/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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:22:08,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:22:08,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:22:08,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:22:08,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:22:08,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:22:08,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:22:08,919 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 15:22:08,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:22:08,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:22:08,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:22:08,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:22:08,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:22:08,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:22:08,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:22:08,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:22:08,981 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:22:08,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:22:08,982 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:22:08,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:22:08,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:22:08,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:22:08,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:22:08,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:22:08,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:22:08,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:22:08,984 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:22:08,984 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:22:08,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:22:08,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:22:08,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:22:08,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:22:08,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:22:08,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:22:08,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:22:08,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:22:08,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:22:08,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:22:08,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:22:08,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:22:08,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:22:08,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:22:09,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:22:09,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:22:09,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:22:09,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:22:09,436 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:22:09,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c [2022-10-16 15:22:09,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ae410eb/3fa01ba67431456082959f9b0b685126/FLAGca20e447f [2022-10-16 15:22:10,174 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:22:10,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c [2022-10-16 15:22:10,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ae410eb/3fa01ba67431456082959f9b0b685126/FLAGca20e447f [2022-10-16 15:22:10,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ae410eb/3fa01ba67431456082959f9b0b685126 [2022-10-16 15:22:10,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:22:10,526 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:22:10,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:22:10,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:22:10,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:22:10,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:22:10" (1/1) ... [2022-10-16 15:22:10,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e95ccc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:10, skipping insertion in model container [2022-10-16 15:22:10,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:22:10" (1/1) ... [2022-10-16 15:22:10,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:22:10,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:22:10,922 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c[14373,14386] [2022-10-16 15:22:10,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:22:10,936 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:22:11,047 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c[14373,14386] [2022-10-16 15:22:11,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:22:11,068 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:22:11,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11 WrapperNode [2022-10-16 15:22:11,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:22:11,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:22:11,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:22:11,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:22:11,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,136 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 513 [2022-10-16 15:22:11,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:22:11,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:22:11,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:22:11,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:22:11,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,216 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:22:11,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:22:11,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:22:11,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:22:11,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (1/1) ... [2022-10-16 15:22:11,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:22:11,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:22:11,267 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 15:22:11,286 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 15:22:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:22:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:22:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:22:11,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:22:11,545 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:22:11,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:22:12,282 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:22:12,295 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:22:12,295 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:22:12,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:22:12 BoogieIcfgContainer [2022-10-16 15:22:12,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:22:12,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:22:12,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:22:12,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:22:12,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:22:10" (1/3) ... [2022-10-16 15:22:12,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a52ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:22:12, skipping insertion in model container [2022-10-16 15:22:12,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:22:11" (2/3) ... [2022-10-16 15:22:12,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a52ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:22:12, skipping insertion in model container [2022-10-16 15:22:12,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:22:12" (3/3) ... [2022-10-16 15:22:12,308 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c [2022-10-16 15:22:12,339 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:22:12,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 15:22:12,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:22:12,444 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;@5170fee1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:22:12,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 15:22:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 175 states have (on average 1.8) internal successors, (315), 209 states have internal predecessors, (315), 0 states have call successors, (0), 0 states 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 15:22:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:22:12,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:12,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:12,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:12,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:12,473 INFO L85 PathProgramCache]: Analyzing trace with hash 9211884, now seen corresponding path program 1 times [2022-10-16 15:22:12,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:12,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620847428] [2022-10-16 15:22:12,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:12,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:12,878 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 15:22:12,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:12,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620847428] [2022-10-16 15:22:12,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620847428] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:12,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:12,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:22:12,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957180243] [2022-10-16 15:22:12,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:12,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:22:12,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:12,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:22:12,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:22:12,944 INFO L87 Difference]: Start difference. First operand has 210 states, 175 states have (on average 1.8) internal successors, (315), 209 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:13,002 INFO L93 Difference]: Finished difference Result 361 states and 522 transitions. [2022-10-16 15:22:13,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:22:13,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 15:22:13,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:13,019 INFO L225 Difference]: With dead ends: 361 [2022-10-16 15:22:13,019 INFO L226 Difference]: Without dead ends: 205 [2022-10-16 15:22:13,024 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 15:22:13,029 INFO L413 NwaCegarLoop]: 312 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, 312 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 15:22:13,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-16 15:22:13,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-10-16 15:22:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 171 states have (on average 1.7953216374269005) internal successors, (307), 204 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 15:22:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 307 transitions. [2022-10-16 15:22:13,099 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 307 transitions. Word has length 22 [2022-10-16 15:22:13,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:13,102 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 307 transitions. [2022-10-16 15:22:13,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,107 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 307 transitions. [2022-10-16 15:22:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 15:22:13,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:13,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:13,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:22:13,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:13,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:13,110 INFO L85 PathProgramCache]: Analyzing trace with hash 11058926, now seen corresponding path program 1 times [2022-10-16 15:22:13,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:13,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491641430] [2022-10-16 15:22:13,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:13,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:13,394 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 15:22:13,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:13,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491641430] [2022-10-16 15:22:13,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491641430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:13,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:13,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:22:13,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002914849] [2022-10-16 15:22:13,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:13,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:22:13,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:13,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:22:13,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:13,399 INFO L87 Difference]: Start difference. First operand 205 states and 307 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:13,500 INFO L93 Difference]: Finished difference Result 354 states and 510 transitions. [2022-10-16 15:22:13,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:13,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 15:22:13,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:13,504 INFO L225 Difference]: With dead ends: 354 [2022-10-16 15:22:13,504 INFO L226 Difference]: Without dead ends: 205 [2022-10-16 15:22:13,505 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 15:22:13,507 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 3 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:13,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1187 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-16 15:22:13,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-10-16 15:22:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 171 states have (on average 1.6198830409356726) internal successors, (277), 204 states have internal predecessors, (277), 0 states have call successors, (0), 0 states 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 15:22:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2022-10-16 15:22:13,550 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 22 [2022-10-16 15:22:13,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:13,550 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2022-10-16 15:22:13,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2022-10-16 15:22:13,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 15:22:13,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:13,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:13,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:22:13,553 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:13,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:13,555 INFO L85 PathProgramCache]: Analyzing trace with hash -181065752, now seen corresponding path program 1 times [2022-10-16 15:22:13,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:13,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580287352] [2022-10-16 15:22:13,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:13,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:13,818 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 15:22:13,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:13,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580287352] [2022-10-16 15:22:13,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580287352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:13,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:13,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:13,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743676696] [2022-10-16 15:22:13,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:13,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:13,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:13,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:13,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:13,824 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:13,862 INFO L93 Difference]: Finished difference Result 473 states and 640 transitions. [2022-10-16 15:22:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:13,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 15:22:13,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:13,867 INFO L225 Difference]: With dead ends: 473 [2022-10-16 15:22:13,867 INFO L226 Difference]: Without dead ends: 328 [2022-10-16 15:22:13,868 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 15:22:13,870 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 178 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 682 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 15:22:13,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 682 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:13,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-10-16 15:22:13,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 296. [2022-10-16 15:22:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 262 states have (on average 1.6793893129770991) internal successors, (440), 295 states have internal predecessors, (440), 0 states have call successors, (0), 0 states 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 15:22:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 440 transitions. [2022-10-16 15:22:13,893 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 440 transitions. Word has length 51 [2022-10-16 15:22:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:13,894 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 440 transitions. [2022-10-16 15:22:13,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 440 transitions. [2022-10-16 15:22:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:22:13,897 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:13,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:13,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:22:13,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:13,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:13,898 INFO L85 PathProgramCache]: Analyzing trace with hash -711164714, now seen corresponding path program 1 times [2022-10-16 15:22:13,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:13,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895968520] [2022-10-16 15:22:13,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:13,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:14,043 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 15:22:14,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:14,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895968520] [2022-10-16 15:22:14,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895968520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:14,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:14,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:14,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419023384] [2022-10-16 15:22:14,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:14,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:14,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:14,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:14,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:14,048 INFO L87 Difference]: Start difference. First operand 296 states and 440 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:14,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:14,107 INFO L93 Difference]: Finished difference Result 651 states and 969 transitions. [2022-10-16 15:22:14,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:14,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 15:22:14,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:14,111 INFO L225 Difference]: With dead ends: 651 [2022-10-16 15:22:14,111 INFO L226 Difference]: Without dead ends: 415 [2022-10-16 15:22:14,113 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 15:22:14,115 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 156 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:14,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 500 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:14,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2022-10-16 15:22:14,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2022-10-16 15:22:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 356 states have (on average 1.6825842696629214) internal successors, (599), 389 states have internal predecessors, (599), 0 states have call successors, (0), 0 states 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 15:22:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 599 transitions. [2022-10-16 15:22:14,138 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 599 transitions. Word has length 55 [2022-10-16 15:22:14,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:14,139 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 599 transitions. [2022-10-16 15:22:14,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 599 transitions. [2022-10-16 15:22:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:22:14,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:14,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:14,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:22:14,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:14,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:14,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1930410977, now seen corresponding path program 1 times [2022-10-16 15:22:14,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:14,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690439950] [2022-10-16 15:22:14,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:14,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:14,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:14,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690439950] [2022-10-16 15:22:14,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690439950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:14,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:14,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:14,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527913337] [2022-10-16 15:22:14,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:14,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:14,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:14,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:14,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:14,242 INFO L87 Difference]: Start difference. First operand 390 states and 599 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:14,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:14,284 INFO L93 Difference]: Finished difference Result 984 states and 1532 transitions. [2022-10-16 15:22:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:14,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 15:22:14,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:14,289 INFO L225 Difference]: With dead ends: 984 [2022-10-16 15:22:14,290 INFO L226 Difference]: Without dead ends: 656 [2022-10-16 15:22:14,291 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 15:22:14,293 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 172 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 665 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 15:22:14,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 665 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:14,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-10-16 15:22:14,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 624. [2022-10-16 15:22:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 590 states have (on average 1.7118644067796611) internal successors, (1010), 623 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states 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 15:22:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 1010 transitions. [2022-10-16 15:22:14,328 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 1010 transitions. Word has length 57 [2022-10-16 15:22:14,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:14,329 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 1010 transitions. [2022-10-16 15:22:14,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1010 transitions. [2022-10-16 15:22:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:22:14,332 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:14,332 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 15:22:14,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:22:14,333 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:14,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:14,334 INFO L85 PathProgramCache]: Analyzing trace with hash -69792753, now seen corresponding path program 1 times [2022-10-16 15:22:14,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:14,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089574003] [2022-10-16 15:22:14,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:14,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:14,482 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 15:22:14,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:14,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089574003] [2022-10-16 15:22:14,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089574003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:14,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:14,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:14,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772246385] [2022-10-16 15:22:14,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:14,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:14,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:14,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:14,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:14,491 INFO L87 Difference]: Start difference. First operand 624 states and 1010 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 15:22:14,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:14,578 INFO L93 Difference]: Finished difference Result 1500 states and 2435 transitions. [2022-10-16 15:22:14,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:14,579 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 15:22:14,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:14,586 INFO L225 Difference]: With dead ends: 1500 [2022-10-16 15:22:14,587 INFO L226 Difference]: Without dead ends: 938 [2022-10-16 15:22:14,588 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 15:22:14,596 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 174 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:14,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 513 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:14,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-10-16 15:22:14,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 903. [2022-10-16 15:22:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 869 states have (on average 1.718066743383199) internal successors, (1493), 902 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states 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 15:22:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1493 transitions. [2022-10-16 15:22:14,648 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1493 transitions. Word has length 61 [2022-10-16 15:22:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:14,650 INFO L495 AbstractCegarLoop]: Abstraction has 903 states and 1493 transitions. [2022-10-16 15:22:14,651 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 15:22:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1493 transitions. [2022-10-16 15:22:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:22:14,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:14,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:14,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:22:14,655 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:14,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:14,656 INFO L85 PathProgramCache]: Analyzing trace with hash -186422086, now seen corresponding path program 1 times [2022-10-16 15:22:14,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:14,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505706255] [2022-10-16 15:22:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:14,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:14,770 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 15:22:14,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:14,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505706255] [2022-10-16 15:22:14,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505706255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:14,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:14,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:14,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374467118] [2022-10-16 15:22:14,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:14,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:14,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:14,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:14,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:14,774 INFO L87 Difference]: Start difference. First operand 903 states and 1493 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 15:22:14,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:14,850 INFO L93 Difference]: Finished difference Result 2379 states and 3968 transitions. [2022-10-16 15:22:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:14,851 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 15:22:14,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:14,863 INFO L225 Difference]: With dead ends: 2379 [2022-10-16 15:22:14,864 INFO L226 Difference]: Without dead ends: 1550 [2022-10-16 15:22:14,866 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 15:22:14,868 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 166 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 648 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 15:22:14,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 648 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:14,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-10-16 15:22:14,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1518. [2022-10-16 15:22:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1484 states have (on average 1.7277628032345014) internal successors, (2564), 1517 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states 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 15:22:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2564 transitions. [2022-10-16 15:22:14,953 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2564 transitions. Word has length 63 [2022-10-16 15:22:14,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:14,954 INFO L495 AbstractCegarLoop]: Abstraction has 1518 states and 2564 transitions. [2022-10-16 15:22:14,954 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 15:22:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2564 transitions. [2022-10-16 15:22:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:22:14,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:14,960 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 15:22:14,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:22:14,963 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:14,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:14,963 INFO L85 PathProgramCache]: Analyzing trace with hash -263866388, now seen corresponding path program 1 times [2022-10-16 15:22:14,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:14,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099833614] [2022-10-16 15:22:14,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:14,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:15,068 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 15:22:15,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:15,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099833614] [2022-10-16 15:22:15,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099833614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:15,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:15,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:15,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021449148] [2022-10-16 15:22:15,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:15,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:15,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:15,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:15,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:15,071 INFO L87 Difference]: Start difference. First operand 1518 states and 2564 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 15:22:15,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:15,173 INFO L93 Difference]: Finished difference Result 3729 states and 6317 transitions. [2022-10-16 15:22:15,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:15,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 15:22:15,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:15,188 INFO L225 Difference]: With dead ends: 3729 [2022-10-16 15:22:15,188 INFO L226 Difference]: Without dead ends: 2285 [2022-10-16 15:22:15,191 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 15:22:15,192 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 168 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:15,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 514 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:15,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2022-10-16 15:22:15,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2244. [2022-10-16 15:22:15,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2244 states, 2210 states have (on average 1.7262443438914028) internal successors, (3815), 2243 states have internal predecessors, (3815), 0 states have call successors, (0), 0 states 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 15:22:15,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 3815 transitions. [2022-10-16 15:22:15,319 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 3815 transitions. Word has length 66 [2022-10-16 15:22:15,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:15,319 INFO L495 AbstractCegarLoop]: Abstraction has 2244 states and 3815 transitions. [2022-10-16 15:22:15,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 15:22:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3815 transitions. [2022-10-16 15:22:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:22:15,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:15,321 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 15:22:15,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:22:15,321 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:15,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:15,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1340082111, now seen corresponding path program 1 times [2022-10-16 15:22:15,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:15,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994978441] [2022-10-16 15:22:15,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:15,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:15,412 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 15:22:15,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:15,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994978441] [2022-10-16 15:22:15,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994978441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:15,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:15,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:15,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470572718] [2022-10-16 15:22:15,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:15,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:15,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:15,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:15,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:15,415 INFO L87 Difference]: Start difference. First operand 2244 states and 3815 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 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 15:22:15,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:15,704 INFO L93 Difference]: Finished difference Result 5189 states and 8891 transitions. [2022-10-16 15:22:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:15,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 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 15:22:15,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:15,735 INFO L225 Difference]: With dead ends: 5189 [2022-10-16 15:22:15,735 INFO L226 Difference]: Without dead ends: 5186 [2022-10-16 15:22:15,738 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 15:22:15,739 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 583 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:15,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 738 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:15,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5186 states. [2022-10-16 15:22:15,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5186 to 4148. [2022-10-16 15:22:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4148 states, 4114 states have (on average 1.7207097715119106) internal successors, (7079), 4147 states have internal predecessors, (7079), 0 states have call successors, (0), 0 states 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 15:22:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 4148 states and 7079 transitions. [2022-10-16 15:22:16,020 INFO L78 Accepts]: Start accepts. Automaton has 4148 states and 7079 transitions. Word has length 68 [2022-10-16 15:22:16,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:16,020 INFO L495 AbstractCegarLoop]: Abstraction has 4148 states and 7079 transitions. [2022-10-16 15:22:16,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 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 15:22:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 7079 transitions. [2022-10-16 15:22:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:22:16,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:16,022 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 15:22:16,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:22:16,022 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:16,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:16,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1407128147, now seen corresponding path program 1 times [2022-10-16 15:22:16,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:16,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496474927] [2022-10-16 15:22:16,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:16,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:16,178 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 15:22:16,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:16,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496474927] [2022-10-16 15:22:16,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496474927] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:16,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:16,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:16,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819008782] [2022-10-16 15:22:16,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:16,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:16,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:16,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:16,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:16,182 INFO L87 Difference]: Start difference. First operand 4148 states and 7079 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 15:22:16,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:16,485 INFO L93 Difference]: Finished difference Result 5155 states and 8819 transitions. [2022-10-16 15:22:16,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:22:16,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 15:22:16,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:16,512 INFO L225 Difference]: With dead ends: 5155 [2022-10-16 15:22:16,512 INFO L226 Difference]: Without dead ends: 5152 [2022-10-16 15:22:16,515 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 15:22:16,515 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 580 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:16,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 510 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2022-10-16 15:22:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 5124. [2022-10-16 15:22:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5124 states, 5090 states have (on average 1.7090373280943025) internal successors, (8699), 5123 states have internal predecessors, (8699), 0 states have call successors, (0), 0 states 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 15:22:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 8699 transitions. [2022-10-16 15:22:16,825 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 8699 transitions. Word has length 69 [2022-10-16 15:22:16,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:16,825 INFO L495 AbstractCegarLoop]: Abstraction has 5124 states and 8699 transitions. [2022-10-16 15:22:16,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 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 15:22:16,826 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 8699 transitions. [2022-10-16 15:22:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:22:16,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:16,827 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 15:22:16,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:22:16,827 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:16,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:16,828 INFO L85 PathProgramCache]: Analyzing trace with hash 671300227, now seen corresponding path program 1 times [2022-10-16 15:22:16,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:16,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504691111] [2022-10-16 15:22:16,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:16,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:16,931 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 15:22:16,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:16,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504691111] [2022-10-16 15:22:16,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504691111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:16,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:16,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:22:16,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318802396] [2022-10-16 15:22:16,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:16,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:22:16,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:16,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:22:16,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:16,935 INFO L87 Difference]: Start difference. First operand 5124 states and 8699 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 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 15:22:17,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:17,795 INFO L93 Difference]: Finished difference Result 16442 states and 27932 transitions. [2022-10-16 15:22:17,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:22:17,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 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 15:22:17,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:17,870 INFO L225 Difference]: With dead ends: 16442 [2022-10-16 15:22:17,870 INFO L226 Difference]: Without dead ends: 11404 [2022-10-16 15:22:17,883 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 15:22:17,884 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 1293 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:17,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 1474 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:22:17,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11404 states. [2022-10-16 15:22:18,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11404 to 9318. [2022-10-16 15:22:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9318 states, 9284 states have (on average 1.6863420939250322) internal successors, (15656), 9317 states have internal predecessors, (15656), 0 states have call successors, (0), 0 states 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 15:22:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9318 states to 9318 states and 15656 transitions. [2022-10-16 15:22:18,430 INFO L78 Accepts]: Start accepts. Automaton has 9318 states and 15656 transitions. Word has length 70 [2022-10-16 15:22:18,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:18,431 INFO L495 AbstractCegarLoop]: Abstraction has 9318 states and 15656 transitions. [2022-10-16 15:22:18,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 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 15:22:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 9318 states and 15656 transitions. [2022-10-16 15:22:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:22:18,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:18,432 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 15:22:18,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:22:18,433 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:18,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:18,433 INFO L85 PathProgramCache]: Analyzing trace with hash -664528811, now seen corresponding path program 1 times [2022-10-16 15:22:18,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:18,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254170029] [2022-10-16 15:22:18,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:18,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:18,549 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 15:22:18,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:18,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254170029] [2022-10-16 15:22:18,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254170029] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:18,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:18,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:22:18,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327827397] [2022-10-16 15:22:18,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:18,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:22:18,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:18,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:22:18,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:18,553 INFO L87 Difference]: Start difference. First operand 9318 states and 15656 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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 15:22:19,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:19,193 INFO L93 Difference]: Finished difference Result 12231 states and 20606 transitions. [2022-10-16 15:22:19,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:22:19,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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 15:22:19,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:19,225 INFO L225 Difference]: With dead ends: 12231 [2022-10-16 15:22:19,226 INFO L226 Difference]: Without dead ends: 12228 [2022-10-16 15:22:19,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:22:19,232 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1287 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:19,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 882 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:22:19,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12228 states. [2022-10-16 15:22:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12228 to 12150. [2022-10-16 15:22:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12150 states, 12116 states have (on average 1.673984813469792) internal successors, (20282), 12149 states have internal predecessors, (20282), 0 states have call successors, (0), 0 states 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 15:22:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12150 states to 12150 states and 20282 transitions. [2022-10-16 15:22:19,784 INFO L78 Accepts]: Start accepts. Automaton has 12150 states and 20282 transitions. Word has length 71 [2022-10-16 15:22:19,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:19,785 INFO L495 AbstractCegarLoop]: Abstraction has 12150 states and 20282 transitions. [2022-10-16 15:22:19,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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 15:22:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 12150 states and 20282 transitions. [2022-10-16 15:22:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:22:19,787 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:19,787 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 15:22:19,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:22:19,787 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:19,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:19,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1337960055, now seen corresponding path program 1 times [2022-10-16 15:22:19,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:19,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159011120] [2022-10-16 15:22:19,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:19,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:19,892 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 15:22:19,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:19,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159011120] [2022-10-16 15:22:19,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159011120] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:19,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:19,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:19,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223562892] [2022-10-16 15:22:19,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:19,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:19,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:19,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:19,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:19,895 INFO L87 Difference]: Start difference. First operand 12150 states and 20282 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 15:22:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:20,862 INFO L93 Difference]: Finished difference Result 32576 states and 54398 transitions. [2022-10-16 15:22:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:20,862 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 15:22:20,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:20,921 INFO L225 Difference]: With dead ends: 32576 [2022-10-16 15:22:20,921 INFO L226 Difference]: Without dead ends: 20512 [2022-10-16 15:22:20,943 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 15:22:20,945 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 569 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:20,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 702 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20512 states. [2022-10-16 15:22:21,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20512 to 17491. [2022-10-16 15:22:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17491 states, 17457 states have (on average 1.66053732027267) internal successors, (28988), 17490 states have internal predecessors, (28988), 0 states have call successors, (0), 0 states 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 15:22:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17491 states to 17491 states and 28988 transitions. [2022-10-16 15:22:21,835 INFO L78 Accepts]: Start accepts. Automaton has 17491 states and 28988 transitions. Word has length 73 [2022-10-16 15:22:21,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:21,836 INFO L495 AbstractCegarLoop]: Abstraction has 17491 states and 28988 transitions. [2022-10-16 15:22:21,836 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 15:22:21,836 INFO L276 IsEmpty]: Start isEmpty. Operand 17491 states and 28988 transitions. [2022-10-16 15:22:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:22:21,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:21,837 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 15:22:21,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:22:21,838 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:21,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:21,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1472910616, now seen corresponding path program 1 times [2022-10-16 15:22:21,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:21,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738317389] [2022-10-16 15:22:21,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:21,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:21,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:21,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738317389] [2022-10-16 15:22:21,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738317389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:21,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:21,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:21,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522602742] [2022-10-16 15:22:21,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:21,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:21,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:21,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:21,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:21,933 INFO L87 Difference]: Start difference. First operand 17491 states and 28988 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 15:22:22,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:22,700 INFO L93 Difference]: Finished difference Result 24862 states and 41600 transitions. [2022-10-16 15:22:22,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:22:22,700 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 15:22:22,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:22,779 INFO L225 Difference]: With dead ends: 24862 [2022-10-16 15:22:22,779 INFO L226 Difference]: Without dead ends: 24861 [2022-10-16 15:22:22,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:22:22,789 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 570 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:22,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 486 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:22,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24861 states. [2022-10-16 15:22:23,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24861 to 24784. [2022-10-16 15:22:23,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24784 states, 24750 states have (on average 1.6683232323232324) internal successors, (41291), 24783 states have internal predecessors, (41291), 0 states have call successors, (0), 0 states 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 15:22:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24784 states to 24784 states and 41291 transitions. [2022-10-16 15:22:23,920 INFO L78 Accepts]: Start accepts. Automaton has 24784 states and 41291 transitions. Word has length 74 [2022-10-16 15:22:23,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:23,921 INFO L495 AbstractCegarLoop]: Abstraction has 24784 states and 41291 transitions. [2022-10-16 15:22:23,921 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 15:22:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 24784 states and 41291 transitions. [2022-10-16 15:22:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:22:23,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:23,922 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 15:22:23,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:22:23,923 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:23,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:23,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1872126250, now seen corresponding path program 1 times [2022-10-16 15:22:23,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:23,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406652941] [2022-10-16 15:22:23,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:23,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:24,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:24,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406652941] [2022-10-16 15:22:24,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406652941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:24,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:24,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:24,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666631147] [2022-10-16 15:22:24,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:24,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:24,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:24,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:24,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:24,031 INFO L87 Difference]: Start difference. First operand 24784 states and 41291 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 15:22:25,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:25,200 INFO L93 Difference]: Finished difference Result 65152 states and 108944 transitions. [2022-10-16 15:22:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:25,201 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 15:22:25,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:25,373 INFO L225 Difference]: With dead ends: 65152 [2022-10-16 15:22:25,374 INFO L226 Difference]: Without dead ends: 40454 [2022-10-16 15:22:25,405 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 15:22:25,406 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 574 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 798 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 15:22:25,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 798 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:22:25,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40454 states. [2022-10-16 15:22:26,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40454 to 34489. [2022-10-16 15:22:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34489 states, 34455 states have (on average 1.6594688724423161) internal successors, (57177), 34488 states have internal predecessors, (57177), 0 states have call successors, (0), 0 states 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 15:22:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34489 states to 34489 states and 57177 transitions. [2022-10-16 15:22:26,996 INFO L78 Accepts]: Start accepts. Automaton has 34489 states and 57177 transitions. Word has length 76 [2022-10-16 15:22:26,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:26,997 INFO L495 AbstractCegarLoop]: Abstraction has 34489 states and 57177 transitions. [2022-10-16 15:22:26,997 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 15:22:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 34489 states and 57177 transitions. [2022-10-16 15:22:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:22:26,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:26,998 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 15:22:26,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:22:26,998 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:26,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:26,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2093627748, now seen corresponding path program 1 times [2022-10-16 15:22:26,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:26,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793938731] [2022-10-16 15:22:26,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:27,092 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 15:22:27,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:27,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793938731] [2022-10-16 15:22:27,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793938731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:27,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:27,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:27,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238785783] [2022-10-16 15:22:27,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:27,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:27,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:27,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:27,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:27,095 INFO L87 Difference]: Start difference. First operand 34489 states and 57177 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 15:22:28,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:28,623 INFO L93 Difference]: Finished difference Result 50314 states and 83895 transitions. [2022-10-16 15:22:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:22:28,624 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 15:22:28,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:28,736 INFO L225 Difference]: With dead ends: 50314 [2022-10-16 15:22:28,736 INFO L226 Difference]: Without dead ends: 50313 [2022-10-16 15:22:28,752 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 15:22:28,753 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 564 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:28,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 489 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:28,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50313 states. [2022-10-16 15:22:30,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50313 to 50182. [2022-10-16 15:22:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50182 states, 50148 states have (on average 1.6604052006062056) internal successors, (83266), 50181 states have internal predecessors, (83266), 0 states have call successors, (0), 0 states 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 15:22:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50182 states to 50182 states and 83266 transitions. [2022-10-16 15:22:30,553 INFO L78 Accepts]: Start accepts. Automaton has 50182 states and 83266 transitions. Word has length 77 [2022-10-16 15:22:30,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:30,554 INFO L495 AbstractCegarLoop]: Abstraction has 50182 states and 83266 transitions. [2022-10-16 15:22:30,554 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 15:22:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 50182 states and 83266 transitions. [2022-10-16 15:22:30,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 15:22:30,555 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:30,555 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] [2022-10-16 15:22:30,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:22:30,555 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:30,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:30,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1931550530, now seen corresponding path program 1 times [2022-10-16 15:22:30,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:30,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276770427] [2022-10-16 15:22:30,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:30,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:30,676 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 15:22:30,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:30,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276770427] [2022-10-16 15:22:30,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276770427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:30,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:30,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:30,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007093151] [2022-10-16 15:22:30,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:30,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:30,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:30,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:30,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:30,679 INFO L87 Difference]: Start difference. First operand 50182 states and 83266 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 15:22:34,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:34,408 INFO L93 Difference]: Finished difference Result 161676 states and 269016 transitions. [2022-10-16 15:22:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:34,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 15:22:34,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:34,657 INFO L225 Difference]: With dead ends: 161676 [2022-10-16 15:22:34,657 INFO L226 Difference]: Without dead ends: 111580 [2022-10-16 15:22:34,916 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 15:22:34,922 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 570 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:34,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 869 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:22:35,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111580 states. [2022-10-16 15:22:38,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111580 to 80655. [2022-10-16 15:22:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80655 states, 80621 states have (on average 1.6499671301521937) internal successors, (133022), 80654 states have internal predecessors, (133022), 0 states have call successors, (0), 0 states 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 15:22:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80655 states to 80655 states and 133022 transitions. [2022-10-16 15:22:38,716 INFO L78 Accepts]: Start accepts. Automaton has 80655 states and 133022 transitions. Word has length 79 [2022-10-16 15:22:38,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:38,716 INFO L495 AbstractCegarLoop]: Abstraction has 80655 states and 133022 transitions. [2022-10-16 15:22:38,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 15:22:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 80655 states and 133022 transitions. [2022-10-16 15:22:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 15:22:38,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:38,718 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] [2022-10-16 15:22:38,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:22:38,718 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:38,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:38,719 INFO L85 PathProgramCache]: Analyzing trace with hash 251476367, now seen corresponding path program 1 times [2022-10-16 15:22:38,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:38,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137912335] [2022-10-16 15:22:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:38,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:38,831 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 15:22:38,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:38,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137912335] [2022-10-16 15:22:38,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137912335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:38,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:38,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:38,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667131853] [2022-10-16 15:22:38,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:38,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:38,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:38,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:38,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:38,834 INFO L87 Difference]: Start difference. First operand 80655 states and 133022 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 15:22:42,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:42,676 INFO L93 Difference]: Finished difference Result 115224 states and 190522 transitions. [2022-10-16 15:22:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:22:42,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 15:22:42,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:42,885 INFO L225 Difference]: With dead ends: 115224 [2022-10-16 15:22:42,885 INFO L226 Difference]: Without dead ends: 115223 [2022-10-16 15:22:42,913 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 15:22:42,914 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 563 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:42,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 529 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:43,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115223 states. [2022-10-16 15:22:47,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115223 to 114973. [2022-10-16 15:22:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114973 states, 114939 states have (on average 1.644968200523756) internal successors, (189071), 114972 states have internal predecessors, (189071), 0 states have call successors, (0), 0 states 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 15:22:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114973 states to 114973 states and 189071 transitions. [2022-10-16 15:22:48,272 INFO L78 Accepts]: Start accepts. Automaton has 114973 states and 189071 transitions. Word has length 80 [2022-10-16 15:22:48,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:48,272 INFO L495 AbstractCegarLoop]: Abstraction has 114973 states and 189071 transitions. [2022-10-16 15:22:48,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 15:22:48,272 INFO L276 IsEmpty]: Start isEmpty. Operand 114973 states and 189071 transitions. [2022-10-16 15:22:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:22:48,273 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:48,273 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 15:22:48,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:22:48,274 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:22:48,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:48,274 INFO L85 PathProgramCache]: Analyzing trace with hash 698940798, now seen corresponding path program 1 times [2022-10-16 15:22:48,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:48,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737841976] [2022-10-16 15:22:48,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:48,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:48,374 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 15:22:48,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:48,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737841976] [2022-10-16 15:22:48,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737841976] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:48,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:48,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:48,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749447571] [2022-10-16 15:22:48,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:48,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:22:48,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:48,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:22:48,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:22:48,377 INFO L87 Difference]: Start difference. First operand 114973 states and 189071 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 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 15:22:56,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:56,114 INFO L93 Difference]: Finished difference Result 262465 states and 436111 transitions. [2022-10-16 15:22:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:22:56,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 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 15:22:56,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:56,798 INFO L225 Difference]: With dead ends: 262465 [2022-10-16 15:22:56,798 INFO L226 Difference]: Without dead ends: 262463 [2022-10-16 15:22:56,861 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 15:22:56,862 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 560 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:56,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 797 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:22:57,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262463 states. [2022-10-16 15:23:05,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262463 to 208377. [2022-10-16 15:23:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208377 states, 208343 states have (on average 1.644010117930528) internal successors, (342518), 208376 states have internal predecessors, (342518), 0 states have call successors, (0), 0 states 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 15:23:06,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208377 states to 208377 states and 342518 transitions. [2022-10-16 15:23:06,000 INFO L78 Accepts]: Start accepts. Automaton has 208377 states and 342518 transitions. Word has length 90 [2022-10-16 15:23:06,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:06,001 INFO L495 AbstractCegarLoop]: Abstraction has 208377 states and 342518 transitions. [2022-10-16 15:23:06,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 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 15:23:06,001 INFO L276 IsEmpty]: Start isEmpty. Operand 208377 states and 342518 transitions. [2022-10-16 15:23:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:23:06,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:06,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:06,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:23:06,002 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:23:06,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash 192328957, now seen corresponding path program 1 times [2022-10-16 15:23:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:06,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33948885] [2022-10-16 15:23:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:06,513 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 15:23:06,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:06,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33948885] [2022-10-16 15:23:06,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33948885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:06,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:06,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:06,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658708429] [2022-10-16 15:23:06,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:06,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:23:06,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:06,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:23:06,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:23:06,516 INFO L87 Difference]: Start difference. First operand 208377 states and 342518 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 15:23:15,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:15,144 INFO L93 Difference]: Finished difference Result 265965 states and 439382 transitions. [2022-10-16 15:23:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:23:15,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 15:23:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:15,908 INFO L225 Difference]: With dead ends: 265965 [2022-10-16 15:23:15,909 INFO L226 Difference]: Without dead ends: 265963 [2022-10-16 15:23:15,972 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 15:23:15,973 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 553 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 536 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 15:23:15,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 536 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:16,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265963 states. [2022-10-16 15:23:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265963 to 265933. [2022-10-16 15:23:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265933 states, 265899 states have (on average 1.6364070568148057) internal successors, (435119), 265932 states have internal predecessors, (435119), 0 states have call successors, (0), 0 states 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 15:23:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265933 states to 265933 states and 435119 transitions. [2022-10-16 15:23:28,954 INFO L78 Accepts]: Start accepts. Automaton has 265933 states and 435119 transitions. Word has length 91 [2022-10-16 15:23:28,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:28,955 INFO L495 AbstractCegarLoop]: Abstraction has 265933 states and 435119 transitions. [2022-10-16 15:23:28,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 15:23:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 265933 states and 435119 transitions. [2022-10-16 15:23:28,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:23:28,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:28,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:28,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:23:28,959 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:23:28,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash -784537265, now seen corresponding path program 1 times [2022-10-16 15:23:28,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:28,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763433121] [2022-10-16 15:23:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:28,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:29,232 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 15:23:29,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:29,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763433121] [2022-10-16 15:23:29,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763433121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:29,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:29,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:23:29,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70327273] [2022-10-16 15:23:29,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:29,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:23:29,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:29,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:23:29,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:29,235 INFO L87 Difference]: Start difference. First operand 265933 states and 435119 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:40,458 INFO L93 Difference]: Finished difference Result 531808 states and 870122 transitions. [2022-10-16 15:23:40,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:23:40,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:23:40,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:41,118 INFO L225 Difference]: With dead ends: 531808 [2022-10-16 15:23:41,118 INFO L226 Difference]: Without dead ends: 265961 [2022-10-16 15:23:41,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:23:41,369 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 552 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:41,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 671 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:41,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265961 states. [2022-10-16 15:23:52,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265961 to 265933. [2022-10-16 15:23:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265933 states, 265899 states have (on average 1.6318526959484616) internal successors, (433908), 265932 states have internal predecessors, (433908), 0 states have call successors, (0), 0 states 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 15:23:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265933 states to 265933 states and 433908 transitions. [2022-10-16 15:23:54,052 INFO L78 Accepts]: Start accepts. Automaton has 265933 states and 433908 transitions. Word has length 92 [2022-10-16 15:23:54,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:54,052 INFO L495 AbstractCegarLoop]: Abstraction has 265933 states and 433908 transitions. [2022-10-16 15:23:54,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 265933 states and 433908 transitions. [2022-10-16 15:23:54,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:23:54,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:54,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:54,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:23:54,054 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:23:54,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:54,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1667231072, now seen corresponding path program 1 times [2022-10-16 15:23:54,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:54,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753419463] [2022-10-16 15:23:54,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:54,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:54,173 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 15:23:54,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:54,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753419463] [2022-10-16 15:23:54,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753419463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:54,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:54,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:23:54,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085512878] [2022-10-16 15:23:54,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:54,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:23:54,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:54,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:23:54,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:54,176 INFO L87 Difference]: Start difference. First operand 265933 states and 433908 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:19,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:19,540 INFO L93 Difference]: Finished difference Result 848589 states and 1391406 transitions. [2022-10-16 15:24:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:24:19,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:24:19,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:21,239 INFO L225 Difference]: With dead ends: 848589 [2022-10-16 15:24:21,239 INFO L226 Difference]: Without dead ends: 597677 [2022-10-16 15:24:21,969 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 15:24:21,971 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 1263 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:21,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 1592 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:24:22,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597677 states. [2022-10-16 15:24:44,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597677 to 489487. [2022-10-16 15:24:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489487 states, 489453 states have (on average 1.6167088566215755) internal successors, (791303), 489486 states have internal predecessors, (791303), 0 states have call successors, (0), 0 states 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 15:24:49,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489487 states to 489487 states and 791303 transitions. [2022-10-16 15:24:49,049 INFO L78 Accepts]: Start accepts. Automaton has 489487 states and 791303 transitions. Word has length 92 [2022-10-16 15:24:49,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:49,050 INFO L495 AbstractCegarLoop]: Abstraction has 489487 states and 791303 transitions. [2022-10-16 15:24:49,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 489487 states and 791303 transitions. [2022-10-16 15:24:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:24:49,052 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:49,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:49,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:24:49,055 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:24:49,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:49,056 INFO L85 PathProgramCache]: Analyzing trace with hash 144556383, now seen corresponding path program 1 times [2022-10-16 15:24:49,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:49,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468050662] [2022-10-16 15:24:49,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:49,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:49,199 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 15:24:49,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:49,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468050662] [2022-10-16 15:24:49,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468050662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:49,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:49,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:24:49,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274002337] [2022-10-16 15:24:49,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:49,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:24:49,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:49,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:24:49,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:24:49,201 INFO L87 Difference]: Start difference. First operand 489487 states and 791303 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:25:14,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:25:14,084 INFO L93 Difference]: Finished difference Result 651562 states and 1058797 transitions. [2022-10-16 15:25:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:25:14,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:25:14,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:25:16,080 INFO L225 Difference]: With dead ends: 651562 [2022-10-16 15:25:16,080 INFO L226 Difference]: Without dead ends: 651560 [2022-10-16 15:25:16,326 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 15:25:16,327 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 1171 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:25:16,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 995 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:25:16,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651560 states.