INFO L85 PathProgramCache]: Analyzing trace with hash -373449690, now seen corresponding path program 1 times [2022-10-16 15:03:18,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:18,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954867992] [2022-10-16 15:03:18,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:18,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:18,113 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 15:03:18,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:18,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954867992] [2022-10-16 15:03:18,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954867992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:18,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:18,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:18,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65343290] [2022-10-16 15:03:18,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:18,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:18,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:18,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:18,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:18,115 INFO L87 Difference]: Start difference. First operand 5125 states and 8357 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:03:18,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:18,425 INFO L93 Difference]: Finished difference Result 11234 states and 18337 transitions. [2022-10-16 15:03:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:18,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 15:03:18,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:18,476 INFO L225 Difference]: With dead ends: 11234 [2022-10-16 15:03:18,477 INFO L226 Difference]: Without dead ends: 7833 [2022-10-16 15:03:18,486 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 15:03:18,487 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 154 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 618 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 15:03:18,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:18,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7833 states. [2022-10-16 15:03:18,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7833 to 7807. [2022-10-16 15:03:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7807 states, 7781 states have (on average 1.6359079809793087) internal successors, (12729), 7806 states have internal predecessors, (12729), 0 states have call successors, (0), 0 states 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 15:03:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7807 states to 7807 states and 12729 transitions. [2022-10-16 15:03:18,948 INFO L78 Accepts]: Start accepts. Automaton has 7807 states and 12729 transitions. Word has length 69 [2022-10-16 15:03:18,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:18,949 INFO L495 AbstractCegarLoop]: Abstraction has 7807 states and 12729 transitions. [2022-10-16 15:03:18,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:03:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 7807 states and 12729 transitions. [2022-10-16 15:03:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:03:18,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:18,950 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 15:03:18,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:03:18,951 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:18,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:18,952 INFO L85 PathProgramCache]: Analyzing trace with hash -306487454, now seen corresponding path program 1 times [2022-10-16 15:03:18,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:18,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136640184] [2022-10-16 15:03:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:18,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:19,043 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 15:03:19,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:19,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136640184] [2022-10-16 15:03:19,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136640184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:19,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:19,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:19,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993086206] [2022-10-16 15:03:19,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:19,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:19,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:19,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:19,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:19,046 INFO L87 Difference]: Start difference. First operand 7807 states and 12729 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 15:03:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:19,719 INFO L93 Difference]: Finished difference Result 20929 states and 34140 transitions. [2022-10-16 15:03:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:19,720 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 15:03:19,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:19,763 INFO L225 Difference]: With dead ends: 20929 [2022-10-16 15:03:19,763 INFO L226 Difference]: Without dead ends: 13191 [2022-10-16 15:03:19,777 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 15:03:19,778 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 509 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:19,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 595 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:19,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13191 states. [2022-10-16 15:03:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13191 to 11194. [2022-10-16 15:03:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11194 states, 11168 states have (on average 1.6226719197707737) internal successors, (18122), 11193 states have internal predecessors, (18122), 0 states have call successors, (0), 0 states 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 15:03:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11194 states to 11194 states and 18122 transitions. [2022-10-16 15:03:20,482 INFO L78 Accepts]: Start accepts. Automaton has 11194 states and 18122 transitions. Word has length 70 [2022-10-16 15:03:20,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:20,482 INFO L495 AbstractCegarLoop]: Abstraction has 11194 states and 18122 transitions. [2022-10-16 15:03:20,483 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 15:03:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 11194 states and 18122 transitions. [2022-10-16 15:03:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:03:20,484 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:20,484 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 15:03:20,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:03:20,485 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:20,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:20,485 INFO L85 PathProgramCache]: Analyzing trace with hash 514774280, now seen corresponding path program 1 times [2022-10-16 15:03:20,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:20,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746978828] [2022-10-16 15:03:20,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:03:20,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:20,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746978828] [2022-10-16 15:03:20,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746978828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:20,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:20,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:20,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329699005] [2022-10-16 15:03:20,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:20,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:20,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:20,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:20,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:20,553 INFO L87 Difference]: Start difference. First operand 11194 states and 18122 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:21,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:21,243 INFO L93 Difference]: Finished difference Result 22737 states and 36862 transitions. [2022-10-16 15:03:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:21,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:03:21,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:21,305 INFO L225 Difference]: With dead ends: 22737 [2022-10-16 15:03:21,305 INFO L226 Difference]: Without dead ends: 16268 [2022-10-16 15:03:21,327 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 15:03:21,328 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 148 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 605 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 15:03:21,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 605 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:21,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16268 states. [2022-10-16 15:03:22,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16268 to 16242. [2022-10-16 15:03:22,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16242 states, 16216 states have (on average 1.618771583621115) internal successors, (26250), 16241 states have internal predecessors, (26250), 0 states have call successors, (0), 0 states 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 15:03:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16242 states to 16242 states and 26250 transitions. [2022-10-16 15:03:22,308 INFO L78 Accepts]: Start accepts. Automaton has 16242 states and 26250 transitions. Word has length 71 [2022-10-16 15:03:22,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:22,308 INFO L495 AbstractCegarLoop]: Abstraction has 16242 states and 26250 transitions. [2022-10-16 15:03:22,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 16242 states and 26250 transitions. [2022-10-16 15:03:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:03:22,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:22,310 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 15:03:22,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:03:22,311 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:22,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:22,312 INFO L85 PathProgramCache]: Analyzing trace with hash -911175882, now seen corresponding path program 1 times [2022-10-16 15:03:22,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:22,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245435841] [2022-10-16 15:03:22,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:22,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:22,452 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 15:03:22,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:22,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245435841] [2022-10-16 15:03:22,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245435841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:22,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:22,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:22,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652282516] [2022-10-16 15:03:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:22,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:22,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:22,456 INFO L87 Difference]: Start difference. First operand 16242 states and 26250 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 15:03:23,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:23,773 INFO L93 Difference]: Finished difference Result 23107 states and 37755 transitions. [2022-10-16 15:03:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:03:23,774 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 15:03:23,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:23,842 INFO L225 Difference]: With dead ends: 23107 [2022-10-16 15:03:23,842 INFO L226 Difference]: Without dead ends: 23106 [2022-10-16 15:03:23,849 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 15:03:23,850 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 503 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:23,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 445 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:23,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23106 states. [2022-10-16 15:03:24,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23106 to 23037. [2022-10-16 15:03:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23037 states, 23011 states have (on average 1.6273086784581288) internal successors, (37446), 23036 states have internal predecessors, (37446), 0 states have call successors, (0), 0 states 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 15:03:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23037 states to 23037 states and 37446 transitions. [2022-10-16 15:03:25,096 INFO L78 Accepts]: Start accepts. Automaton has 23037 states and 37446 transitions. Word has length 71 [2022-10-16 15:03:25,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:25,099 INFO L495 AbstractCegarLoop]: Abstraction has 23037 states and 37446 transitions. [2022-10-16 15:03:25,099 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 15:03:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 23037 states and 37446 transitions. [2022-10-16 15:03:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:03:25,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:25,100 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 15:03:25,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:03:25,100 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:25,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:25,101 INFO L85 PathProgramCache]: Analyzing trace with hash 533325080, now seen corresponding path program 1 times [2022-10-16 15:03:25,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:25,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409741984] [2022-10-16 15:03:25,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:25,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:25,202 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 15:03:25,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:25,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409741984] [2022-10-16 15:03:25,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409741984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:25,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:25,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:25,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018605150] [2022-10-16 15:03:25,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:25,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:25,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:25,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:25,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:25,205 INFO L87 Difference]: Start difference. First operand 23037 states and 37446 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 15:03:27,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:27,104 INFO L93 Difference]: Finished difference Result 60611 states and 98932 transitions. [2022-10-16 15:03:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:27,105 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 15:03:27,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:27,242 INFO L225 Difference]: With dead ends: 60611 [2022-10-16 15:03:27,242 INFO L226 Difference]: Without dead ends: 37653 [2022-10-16 15:03:27,285 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 15:03:27,286 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 514 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 715 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 15:03:27,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 715 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:03:27,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37653 states. [2022-10-16 15:03:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37653 to 32088. [2022-10-16 15:03:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32088 states, 32062 states have (on average 1.617584679683114) internal successors, (51863), 32087 states have internal predecessors, (51863), 0 states have call successors, (0), 0 states 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 15:03:29,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32088 states to 32088 states and 51863 transitions. [2022-10-16 15:03:29,079 INFO L78 Accepts]: Start accepts. Automaton has 32088 states and 51863 transitions. Word has length 73 [2022-10-16 15:03:29,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:29,079 INFO L495 AbstractCegarLoop]: Abstraction has 32088 states and 51863 transitions. [2022-10-16 15:03:29,079 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 15:03:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 32088 states and 51863 transitions. [2022-10-16 15:03:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:03:29,080 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:29,081 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 15:03:29,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:03:29,081 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:29,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:29,082 INFO L85 PathProgramCache]: Analyzing trace with hash -646791097, now seen corresponding path program 1 times [2022-10-16 15:03:29,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:29,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119476370] [2022-10-16 15:03:29,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:29,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:29,202 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 15:03:29,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:29,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119476370] [2022-10-16 15:03:29,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119476370] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:29,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:29,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:29,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951283374] [2022-10-16 15:03:29,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:29,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:29,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:29,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:29,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:29,208 INFO L87 Difference]: Start difference. First operand 32088 states and 51863 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 15:03:30,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:30,970 INFO L93 Difference]: Finished difference Result 46831 states and 76178 transitions. [2022-10-16 15:03:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:03:30,970 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 15:03:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:31,114 INFO L225 Difference]: With dead ends: 46831 [2022-10-16 15:03:31,114 INFO L226 Difference]: Without dead ends: 46830 [2022-10-16 15:03:31,131 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 15:03:31,132 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 508 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:31,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 448 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:03:31,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46830 states. [2022-10-16 15:03:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46830 to 46707. [2022-10-16 15:03:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46707 states, 46681 states have (on average 1.6184100597673572) internal successors, (75549), 46706 states have internal predecessors, (75549), 0 states have call successors, (0), 0 states 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 15:03:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46707 states to 46707 states and 75549 transitions. [2022-10-16 15:03:33,344 INFO L78 Accepts]: Start accepts. Automaton has 46707 states and 75549 transitions. Word has length 74 [2022-10-16 15:03:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:33,346 INFO L495 AbstractCegarLoop]: Abstraction has 46707 states and 75549 transitions. [2022-10-16 15:03:33,346 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 15:03:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 46707 states and 75549 transitions. [2022-10-16 15:03:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:03:33,349 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:33,349 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 15:03:33,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:03:33,350 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:33,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:33,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1204033225, now seen corresponding path program 1 times [2022-10-16 15:03:33,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:33,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286601274] [2022-10-16 15:03:33,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:33,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:33,468 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 15:03:33,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:33,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286601274] [2022-10-16 15:03:33,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286601274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:33,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:33,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:33,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868454403] [2022-10-16 15:03:33,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:33,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:33,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:33,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:33,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:33,471 INFO L87 Difference]: Start difference. First operand 46707 states and 75549 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 15:03:36,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:36,793 INFO L93 Difference]: Finished difference Result 150721 states and 244511 transitions. [2022-10-16 15:03:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:36,794 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 15:03:36,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:37,062 INFO L225 Difference]: With dead ends: 150721 [2022-10-16 15:03:37,062 INFO L226 Difference]: Without dead ends: 104093 [2022-10-16 15:03:37,145 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 15:03:37,147 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 510 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:37,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 743 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:37,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104093 states. [2022-10-16 15:03:40,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104093 to 75182. [2022-10-16 15:03:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75182 states, 75156 states have (on average 1.606844430251743) internal successors, (120764), 75181 states have internal predecessors, (120764), 0 states have call successors, (0), 0 states 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 15:03:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75182 states to 75182 states and 120764 transitions. [2022-10-16 15:03:41,158 INFO L78 Accepts]: Start accepts. Automaton has 75182 states and 120764 transitions. Word has length 76 [2022-10-16 15:03:41,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:41,158 INFO L495 AbstractCegarLoop]: Abstraction has 75182 states and 120764 transitions. [2022-10-16 15:03:41,159 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 15:03:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 75182 states and 120764 transitions. [2022-10-16 15:03:41,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:03:41,159 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:41,160 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 15:03:41,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:03:41,160 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:41,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:41,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1329675075, now seen corresponding path program 1 times [2022-10-16 15:03:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:41,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001591686] [2022-10-16 15:03:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:41,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:41,335 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 15:03:41,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:41,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001591686] [2022-10-16 15:03:41,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001591686] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:41,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:41,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:41,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588503742] [2022-10-16 15:03:41,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:41,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:41,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:41,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:41,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:41,337 INFO L87 Difference]: Start difference. First operand 75182 states and 120764 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 15:03:44,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:44,686 INFO L93 Difference]: Finished difference Result 107475 states and 173118 transitions. [2022-10-16 15:03:44,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:03:44,686 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 15:03:44,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:45,010 INFO L225 Difference]: With dead ends: 107475 [2022-10-16 15:03:45,010 INFO L226 Difference]: Without dead ends: 107474 [2022-10-16 15:03:45,037 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 15:03:45,038 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 510 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:45,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 488 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107474 states. [2022-10-16 15:03:49,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107474 to 107232. [2022-10-16 15:03:49,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107232 states, 107206 states have (on average 1.601281644684066) internal successors, (171667), 107231 states have internal predecessors, (171667), 0 states have call successors, (0), 0 states 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 15:03:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107232 states to 107232 states and 171667 transitions. [2022-10-16 15:03:49,798 INFO L78 Accepts]: Start accepts. Automaton has 107232 states and 171667 transitions. Word has length 77 [2022-10-16 15:03:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:49,798 INFO L495 AbstractCegarLoop]: Abstraction has 107232 states and 171667 transitions. [2022-10-16 15:03:49,798 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 15:03:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 107232 states and 171667 transitions. [2022-10-16 15:03:49,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 15:03:49,799 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:49,799 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 15:03:49,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:03:49,799 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:03:49,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:49,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1200488140, now seen corresponding path program 1 times [2022-10-16 15:03:49,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:49,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916153126] [2022-10-16 15:03:49,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:49,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:49,897 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 15:03:49,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:49,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916153126] [2022-10-16 15:03:49,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916153126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:49,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:49,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:49,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557880178] [2022-10-16 15:03:49,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:49,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:03:49,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:49,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:03:49,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:03:49,900 INFO L87 Difference]: Start difference. First operand 107232 states and 171667 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 15:03:58,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:58,601 INFO L93 Difference]: Finished difference Result 245036 states and 396807 transitions. [2022-10-16 15:03:58,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:58,601 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 15:03:58,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:59,150 INFO L225 Difference]: With dead ends: 245036 [2022-10-16 15:03:59,150 INFO L226 Difference]: Without dead ends: 245034 [2022-10-16 15:03:59,226 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 15:03:59,227 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 500 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:59,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 778 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:03:59,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245034 states. [2022-10-16 15:04:07,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245034 to 194420. [2022-10-16 15:04:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194420 states, 194394 states have (on average 1.6002860170581397) internal successors, (311086), 194419 states have internal predecessors, (311086), 0 states have call successors, (0), 0 states 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 15:04:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194420 states to 194420 states and 311086 transitions. [2022-10-16 15:04:08,705 INFO L78 Accepts]: Start accepts. Automaton has 194420 states and 311086 transitions. Word has length 87 [2022-10-16 15:04:08,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:08,706 INFO L495 AbstractCegarLoop]: Abstraction has 194420 states and 311086 transitions. [2022-10-16 15:04:08,706 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 15:04:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 194420 states and 311086 transitions. [2022-10-16 15:04:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:04:08,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:08,707 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 15:04:08,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:04:08,707 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:04:08,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:08,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1439572664, now seen corresponding path program 1 times [2022-10-16 15:04:08,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:08,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246188362] [2022-10-16 15:04:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:08,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:08,804 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 15:04:08,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:08,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246188362] [2022-10-16 15:04:08,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246188362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:08,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:08,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:08,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811425323] [2022-10-16 15:04:08,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:08,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:04:08,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:08,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:04:08,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:04:08,807 INFO L87 Difference]: Start difference. First operand 194420 states and 311086 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 15:04:17,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:17,788 INFO L93 Difference]: Finished difference Result 248320 states and 399566 transitions. [2022-10-16 15:04:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:04:17,788 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 15:04:17,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:18,548 INFO L225 Difference]: With dead ends: 248320 [2022-10-16 15:04:18,548 INFO L226 Difference]: Without dead ends: 248318 [2022-10-16 15:04:18,610 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 15:04:18,611 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 493 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:18,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 495 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:18,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248318 states. [2022-10-16 15:04:29,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248318 to 248296. [2022-10-16 15:04:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248296 states, 248270 states have (on average 1.5922302332138398) internal successors, (395303), 248295 states have internal predecessors, (395303), 0 states have call successors, (0), 0 states 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 15:04:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248296 states to 248296 states and 395303 transitions. [2022-10-16 15:04:30,348 INFO L78 Accepts]: Start accepts. Automaton has 248296 states and 395303 transitions. Word has length 88 [2022-10-16 15:04:30,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:30,348 INFO L495 AbstractCegarLoop]: Abstraction has 248296 states and 395303 transitions. [2022-10-16 15:04:30,348 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 15:04:30,348 INFO L276 IsEmpty]: Start isEmpty. Operand 248296 states and 395303 transitions. [2022-10-16 15:04:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:04:30,351 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:30,351 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 15:04:30,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:04:30,351 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:04:30,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:30,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1677078962, now seen corresponding path program 1 times [2022-10-16 15:04:30,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:30,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870116583] [2022-10-16 15:04:30,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:30,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:31,066 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 15:04:31,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:31,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870116583] [2022-10-16 15:04:31,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870116583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:31,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:31,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:04:31,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907821015] [2022-10-16 15:04:31,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:31,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:04:31,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:31,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:04:31,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:04:31,068 INFO L87 Difference]: Start difference. First operand 248296 states and 395303 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 15:04:54,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:54,133 INFO L93 Difference]: Finished difference Result 793048 states and 1269497 transitions. [2022-10-16 15:04:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:04:54,134 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 15:04:54,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:55,777 INFO L225 Difference]: With dead ends: 793048 [2022-10-16 15:04:55,777 INFO L226 Difference]: Without dead ends: 558388 [2022-10-16 15:04:56,123 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 15:04:56,131 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 1024 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:56,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 1604 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:04:56,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558388 states. [2022-10-16 15:05:19,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558388 to 457150. [2022-10-16 15:05:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457150 states, 457124 states have (on average 1.57597500896912) internal successors, (720416), 457149 states have internal predecessors, (720416), 0 states have call successors, (0), 0 states 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 15:05:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457150 states to 457150 states and 720416 transitions. [2022-10-16 15:05:24,637 INFO L78 Accepts]: Start accepts. Automaton has 457150 states and 720416 transitions. Word has length 89 [2022-10-16 15:05:24,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:24,638 INFO L495 AbstractCegarLoop]: Abstraction has 457150 states and 720416 transitions. [2022-10-16 15:05:24,638 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 15:05:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 457150 states and 720416 transitions. [2022-10-16 15:05:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:05:24,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:24,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:24,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:05:24,654 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 15:05:24,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:24,656 INFO L85 PathProgramCache]: Analyzing trace with hash -449839606, now seen corresponding path program 1 times [2022-10-16 15:05:24,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:24,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306009024] [2022-10-16 15:05:24,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:24,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:24,914 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 15:05:24,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:24,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306009024] [2022-10-16 15:05:24,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306009024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:24,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:24,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:05:24,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514408070] [2022-10-16 15:05:24,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:24,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:05:24,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:24,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:05:24,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:05:24,917 INFO L87 Difference]: Start difference. First operand 457150 states and 720416 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:49,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:49,794 INFO L93 Difference]: Finished difference Result 608631 states and 964689 transitions. [2022-10-16 15:05:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:05:49,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 15:05:49,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:51,828 INFO L225 Difference]: With dead ends: 608631 [2022-10-16 15:05:51,828 INFO L226 Difference]: Without dead ends: 608629 [2022-10-16 15:05:52,054 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 15:05:52,055 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 982 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:52,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 950 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:05:52,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608629 states. [2022-10-16 15:06:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608629 to 608567. [2022-10-16 15:06:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608567 states, 608541 states have (on average 1.5661031877884974) internal successors, (953038), 608566 states have internal predecessors, (953038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)