/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:04:09,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:04:09,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:04:09,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:04:09,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:04:09,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:04:09,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:04:09,957 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 15:04:10,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:04:10,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:04:10,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:04:10,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:04:10,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:04:10,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:04:10,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:04:10,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:04:10,009 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:04:10,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:04:10,010 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:04:10,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:04:10,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:04:10,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:04:10,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:04:10,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:04:10,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:04:10,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:04:10,012 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:04:10,012 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:04:10,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:04:10,012 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:04:10,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:04:10,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:04:10,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:04:10,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:04:10,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:04:10,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:04:10,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:04:10,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:04:10,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:04:10,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:04:10,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:04:10,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:04:10,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:04:10,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:04:10,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:04:10,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:04:10,474 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:04:10,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-10-16 15:04:10,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b935193/ef0e07b7fd6244c1a2d4697e2ac1187d/FLAG3b8f295d9 [2022-10-16 15:04:11,265 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:04:11,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-10-16 15:04:11,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b935193/ef0e07b7fd6244c1a2d4697e2ac1187d/FLAG3b8f295d9 [2022-10-16 15:04:11,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4b935193/ef0e07b7fd6244c1a2d4697e2ac1187d [2022-10-16 15:04:11,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:04:11,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:04:11,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:04:11,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:04:11,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:04:11,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:11" (1/1) ... [2022-10-16 15:04:11,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413849ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:11, skipping insertion in model container [2022-10-16 15:04:11,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:11" (1/1) ... [2022-10-16 15:04:11,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:04:11,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:04:11,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2022-10-16 15:04:11,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:04:11,996 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:04:12,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2022-10-16 15:04:12,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:04:12,126 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:04:12,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12 WrapperNode [2022-10-16 15:04:12,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:04:12,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:04:12,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:04:12,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:04:12,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,299 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 974 [2022-10-16 15:04:12,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:04:12,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:04:12,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:04:12,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:04:12,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:04:12,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:04:12,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:04:12,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:04:12,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (1/1) ... [2022-10-16 15:04:12,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:04:12,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:04:12,447 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 15:04:12,464 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 15:04:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:04:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:04:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:04:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:04:12,790 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:04:12,798 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:04:13,996 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:04:14,010 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:04:14,010 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:04:14,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:14 BoogieIcfgContainer [2022-10-16 15:04:14,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:04:14,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:04:14,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:04:14,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:04:14,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:04:11" (1/3) ... [2022-10-16 15:04:14,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3060b846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:14, skipping insertion in model container [2022-10-16 15:04:14,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:12" (2/3) ... [2022-10-16 15:04:14,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3060b846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:14, skipping insertion in model container [2022-10-16 15:04:14,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:14" (3/3) ... [2022-10-16 15:04:14,025 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-10-16 15:04:14,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:04:14,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-16 15:04:14,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:04:14,144 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;@34a5c146, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:04:14,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-16 15:04:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 387 states, 340 states have (on average 1.826470588235294) internal successors, (621), 386 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:04:14,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:14,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:14,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:14,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:14,182 INFO L85 PathProgramCache]: Analyzing trace with hash 2014950661, now seen corresponding path program 1 times [2022-10-16 15:04:14,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:14,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901280740] [2022-10-16 15:04:14,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:14,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:14,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901280740] [2022-10-16 15:04:14,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901280740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:14,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:14,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:14,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178729558] [2022-10-16 15:04:14,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:14,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:04:14,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:14,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:04:14,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:04:14,834 INFO L87 Difference]: Start difference. First operand has 387 states, 340 states have (on average 1.826470588235294) internal successors, (621), 386 states have internal predecessors, (621), 0 states have call successors, (0), 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 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:14,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:14,901 INFO L93 Difference]: Finished difference Result 583 states and 909 transitions. [2022-10-16 15:04:14,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:04:14,907 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:04:14,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:14,927 INFO L225 Difference]: With dead ends: 583 [2022-10-16 15:04:14,927 INFO L226 Difference]: Without dead ends: 374 [2022-10-16 15:04:14,933 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 15:04:14,938 INFO L413 NwaCegarLoop]: 606 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, 606 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 15:04:14,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:14,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-10-16 15:04:15,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2022-10-16 15:04:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 336 states have (on average 1.8005952380952381) internal successors, (605), 373 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 605 transitions. [2022-10-16 15:04:15,013 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 605 transitions. Word has length 59 [2022-10-16 15:04:15,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:15,014 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 605 transitions. [2022-10-16 15:04:15,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:15,014 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 605 transitions. [2022-10-16 15:04:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:04:15,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:15,020 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 15:04:15,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:04:15,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:15,021 INFO L85 PathProgramCache]: Analyzing trace with hash -2012101529, now seen corresponding path program 1 times [2022-10-16 15:04:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:15,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301670943] [2022-10-16 15:04:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:15,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:15,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301670943] [2022-10-16 15:04:15,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301670943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:15,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:15,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:04:15,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750930031] [2022-10-16 15:04:15,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:15,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:04:15,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:15,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:04:15,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:04:15,554 INFO L87 Difference]: Start difference. First operand 374 states and 605 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:04:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:15,656 INFO L93 Difference]: Finished difference Result 572 states and 884 transitions. [2022-10-16 15:04:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:04:15,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:04:15,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:15,661 INFO L225 Difference]: With dead ends: 572 [2022-10-16 15:04:15,661 INFO L226 Difference]: Without dead ends: 374 [2022-10-16 15:04:15,662 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 15:04:15,664 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 3 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2379 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 15:04:15,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2379 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:15,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-10-16 15:04:15,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2022-10-16 15:04:15,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 336 states have (on average 1.7113095238095237) internal successors, (575), 373 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:15,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 575 transitions. [2022-10-16 15:04:15,688 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 575 transitions. Word has length 73 [2022-10-16 15:04:15,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:15,689 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 575 transitions. [2022-10-16 15:04:15,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:04:15,689 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 575 transitions. [2022-10-16 15:04:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 15:04:15,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:15,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:15,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:04:15,695 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:15,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:15,696 INFO L85 PathProgramCache]: Analyzing trace with hash 884986341, now seen corresponding path program 1 times [2022-10-16 15:04:15,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:15,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557638912] [2022-10-16 15:04:15,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:15,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:15,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:15,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557638912] [2022-10-16 15:04:15,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557638912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:15,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:15,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:15,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95639671] [2022-10-16 15:04:15,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:15,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:15,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:15,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:15,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:15,978 INFO L87 Difference]: Start difference. First operand 374 states and 575 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:16,054 INFO L93 Difference]: Finished difference Result 727 states and 1080 transitions. [2022-10-16 15:04:16,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:16,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-16 15:04:16,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:16,061 INFO L225 Difference]: With dead ends: 727 [2022-10-16 15:04:16,061 INFO L226 Difference]: Without dead ends: 533 [2022-10-16 15:04:16,067 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 15:04:16,075 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 221 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:16,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1119 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:16,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-10-16 15:04:16,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 505. [2022-10-16 15:04:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 467 states have (on average 1.7066381156316917) internal successors, (797), 504 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 797 transitions. [2022-10-16 15:04:16,123 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 797 transitions. Word has length 102 [2022-10-16 15:04:16,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:16,124 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 797 transitions. [2022-10-16 15:04:16,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 797 transitions. [2022-10-16 15:04:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:04:16,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:16,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:16,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:04:16,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:16,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:16,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1582287481, now seen corresponding path program 1 times [2022-10-16 15:04:16,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:16,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863217859] [2022-10-16 15:04:16,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:16,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:16,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:16,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863217859] [2022-10-16 15:04:16,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863217859] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:16,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:16,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:16,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151112094] [2022-10-16 15:04:16,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:16,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:16,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:16,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:16,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:16,359 INFO L87 Difference]: Start difference. First operand 505 states and 797 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:16,406 INFO L93 Difference]: Finished difference Result 1137 states and 1757 transitions. [2022-10-16 15:04:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:16,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 15:04:16,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:16,412 INFO L225 Difference]: With dead ends: 1137 [2022-10-16 15:04:16,412 INFO L226 Difference]: Without dead ends: 812 [2022-10-16 15:04:16,414 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 15:04:16,415 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 246 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:16,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1115 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:16,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2022-10-16 15:04:16,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 770. [2022-10-16 15:04:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 732 states have (on average 1.710382513661202) internal successors, (1252), 769 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1252 transitions. [2022-10-16 15:04:16,449 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1252 transitions. Word has length 105 [2022-10-16 15:04:16,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:16,450 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1252 transitions. [2022-10-16 15:04:16,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,450 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1252 transitions. [2022-10-16 15:04:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:04:16,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:16,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:16,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:04:16,453 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:16,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:16,454 INFO L85 PathProgramCache]: Analyzing trace with hash 419023794, now seen corresponding path program 1 times [2022-10-16 15:04:16,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:16,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205983892] [2022-10-16 15:04:16,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:16,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:16,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:16,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205983892] [2022-10-16 15:04:16,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205983892] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:16,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:16,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:16,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467046898] [2022-10-16 15:04:16,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:16,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:16,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:16,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:16,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:16,614 INFO L87 Difference]: Start difference. First operand 770 states and 1252 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:16,676 INFO L93 Difference]: Finished difference Result 1914 states and 3088 transitions. [2022-10-16 15:04:16,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:16,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 15:04:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:16,687 INFO L225 Difference]: With dead ends: 1914 [2022-10-16 15:04:16,687 INFO L226 Difference]: Without dead ends: 1324 [2022-10-16 15:04:16,689 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 15:04:16,690 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 239 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:16,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1116 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:16,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2022-10-16 15:04:16,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1278. [2022-10-16 15:04:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 1240 states have (on average 1.7096774193548387) internal successors, (2120), 1277 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 2120 transitions. [2022-10-16 15:04:16,741 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 2120 transitions. Word has length 108 [2022-10-16 15:04:16,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:16,742 INFO L495 AbstractCegarLoop]: Abstraction has 1278 states and 2120 transitions. [2022-10-16 15:04:16,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 2120 transitions. [2022-10-16 15:04:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:04:16,744 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:16,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:16,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:04:16,745 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:16,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:16,746 INFO L85 PathProgramCache]: Analyzing trace with hash -127994714, now seen corresponding path program 1 times [2022-10-16 15:04:16,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:16,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15212314] [2022-10-16 15:04:16,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:16,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:16,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:16,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15212314] [2022-10-16 15:04:16,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15212314] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:16,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:16,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:16,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073484259] [2022-10-16 15:04:16,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:16,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:16,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:16,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:16,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:16,902 INFO L87 Difference]: Start difference. First operand 1278 states and 2120 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:16,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:16,981 INFO L93 Difference]: Finished difference Result 3402 states and 5624 transitions. [2022-10-16 15:04:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:16,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 15:04:16,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:16,995 INFO L225 Difference]: With dead ends: 3402 [2022-10-16 15:04:16,995 INFO L226 Difference]: Without dead ends: 2304 [2022-10-16 15:04:16,998 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 15:04:16,999 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 232 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:17,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1117 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:17,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2022-10-16 15:04:17,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 2250. [2022-10-16 15:04:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2250 states, 2212 states have (on average 1.7052441229656419) internal successors, (3772), 2249 states have internal predecessors, (3772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 2250 states and 3772 transitions. [2022-10-16 15:04:17,086 INFO L78 Accepts]: Start accepts. Automaton has 2250 states and 3772 transitions. Word has length 111 [2022-10-16 15:04:17,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:17,086 INFO L495 AbstractCegarLoop]: Abstraction has 2250 states and 3772 transitions. [2022-10-16 15:04:17,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 3772 transitions. [2022-10-16 15:04:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:04:17,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:17,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:17,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:04:17,090 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:17,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:17,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2093283713, now seen corresponding path program 1 times [2022-10-16 15:04:17,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:17,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465534770] [2022-10-16 15:04:17,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:17,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:17,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:17,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:17,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465534770] [2022-10-16 15:04:17,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465534770] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:17,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:17,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:17,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423891509] [2022-10-16 15:04:17,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:17,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:17,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:17,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:17,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:17,300 INFO L87 Difference]: Start difference. First operand 2250 states and 3772 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:17,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:17,644 INFO L93 Difference]: Finished difference Result 3881 states and 6524 transitions. [2022-10-16 15:04:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:17,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 15:04:17,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:17,670 INFO L225 Difference]: With dead ends: 3881 [2022-10-16 15:04:17,671 INFO L226 Difference]: Without dead ends: 3878 [2022-10-16 15:04:17,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:17,674 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 457 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:17,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 741 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:04:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3878 states. [2022-10-16 15:04:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3846. [2022-10-16 15:04:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 3808 states have (on average 1.7027310924369747) internal successors, (6484), 3845 states have internal predecessors, (6484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 6484 transitions. [2022-10-16 15:04:17,826 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 6484 transitions. Word has length 114 [2022-10-16 15:04:17,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:17,826 INFO L495 AbstractCegarLoop]: Abstraction has 3846 states and 6484 transitions. [2022-10-16 15:04:17,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 6484 transitions. [2022-10-16 15:04:17,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 15:04:17,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:17,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:17,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:04:17,830 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:17,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:17,831 INFO L85 PathProgramCache]: Analyzing trace with hash -467284256, now seen corresponding path program 1 times [2022-10-16 15:04:17,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:17,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546032364] [2022-10-16 15:04:17,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:17,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:18,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:18,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546032364] [2022-10-16 15:04:18,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546032364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:18,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:18,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:18,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157878804] [2022-10-16 15:04:18,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:18,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:18,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:18,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:18,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:18,052 INFO L87 Difference]: Start difference. First operand 3846 states and 6484 transitions. Second operand has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:18,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:18,346 INFO L93 Difference]: Finished difference Result 3881 states and 6484 transitions. [2022-10-16 15:04:18,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:18,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-16 15:04:18,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:18,373 INFO L225 Difference]: With dead ends: 3881 [2022-10-16 15:04:18,374 INFO L226 Difference]: Without dead ends: 3878 [2022-10-16 15:04:18,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:18,384 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 453 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:18,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 744 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:04:18,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3878 states. [2022-10-16 15:04:18,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3846. [2022-10-16 15:04:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 3808 states have (on average 1.6922268907563025) internal successors, (6444), 3845 states have internal predecessors, (6444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 6444 transitions. [2022-10-16 15:04:18,615 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 6444 transitions. Word has length 115 [2022-10-16 15:04:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:18,615 INFO L495 AbstractCegarLoop]: Abstraction has 3846 states and 6444 transitions. [2022-10-16 15:04:18,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 6444 transitions. [2022-10-16 15:04:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 15:04:18,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:18,620 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:18,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:04:18,630 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:18,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:18,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1600908639, now seen corresponding path program 1 times [2022-10-16 15:04:18,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:18,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807856519] [2022-10-16 15:04:18,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:18,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:18,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:18,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807856519] [2022-10-16 15:04:18,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807856519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:18,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:18,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:18,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284157546] [2022-10-16 15:04:18,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:18,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:18,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:18,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:18,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:18,881 INFO L87 Difference]: Start difference. First operand 3846 states and 6444 transitions. Second operand has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:19,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:19,151 INFO L93 Difference]: Finished difference Result 4935 states and 8224 transitions. [2022-10-16 15:04:19,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:19,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 15:04:19,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:19,182 INFO L225 Difference]: With dead ends: 4935 [2022-10-16 15:04:19,182 INFO L226 Difference]: Without dead ends: 4932 [2022-10-16 15:04:19,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:19,188 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 448 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:19,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 733 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:19,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2022-10-16 15:04:19,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4906. [2022-10-16 15:04:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4906 states, 4868 states have (on average 1.6811832374691866) internal successors, (8184), 4905 states have internal predecessors, (8184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4906 states to 4906 states and 8184 transitions. [2022-10-16 15:04:19,481 INFO L78 Accepts]: Start accepts. Automaton has 4906 states and 8184 transitions. Word has length 116 [2022-10-16 15:04:19,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:19,482 INFO L495 AbstractCegarLoop]: Abstraction has 4906 states and 8184 transitions. [2022-10-16 15:04:19,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4906 states and 8184 transitions. [2022-10-16 15:04:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 15:04:19,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:19,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:19,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:04:19,489 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:19,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1911441154, now seen corresponding path program 1 times [2022-10-16 15:04:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:19,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670983731] [2022-10-16 15:04:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:19,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:19,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:19,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670983731] [2022-10-16 15:04:19,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670983731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:19,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:19,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:19,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811013630] [2022-10-16 15:04:19,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:19,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:19,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:19,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:19,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:19,761 INFO L87 Difference]: Start difference. First operand 4906 states and 8184 transitions. Second operand has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:20,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:20,177 INFO L93 Difference]: Finished difference Result 4935 states and 8184 transitions. [2022-10-16 15:04:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:20,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-10-16 15:04:20,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:20,216 INFO L225 Difference]: With dead ends: 4935 [2022-10-16 15:04:20,217 INFO L226 Difference]: Without dead ends: 4932 [2022-10-16 15:04:20,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:20,220 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 444 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:20,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 736 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:04:20,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2022-10-16 15:04:20,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4906. [2022-10-16 15:04:20,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4906 states, 4868 states have (on average 1.6729663105998356) internal successors, (8144), 4905 states have internal predecessors, (8144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4906 states to 4906 states and 8144 transitions. [2022-10-16 15:04:20,508 INFO L78 Accepts]: Start accepts. Automaton has 4906 states and 8144 transitions. Word has length 117 [2022-10-16 15:04:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:20,509 INFO L495 AbstractCegarLoop]: Abstraction has 4906 states and 8144 transitions. [2022-10-16 15:04:20,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4906 states and 8144 transitions. [2022-10-16 15:04:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:04:20,513 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:20,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:20,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:04:20,514 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:20,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:20,515 INFO L85 PathProgramCache]: Analyzing trace with hash -874864957, now seen corresponding path program 1 times [2022-10-16 15:04:20,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:20,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33580162] [2022-10-16 15:04:20,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:20,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:20,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:20,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33580162] [2022-10-16 15:04:20,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33580162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:20,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:20,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:20,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276531498] [2022-10-16 15:04:20,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:20,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:20,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:20,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:20,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:20,786 INFO L87 Difference]: Start difference. First operand 4906 states and 8144 transitions. Second operand has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:21,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:21,141 INFO L93 Difference]: Finished difference Result 7563 states and 12408 transitions. [2022-10-16 15:04:21,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:21,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 15:04:21,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:21,182 INFO L225 Difference]: With dead ends: 7563 [2022-10-16 15:04:21,182 INFO L226 Difference]: Without dead ends: 7560 [2022-10-16 15:04:21,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:21,188 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 451 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:21,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 679 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:21,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7560 states. [2022-10-16 15:04:21,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7560 to 7556. [2022-10-16 15:04:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7556 states, 7520 states have (on average 1.6377659574468084) internal successors, (12316), 7555 states have internal predecessors, (12316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7556 states to 7556 states and 12316 transitions. [2022-10-16 15:04:21,688 INFO L78 Accepts]: Start accepts. Automaton has 7556 states and 12316 transitions. Word has length 118 [2022-10-16 15:04:21,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:21,689 INFO L495 AbstractCegarLoop]: Abstraction has 7556 states and 12316 transitions. [2022-10-16 15:04:21,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:21,694 INFO L276 IsEmpty]: Start isEmpty. Operand 7556 states and 12316 transitions. [2022-10-16 15:04:21,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:04:21,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:21,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:21,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:04:21,698 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:21,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:21,699 INFO L85 PathProgramCache]: Analyzing trace with hash 596443368, now seen corresponding path program 1 times [2022-10-16 15:04:21,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:21,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973367741] [2022-10-16 15:04:21,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:21,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:21,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:21,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973367741] [2022-10-16 15:04:21,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973367741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:21,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:21,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:21,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541919923] [2022-10-16 15:04:21,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:21,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:21,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:21,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:21,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:21,817 INFO L87 Difference]: Start difference. First operand 7556 states and 12316 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:22,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:22,261 INFO L93 Difference]: Finished difference Result 15323 states and 24945 transitions. [2022-10-16 15:04:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:22,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 15:04:22,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:22,289 INFO L225 Difference]: With dead ends: 15323 [2022-10-16 15:04:22,289 INFO L226 Difference]: Without dead ends: 11040 [2022-10-16 15:04:22,297 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 15:04:22,298 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 242 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1306 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 15:04:22,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1306 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:22,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11040 states. [2022-10-16 15:04:22,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11040 to 11004. [2022-10-16 15:04:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11004 states, 10968 states have (on average 1.6332056892778994) internal successors, (17913), 11003 states have internal predecessors, (17913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11004 states to 11004 states and 17913 transitions. [2022-10-16 15:04:22,876 INFO L78 Accepts]: Start accepts. Automaton has 11004 states and 17913 transitions. Word has length 118 [2022-10-16 15:04:22,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:22,877 INFO L495 AbstractCegarLoop]: Abstraction has 11004 states and 17913 transitions. [2022-10-16 15:04:22,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 11004 states and 17913 transitions. [2022-10-16 15:04:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:04:22,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:22,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:22,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:04:22,882 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:22,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1410561354, now seen corresponding path program 1 times [2022-10-16 15:04:22,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:22,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825644224] [2022-10-16 15:04:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:22,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:23,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:23,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825644224] [2022-10-16 15:04:23,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825644224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:23,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:23,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:23,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356429020] [2022-10-16 15:04:23,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:23,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:23,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:23,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:23,016 INFO L87 Difference]: Start difference. First operand 11004 states and 17913 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:23,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:23,622 INFO L93 Difference]: Finished difference Result 22356 states and 36585 transitions. [2022-10-16 15:04:23,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:23,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 15:04:23,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:23,777 INFO L225 Difference]: With dead ends: 22356 [2022-10-16 15:04:23,777 INFO L226 Difference]: Without dead ends: 16042 [2022-10-16 15:04:23,794 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 15:04:23,795 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 249 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1314 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 15:04:23,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1314 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:23,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16042 states. [2022-10-16 15:04:24,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16042 to 16006. [2022-10-16 15:04:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16006 states, 15970 states have (on average 1.6353162179085785) internal successors, (26116), 16005 states have internal predecessors, (26116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16006 states to 16006 states and 26116 transitions. [2022-10-16 15:04:24,655 INFO L78 Accepts]: Start accepts. Automaton has 16006 states and 26116 transitions. Word has length 118 [2022-10-16 15:04:24,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:24,656 INFO L495 AbstractCegarLoop]: Abstraction has 16006 states and 26116 transitions. [2022-10-16 15:04:24,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:24,742 INFO L276 IsEmpty]: Start isEmpty. Operand 16006 states and 26116 transitions. [2022-10-16 15:04:24,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:04:24,744 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:24,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:24,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:04:24,745 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:24,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:24,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1351008476, now seen corresponding path program 1 times [2022-10-16 15:04:24,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:24,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413408575] [2022-10-16 15:04:24,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:24,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:24,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:24,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413408575] [2022-10-16 15:04:24,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413408575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:24,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:24,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:24,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023956045] [2022-10-16 15:04:24,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:24,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:24,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:24,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:24,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:24,974 INFO L87 Difference]: Start difference. First operand 16006 states and 26116 transitions. Second operand has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:26,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:26,060 INFO L93 Difference]: Finished difference Result 26072 states and 42762 transitions. [2022-10-16 15:04:26,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:26,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-10-16 15:04:26,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:26,129 INFO L225 Difference]: With dead ends: 26072 [2022-10-16 15:04:26,129 INFO L226 Difference]: Without dead ends: 26069 [2022-10-16 15:04:26,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:26,138 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 447 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:26,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 726 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:26,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26069 states. [2022-10-16 15:04:27,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26069 to 26037. [2022-10-16 15:04:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26037 states, 26001 states have (on average 1.633091034960194) internal successors, (42462), 26036 states have internal predecessors, (42462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26037 states to 26037 states and 42462 transitions. [2022-10-16 15:04:27,386 INFO L78 Accepts]: Start accepts. Automaton has 26037 states and 42462 transitions. Word has length 119 [2022-10-16 15:04:27,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:27,386 INFO L495 AbstractCegarLoop]: Abstraction has 26037 states and 42462 transitions. [2022-10-16 15:04:27,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 26037 states and 42462 transitions. [2022-10-16 15:04:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:04:27,389 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:27,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:27,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:04:27,390 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:27,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:27,390 INFO L85 PathProgramCache]: Analyzing trace with hash 898107736, now seen corresponding path program 1 times [2022-10-16 15:04:27,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:27,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993523338] [2022-10-16 15:04:27,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:27,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:27,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:27,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993523338] [2022-10-16 15:04:27,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993523338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:27,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:27,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:27,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646039185] [2022-10-16 15:04:27,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:27,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:27,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:27,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:27,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:27,497 INFO L87 Difference]: Start difference. First operand 26037 states and 42462 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:28,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:28,960 INFO L93 Difference]: Finished difference Result 55523 states and 90579 transitions. [2022-10-16 15:04:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:28,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 15:04:28,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:29,094 INFO L225 Difference]: With dead ends: 55523 [2022-10-16 15:04:29,094 INFO L226 Difference]: Without dead ends: 38796 [2022-10-16 15:04:29,139 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 15:04:29,140 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 235 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1305 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 15:04:29,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1305 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:29,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38796 states. [2022-10-16 15:04:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38796 to 38760. [2022-10-16 15:04:30,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38760 states, 38724 states have (on average 1.627672761078401) internal successors, (63030), 38759 states have internal predecessors, (63030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38760 states to 38760 states and 63030 transitions. [2022-10-16 15:04:31,006 INFO L78 Accepts]: Start accepts. Automaton has 38760 states and 63030 transitions. Word has length 120 [2022-10-16 15:04:31,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:31,006 INFO L495 AbstractCegarLoop]: Abstraction has 38760 states and 63030 transitions. [2022-10-16 15:04:31,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 38760 states and 63030 transitions. [2022-10-16 15:04:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:04:31,009 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:31,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:31,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:04:31,010 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:31,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:31,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1238976666, now seen corresponding path program 1 times [2022-10-16 15:04:31,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:31,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979254347] [2022-10-16 15:04:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:31,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:31,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:31,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979254347] [2022-10-16 15:04:31,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979254347] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:31,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:31,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:31,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700870935] [2022-10-16 15:04:31,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:31,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:31,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:31,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:31,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:31,225 INFO L87 Difference]: Start difference. First operand 38760 states and 63030 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:33,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:33,357 INFO L93 Difference]: Finished difference Result 58932 states and 94864 transitions. [2022-10-16 15:04:33,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:33,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 15:04:33,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:33,543 INFO L225 Difference]: With dead ends: 58932 [2022-10-16 15:04:33,543 INFO L226 Difference]: Without dead ends: 58931 [2022-10-16 15:04:33,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:33,562 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 450 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:33,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 669 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:04:33,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58931 states. [2022-10-16 15:04:35,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58931 to 58800. [2022-10-16 15:04:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58800 states, 58764 states have (on average 1.605830100061262) internal successors, (94365), 58799 states have internal predecessors, (94365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58800 states to 58800 states and 94365 transitions. [2022-10-16 15:04:36,030 INFO L78 Accepts]: Start accepts. Automaton has 58800 states and 94365 transitions. Word has length 121 [2022-10-16 15:04:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:36,031 INFO L495 AbstractCegarLoop]: Abstraction has 58800 states and 94365 transitions. [2022-10-16 15:04:36,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 58800 states and 94365 transitions. [2022-10-16 15:04:36,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:04:36,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:36,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:36,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:04:36,035 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:36,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:36,036 INFO L85 PathProgramCache]: Analyzing trace with hash 246430440, now seen corresponding path program 1 times [2022-10-16 15:04:36,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:36,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976071870] [2022-10-16 15:04:36,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:36,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:36,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:36,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976071870] [2022-10-16 15:04:36,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976071870] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:36,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:36,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:36,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284473339] [2022-10-16 15:04:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:36,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:36,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:36,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:36,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:36,426 INFO L87 Difference]: Start difference. First operand 58800 states and 94365 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:38,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:38,853 INFO L93 Difference]: Finished difference Result 102680 states and 165257 transitions. [2022-10-16 15:04:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:38,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 15:04:38,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:39,120 INFO L225 Difference]: With dead ends: 102680 [2022-10-16 15:04:39,120 INFO L226 Difference]: Without dead ends: 102679 [2022-10-16 15:04:39,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:39,160 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 448 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:39,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 701 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:39,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102679 states. [2022-10-16 15:04:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102679 to 102520. [2022-10-16 15:04:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102520 states, 102484 states have (on average 1.6059482455797978) internal successors, (164584), 102519 states have internal predecessors, (164584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102520 states to 102520 states and 164584 transitions. [2022-10-16 15:04:42,770 INFO L78 Accepts]: Start accepts. Automaton has 102520 states and 164584 transitions. Word has length 122 [2022-10-16 15:04:42,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:42,770 INFO L495 AbstractCegarLoop]: Abstraction has 102520 states and 164584 transitions. [2022-10-16 15:04:42,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 102520 states and 164584 transitions. [2022-10-16 15:04:42,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:04:42,771 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:42,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:42,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:04:42,772 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:42,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:42,773 INFO L85 PathProgramCache]: Analyzing trace with hash 89059436, now seen corresponding path program 1 times [2022-10-16 15:04:42,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:42,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730060212] [2022-10-16 15:04:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:43,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:43,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:43,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730060212] [2022-10-16 15:04:43,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730060212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:43,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:43,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:43,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778523206] [2022-10-16 15:04:43,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:43,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:43,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:43,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:43,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:43,146 INFO L87 Difference]: Start difference. First operand 102520 states and 164584 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:46,914 INFO L93 Difference]: Finished difference Result 208890 states and 335245 transitions. [2022-10-16 15:04:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:46,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 15:04:46,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:47,228 INFO L225 Difference]: With dead ends: 208890 [2022-10-16 15:04:47,228 INFO L226 Difference]: Without dead ends: 147131 [2022-10-16 15:04:47,330 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 15:04:47,331 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 228 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1288 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 15:04:47,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 1288 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:47,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147131 states. [2022-10-16 15:04:52,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147131 to 147095. [2022-10-16 15:04:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147095 states, 147059 states have (on average 1.5967400839118993) internal successors, (234815), 147094 states have internal predecessors, (234815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147095 states to 147095 states and 234815 transitions. [2022-10-16 15:04:53,336 INFO L78 Accepts]: Start accepts. Automaton has 147095 states and 234815 transitions. Word has length 122 [2022-10-16 15:04:53,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:53,337 INFO L495 AbstractCegarLoop]: Abstraction has 147095 states and 234815 transitions. [2022-10-16 15:04:53,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 147095 states and 234815 transitions. [2022-10-16 15:04:53,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 15:04:53,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:53,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:53,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:04:53,363 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:53,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:53,364 INFO L85 PathProgramCache]: Analyzing trace with hash 596497162, now seen corresponding path program 1 times [2022-10-16 15:04:53,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:53,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321777166] [2022-10-16 15:04:53,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:53,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:53,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:53,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321777166] [2022-10-16 15:04:53,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321777166] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:53,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:53,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:53,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083389048] [2022-10-16 15:04:53,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:53,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:53,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:53,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:53,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:53,528 INFO L87 Difference]: Start difference. First operand 147095 states and 234815 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:59,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:59,247 INFO L93 Difference]: Finished difference Result 228993 states and 363009 transitions. [2022-10-16 15:04:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:59,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 15:04:59,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:59,725 INFO L225 Difference]: With dead ends: 228993 [2022-10-16 15:04:59,725 INFO L226 Difference]: Without dead ends: 228992 [2022-10-16 15:04:59,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:59,781 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 447 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:59,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 677 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:59,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228992 states. [2022-10-16 15:05:07,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228992 to 228409. [2022-10-16 15:05:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228409 states, 228373 states have (on average 1.5816318041099429) internal successors, (361202), 228408 states have internal predecessors, (361202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228409 states to 228409 states and 361202 transitions. [2022-10-16 15:05:08,606 INFO L78 Accepts]: Start accepts. Automaton has 228409 states and 361202 transitions. Word has length 124 [2022-10-16 15:05:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:08,606 INFO L495 AbstractCegarLoop]: Abstraction has 228409 states and 361202 transitions. [2022-10-16 15:05:08,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:08,607 INFO L276 IsEmpty]: Start isEmpty. Operand 228409 states and 361202 transitions. [2022-10-16 15:05:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:05:08,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:08,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:08,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:05:08,609 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:08,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:08,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1311544267, now seen corresponding path program 1 times [2022-10-16 15:05:08,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:08,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229489635] [2022-10-16 15:05:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:08,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:05:08,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:08,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229489635] [2022-10-16 15:05:08,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229489635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:08,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:08,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:05:08,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050259318] [2022-10-16 15:05:08,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:08,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:08,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:08,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:08,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:08,769 INFO L87 Difference]: Start difference. First operand 228409 states and 361202 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:19,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:19,922 INFO L93 Difference]: Finished difference Result 403028 states and 637532 transitions. [2022-10-16 15:05:19,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:19,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-16 15:05:19,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:20,859 INFO L225 Difference]: With dead ends: 403028 [2022-10-16 15:05:20,859 INFO L226 Difference]: Without dead ends: 403027 [2022-10-16 15:05:21,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:05:21,002 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 445 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:21,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 700 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:05:21,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403027 states. [2022-10-16 15:05:34,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403027 to 402418. [2022-10-16 15:05:35,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402418 states, 402382 states have (on average 1.5787858303800866) internal successors, (635275), 402417 states have internal predecessors, (635275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402418 states to 402418 states and 635275 transitions. [2022-10-16 15:05:37,390 INFO L78 Accepts]: Start accepts. Automaton has 402418 states and 635275 transitions. Word has length 125 [2022-10-16 15:05:37,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:37,390 INFO L495 AbstractCegarLoop]: Abstraction has 402418 states and 635275 transitions. [2022-10-16 15:05:37,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 402418 states and 635275 transitions. [2022-10-16 15:05:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:05:37,392 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:37,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:37,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:05:37,394 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:37,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:37,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1968668685, now seen corresponding path program 1 times [2022-10-16 15:05:37,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:37,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902111274] [2022-10-16 15:05:37,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:37,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:37,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:05:37,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:37,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902111274] [2022-10-16 15:05:37,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902111274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:37,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:37,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:05:37,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738428154] [2022-10-16 15:05:37,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:37,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:37,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:37,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:37,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:37,548 INFO L87 Difference]: Start difference. First operand 402418 states and 635275 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:55,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:55,116 INFO L93 Difference]: Finished difference Result 658515 states and 1035829 transitions. [2022-10-16 15:05:55,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:55,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-16 15:05:55,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:56,744 INFO L225 Difference]: With dead ends: 658515 [2022-10-16 15:05:56,744 INFO L226 Difference]: Without dead ends: 658514 [2022-10-16 15:05:57,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:05:57,008 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 444 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:57,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 707 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:05:57,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658514 states. [2022-10-16 15:06:23,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658514 to 656654. [2022-10-16 15:06:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656654 states, 656618 states have (on average 1.5702006341586736) internal successors, (1031022), 656653 states have internal predecessors, (1031022), 0 states have call successors, (0), 0 states 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 15:06:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656654 states to 656654 states and 1031022 transitions. [2022-10-16 15:06:29,945 INFO L78 Accepts]: Start accepts. Automaton has 656654 states and 1031022 transitions. Word has length 127 [2022-10-16 15:06:29,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:06:29,946 INFO L495 AbstractCegarLoop]: Abstraction has 656654 states and 1031022 transitions. [2022-10-16 15:06:29,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states 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 15:06:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 656654 states and 1031022 transitions. [2022-10-16 15:06:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 15:06:29,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:06:29,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:29,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:06:29,948 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:06:29,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:06:29,949 INFO L85 PathProgramCache]: Analyzing trace with hash 899188527, now seen corresponding path program 1 times [2022-10-16 15:06:29,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:06:29,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42071971] [2022-10-16 15:06:29,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:06:29,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:06:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:06:30,204 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 15:06:30,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:06:30,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42071971] [2022-10-16 15:06:30,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42071971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:06:30,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:06:30,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:06:30,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340300067] [2022-10-16 15:06:30,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:06:30,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:06:30,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:06:30,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:06:30,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:06:30,206 INFO L87 Difference]: Start difference. First operand 656654 states and 1031022 transitions. Second operand has 3 states, 2 states have (on average 64.0) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 15:07:06,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:07:06,133 INFO L93 Difference]: Finished difference Result 1189872 states and 1869212 transitions. [2022-10-16 15:07:06,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:07:06,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 64.0) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 15:07:06,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:07:11,257 INFO L225 Difference]: With dead ends: 1189872 [2022-10-16 15:07:11,258 INFO L226 Difference]: Without dead ends: 1189871 [2022-10-16 15:07:12,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:07:12,052 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 442 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:07:12,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 740 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:07:13,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189871 states.