/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_lcr.7.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:57:42,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:57:42,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:57:42,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:57:42,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:57:42,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:57:42,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:57:42,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:57:42,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:57:42,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:57:42,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:57:42,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:57:42,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:57:42,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:57:42,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:57:42,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:57:42,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:57:42,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:57:42,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:57:42,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:57:42,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:57:42,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:57:42,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:57:42,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:57:42,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:57:42,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:57:42,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:57:42,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:57:42,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:57:42,727 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:57:42,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:57:42,728 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:57:42,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:57:42,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:57:42,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:57:42,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:57:42,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:57:42,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:57:42,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:57:42,729 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:57:42,729 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:57:42,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:57:42,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:57:42,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:57:42,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:57:42,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:57:42,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:57:42,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:57:42,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:57:42,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:57:42,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:57:42,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:57:42,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:57:42,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:57:42,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:57:43,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:57:43,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:57:43,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:57:43,129 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:57:43,130 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:57:43,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:43,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49829f4f5/d010dd875dc643d28156bf53eee4a1a0/FLAGab9a638b4 [2022-10-15 21:57:44,018 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:57:44,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:44,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49829f4f5/d010dd875dc643d28156bf53eee4a1a0/FLAGab9a638b4 [2022-10-15 21:57:44,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49829f4f5/d010dd875dc643d28156bf53eee4a1a0 [2022-10-15 21:57:44,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:57:44,337 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:57:44,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:57:44,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:57:44,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:57:44,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552d4dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44, skipping insertion in model container [2022-10-15 21:57:44,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:57:44,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:57:44,724 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_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2022-10-15 21:57:44,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:57:44,746 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:57:44,846 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_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2022-10-15 21:57:44,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:57:44,866 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:57:44,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44 WrapperNode [2022-10-15 21:57:44,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:57:44,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:57:44,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:57:44,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:57:44,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,949 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 489 [2022-10-15 21:57:44,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:57:44,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:57:44,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:57:44,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:57:44,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:44,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:45,002 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:45,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:45,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:57:45,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:57:45,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:57:45,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:57:45,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (1/1) ... [2022-10-15 21:57:45,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:57:45,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:57:45,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:57:45,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:57:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:57:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:57:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:57:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:57:45,247 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:57:45,252 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:57:46,198 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:57:46,224 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:57:46,224 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:57:46,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:57:46 BoogieIcfgContainer [2022-10-15 21:57:46,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:57:46,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:57:46,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:57:46,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:57:46,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:57:44" (1/3) ... [2022-10-15 21:57:46,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57beb4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:57:46, skipping insertion in model container [2022-10-15 21:57:46,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:57:44" (2/3) ... [2022-10-15 21:57:46,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57beb4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:57:46, skipping insertion in model container [2022-10-15 21:57:46,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:57:46" (3/3) ... [2022-10-15 21:57:46,246 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c [2022-10-15 21:57:46,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:57:46,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-10-15 21:57:46,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:57:46,393 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;@30118eec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:57:46,394 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-10-15 21:57:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 165 states have (on average 1.8060606060606061) internal successors, (298), 203 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 21:57:46,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:46,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:46,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:46,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1575213303, now seen corresponding path program 1 times [2022-10-15 21:57:46,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:46,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146601820] [2022-10-15 21:57:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:46,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:46,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:46,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:46,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146601820] [2022-10-15 21:57:46,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146601820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:46,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:46,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:57:46,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346570195] [2022-10-15 21:57:46,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:46,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:57:46,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:46,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:57:46,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:57:46,790 INFO L87 Difference]: Start difference. First operand has 204 states, 165 states have (on average 1.8060606060606061) internal successors, (298), 203 states have internal predecessors, (298), 0 states have call successors, (0), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:46,835 INFO L93 Difference]: Finished difference Result 347 states and 487 transitions. [2022-10-15 21:57:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:57:46,838 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-15 21:57:46,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:46,851 INFO L225 Difference]: With dead ends: 347 [2022-10-15 21:57:46,851 INFO L226 Difference]: Without dead ends: 197 [2022-10-15 21:57:46,856 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 [2022-10-15 21:57:46,861 INFO L413 NwaCegarLoop]: 289 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, 289 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 [2022-10-15 21:57:46,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:46,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-15 21:57:46,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-10-15 21:57:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 161 states have (on average 1.7888198757763976) internal successors, (288), 196 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 288 transitions. [2022-10-15 21:57:46,924 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 288 transitions. Word has length 11 [2022-10-15 21:57:46,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:46,925 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 288 transitions. [2022-10-15 21:57:46,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 288 transitions. [2022-10-15 21:57:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:57:46,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:46,929 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] [2022-10-15 21:57:46,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:57:46,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:46,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:46,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1923019480, now seen corresponding path program 1 times [2022-10-15 21:57:46,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:46,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553522487] [2022-10-15 21:57:46,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:46,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:47,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:47,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553522487] [2022-10-15 21:57:47,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553522487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:47,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:47,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:57:47,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027886165] [2022-10-15 21:57:47,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:47,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:47,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:47,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:47,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:47,295 INFO L87 Difference]: Start difference. First operand 197 states and 288 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:47,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:47,413 INFO L93 Difference]: Finished difference Result 342 states and 474 transitions. [2022-10-15 21:57:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:57:47,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-15 21:57:47,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:47,416 INFO L225 Difference]: With dead ends: 342 [2022-10-15 21:57:47,416 INFO L226 Difference]: Without dead ends: 197 [2022-10-15 21:57:47,418 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 [2022-10-15 21:57:47,419 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 3 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:47,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1091 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:57:47,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-15 21:57:47,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-10-15 21:57:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 161 states have (on average 1.4782608695652173) internal successors, (238), 196 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 238 transitions. [2022-10-15 21:57:47,437 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 238 transitions. Word has length 37 [2022-10-15 21:57:47,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:47,438 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 238 transitions. [2022-10-15 21:57:47,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:47,438 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 238 transitions. [2022-10-15 21:57:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:57:47,442 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:47,442 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] [2022-10-15 21:57:47,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:57:47,443 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:47,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:47,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1299184460, now seen corresponding path program 1 times [2022-10-15 21:57:47,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:47,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825209992] [2022-10-15 21:57:47,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:47,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:47,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:47,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825209992] [2022-10-15 21:57:47,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825209992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:47,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:47,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:47,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940199146] [2022-10-15 21:57:47,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:47,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:47,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:47,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:47,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:47,724 INFO L87 Difference]: Start difference. First operand 197 states and 238 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:47,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:47,758 INFO L93 Difference]: Finished difference Result 473 states and 592 transitions. [2022-10-15 21:57:47,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:47,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-15 21:57:47,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:47,763 INFO L225 Difference]: With dead ends: 473 [2022-10-15 21:57:47,763 INFO L226 Difference]: Without dead ends: 332 [2022-10-15 21:57:47,765 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 [2022-10-15 21:57:47,767 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 164 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 564 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 [2022-10-15 21:57:47,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 564 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:47,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2022-10-15 21:57:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 296. [2022-10-15 21:57:47,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 260 states have (on average 1.573076923076923) internal successors, (409), 295 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 409 transitions. [2022-10-15 21:57:47,800 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 409 transitions. Word has length 86 [2022-10-15 21:57:47,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:47,800 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 409 transitions. [2022-10-15 21:57:47,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 409 transitions. [2022-10-15 21:57:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:57:47,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:47,805 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] [2022-10-15 21:57:47,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:57:47,805 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:47,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:47,806 INFO L85 PathProgramCache]: Analyzing trace with hash -640846398, now seen corresponding path program 1 times [2022-10-15 21:57:47,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:47,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701892100] [2022-10-15 21:57:47,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:47,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:48,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:48,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701892100] [2022-10-15 21:57:48,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701892100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:48,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:48,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:48,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140361367] [2022-10-15 21:57:48,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:48,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:48,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:48,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:48,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:48,062 INFO L87 Difference]: Start difference. First operand 296 states and 409 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:48,118 INFO L93 Difference]: Finished difference Result 764 states and 1095 transitions. [2022-10-15 21:57:48,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:48,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-15 21:57:48,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:48,124 INFO L225 Difference]: With dead ends: 764 [2022-10-15 21:57:48,124 INFO L226 Difference]: Without dead ends: 524 [2022-10-15 21:57:48,129 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 [2022-10-15 21:57:48,140 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 160 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 563 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 [2022-10-15 21:57:48,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 563 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:48,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-10-15 21:57:48,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 488. [2022-10-15 21:57:48,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 452 states have (on average 1.6371681415929205) internal successors, (740), 487 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 740 transitions. [2022-10-15 21:57:48,190 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 740 transitions. Word has length 86 [2022-10-15 21:57:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:48,191 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 740 transitions. [2022-10-15 21:57:48,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 740 transitions. [2022-10-15 21:57:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:57:48,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:48,202 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] [2022-10-15 21:57:48,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:57:48,202 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:48,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:48,205 INFO L85 PathProgramCache]: Analyzing trace with hash 2059836216, now seen corresponding path program 1 times [2022-10-15 21:57:48,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:48,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507653541] [2022-10-15 21:57:48,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:48,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:48,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:48,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507653541] [2022-10-15 21:57:48,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507653541] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:48,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:48,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:48,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319452223] [2022-10-15 21:57:48,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:48,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:48,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:48,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:48,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:48,344 INFO L87 Difference]: Start difference. First operand 488 states and 740 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:48,391 INFO L93 Difference]: Finished difference Result 1328 states and 2068 transitions. [2022-10-15 21:57:48,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:48,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-15 21:57:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:48,398 INFO L225 Difference]: With dead ends: 1328 [2022-10-15 21:57:48,398 INFO L226 Difference]: Without dead ends: 896 [2022-10-15 21:57:48,400 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 [2022-10-15 21:57:48,401 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 156 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 562 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 [2022-10-15 21:57:48,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 562 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2022-10-15 21:57:48,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 860. [2022-10-15 21:57:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 824 states have (on average 1.674757281553398) internal successors, (1380), 859 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1380 transitions. [2022-10-15 21:57:48,442 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1380 transitions. Word has length 86 [2022-10-15 21:57:48,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:48,442 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1380 transitions. [2022-10-15 21:57:48,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1380 transitions. [2022-10-15 21:57:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:57:48,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:48,444 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] [2022-10-15 21:57:48,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:57:48,445 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:48,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1897337938, now seen corresponding path program 1 times [2022-10-15 21:57:48,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:48,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715653315] [2022-10-15 21:57:48,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:48,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:48,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:48,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715653315] [2022-10-15 21:57:48,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715653315] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:48,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:48,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:48,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667497684] [2022-10-15 21:57:48,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:48,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:48,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:48,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:48,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:48,628 INFO L87 Difference]: Start difference. First operand 860 states and 1380 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:48,703 INFO L93 Difference]: Finished difference Result 2420 states and 3948 transitions. [2022-10-15 21:57:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:48,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-15 21:57:48,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:48,715 INFO L225 Difference]: With dead ends: 2420 [2022-10-15 21:57:48,715 INFO L226 Difference]: Without dead ends: 1616 [2022-10-15 21:57:48,717 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 [2022-10-15 21:57:48,720 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 152 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 561 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 [2022-10-15 21:57:48,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 561 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:48,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2022-10-15 21:57:48,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1580. [2022-10-15 21:57:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1544 states have (on average 1.694300518134715) internal successors, (2616), 1579 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2616 transitions. [2022-10-15 21:57:48,807 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2616 transitions. Word has length 86 [2022-10-15 21:57:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:48,809 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2616 transitions. [2022-10-15 21:57:48,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2616 transitions. [2022-10-15 21:57:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:57:48,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:48,816 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] [2022-10-15 21:57:48,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:57:48,817 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:48,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:48,817 INFO L85 PathProgramCache]: Analyzing trace with hash -679352540, now seen corresponding path program 1 times [2022-10-15 21:57:48,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:48,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624181484] [2022-10-15 21:57:48,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:48,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:48,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:48,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624181484] [2022-10-15 21:57:48,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624181484] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:48,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:48,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:48,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261224303] [2022-10-15 21:57:48,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:48,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:48,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:48,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:48,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:48,928 INFO L87 Difference]: Start difference. First operand 1580 states and 2616 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:49,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:49,065 INFO L93 Difference]: Finished difference Result 4532 states and 7576 transitions. [2022-10-15 21:57:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:49,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-15 21:57:49,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:49,084 INFO L225 Difference]: With dead ends: 4532 [2022-10-15 21:57:49,085 INFO L226 Difference]: Without dead ends: 3008 [2022-10-15 21:57:49,088 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 [2022-10-15 21:57:49,089 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 148 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 560 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 [2022-10-15 21:57:49,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 560 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:49,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2022-10-15 21:57:49,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 2972. [2022-10-15 21:57:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2972 states, 2936 states have (on average 1.7029972752043596) internal successors, (5000), 2971 states have internal predecessors, (5000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 5000 transitions. [2022-10-15 21:57:49,294 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 5000 transitions. Word has length 86 [2022-10-15 21:57:49,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:49,294 INFO L495 AbstractCegarLoop]: Abstraction has 2972 states and 5000 transitions. [2022-10-15 21:57:49,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 5000 transitions. [2022-10-15 21:57:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:57:49,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:49,296 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] [2022-10-15 21:57:49,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:57:49,297 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:49,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:49,297 INFO L85 PathProgramCache]: Analyzing trace with hash -660664934, now seen corresponding path program 1 times [2022-10-15 21:57:49,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:49,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709064526] [2022-10-15 21:57:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:49,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:49,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:49,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709064526] [2022-10-15 21:57:49,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709064526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:49,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:49,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:49,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335696888] [2022-10-15 21:57:49,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:49,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:57:49,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:49,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:57:49,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:57:49,465 INFO L87 Difference]: Start difference. First operand 2972 states and 5000 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:50,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:50,125 INFO L93 Difference]: Finished difference Result 8801 states and 14888 transitions. [2022-10-15 21:57:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:57:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-15 21:57:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:50,176 INFO L225 Difference]: With dead ends: 8801 [2022-10-15 21:57:50,176 INFO L226 Difference]: Without dead ends: 8798 [2022-10-15 21:57:50,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:50,181 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 555 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:50,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 384 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:57:50,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8798 states. [2022-10-15 21:57:50,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8798 to 5852. [2022-10-15 21:57:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5852 states, 5816 states have (on average 1.6932599724896837) internal successors, (9848), 5851 states have internal predecessors, (9848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:50,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 9848 transitions. [2022-10-15 21:57:50,655 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 9848 transitions. Word has length 86 [2022-10-15 21:57:50,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:50,656 INFO L495 AbstractCegarLoop]: Abstraction has 5852 states and 9848 transitions. [2022-10-15 21:57:50,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 9848 transitions. [2022-10-15 21:57:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:57:50,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:50,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:50,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:57:50,667 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:50,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:50,669 INFO L85 PathProgramCache]: Analyzing trace with hash 994224122, now seen corresponding path program 1 times [2022-10-15 21:57:50,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:50,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790453227] [2022-10-15 21:57:50,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:50,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:50,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:50,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790453227] [2022-10-15 21:57:50,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790453227] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:50,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:50,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:50,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398466515] [2022-10-15 21:57:50,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:50,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:57:50,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:50,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:57:50,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:57:50,832 INFO L87 Difference]: Start difference. First operand 5852 states and 9848 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:51,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:51,449 INFO L93 Difference]: Finished difference Result 8765 states and 14792 transitions. [2022-10-15 21:57:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:57:51,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-15 21:57:51,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:51,508 INFO L225 Difference]: With dead ends: 8765 [2022-10-15 21:57:51,513 INFO L226 Difference]: Without dead ends: 8762 [2022-10-15 21:57:51,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:51,520 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 554 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:51,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 269 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:57:51,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8762 states. [2022-10-15 21:57:52,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8762 to 8732. [2022-10-15 21:57:52,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 8696 states have (on average 1.6789328426862926) internal successors, (14600), 8731 states have internal predecessors, (14600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 14600 transitions. [2022-10-15 21:57:52,057 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 14600 transitions. Word has length 87 [2022-10-15 21:57:52,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:52,057 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 14600 transitions. [2022-10-15 21:57:52,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 14600 transitions. [2022-10-15 21:57:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:57:52,059 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:52,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:52,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:57:52,060 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:52,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:52,060 INFO L85 PathProgramCache]: Analyzing trace with hash 756177308, now seen corresponding path program 1 times [2022-10-15 21:57:52,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:52,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616118651] [2022-10-15 21:57:52,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:52,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:52,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:52,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616118651] [2022-10-15 21:57:52,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616118651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:52,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:52,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:57:52,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195737997] [2022-10-15 21:57:52,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:52,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:52,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:52,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:52,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:52,240 INFO L87 Difference]: Start difference. First operand 8732 states and 14600 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:53,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:53,296 INFO L93 Difference]: Finished difference Result 14582 states and 24200 transitions. [2022-10-15 21:57:53,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:57:53,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-15 21:57:53,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:53,338 INFO L225 Difference]: With dead ends: 14582 [2022-10-15 21:57:53,338 INFO L226 Difference]: Without dead ends: 14579 [2022-10-15 21:57:53,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:57:53,346 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 959 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:53,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 576 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:57:53,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14579 states. [2022-10-15 21:57:54,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14579 to 11612. [2022-10-15 21:57:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11612 states, 11576 states have (on average 1.663441603317208) internal successors, (19256), 11611 states have internal predecessors, (19256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11612 states to 11612 states and 19256 transitions. [2022-10-15 21:57:54,109 INFO L78 Accepts]: Start accepts. Automaton has 11612 states and 19256 transitions. Word has length 88 [2022-10-15 21:57:54,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:54,110 INFO L495 AbstractCegarLoop]: Abstraction has 11612 states and 19256 transitions. [2022-10-15 21:57:54,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 11612 states and 19256 transitions. [2022-10-15 21:57:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:57:54,112 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:54,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:54,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:57:54,113 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:54,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:54,114 INFO L85 PathProgramCache]: Analyzing trace with hash 674819214, now seen corresponding path program 1 times [2022-10-15 21:57:54,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:54,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783561793] [2022-10-15 21:57:54,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:54,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:54,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:54,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783561793] [2022-10-15 21:57:54,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783561793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:54,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:54,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:54,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979113166] [2022-10-15 21:57:54,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:54,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:54,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:54,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:54,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:54,206 INFO L87 Difference]: Start difference. First operand 11612 states and 19256 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:55,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:55,383 INFO L93 Difference]: Finished difference Result 33956 states and 56376 transitions. [2022-10-15 21:57:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:57:55,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-15 21:57:55,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:55,461 INFO L225 Difference]: With dead ends: 33956 [2022-10-15 21:57:55,462 INFO L226 Difference]: Without dead ends: 22400 [2022-10-15 21:57:55,485 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 [2022-10-15 21:57:55,486 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 168 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 573 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 [2022-10-15 21:57:55,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 573 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:57:55,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22400 states. [2022-10-15 21:57:56,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22400 to 22364. [2022-10-15 21:57:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22364 states, 22328 states have (on average 1.6592619132927267) internal successors, (37048), 22363 states have internal predecessors, (37048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22364 states to 22364 states and 37048 transitions. [2022-10-15 21:57:57,032 INFO L78 Accepts]: Start accepts. Automaton has 22364 states and 37048 transitions. Word has length 88 [2022-10-15 21:57:57,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:57,033 INFO L495 AbstractCegarLoop]: Abstraction has 22364 states and 37048 transitions. [2022-10-15 21:57:57,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 22364 states and 37048 transitions. [2022-10-15 21:57:57,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 21:57:57,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:57,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:57,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:57:57,036 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:57:57,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1966660668, now seen corresponding path program 1 times [2022-10-15 21:57:57,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:57,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522907713] [2022-10-15 21:57:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:57,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:57,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:57,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522907713] [2022-10-15 21:57:57,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522907713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:57,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:57,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:57:57,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330712531] [2022-10-15 21:57:57,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:57,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:57:57,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:57,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:57:57,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:57:57,182 INFO L87 Difference]: Start difference. First operand 22364 states and 37048 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:58,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:57:58,837 INFO L93 Difference]: Finished difference Result 27992 states and 46392 transitions. [2022-10-15 21:57:58,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:57:58,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-15 21:57:58,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:57:58,945 INFO L225 Difference]: With dead ends: 27992 [2022-10-15 21:57:58,945 INFO L226 Difference]: Without dead ends: 27989 [2022-10-15 21:57:58,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:57:58,956 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 966 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 966 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:57:58,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [966 Valid, 439 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:57:58,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27989 states. [2022-10-15 21:58:00,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27989 to 27932. [2022-10-15 21:58:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27932 states, 27896 states have (on average 1.6423860051620305) internal successors, (45816), 27931 states have internal predecessors, (45816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27932 states to 27932 states and 45816 transitions. [2022-10-15 21:58:00,836 INFO L78 Accepts]: Start accepts. Automaton has 27932 states and 45816 transitions. Word has length 89 [2022-10-15 21:58:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:00,837 INFO L495 AbstractCegarLoop]: Abstraction has 27932 states and 45816 transitions. [2022-10-15 21:58:00,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 27932 states and 45816 transitions. [2022-10-15 21:58:00,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:58:00,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:00,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:00,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:58:00,839 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:58:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash 836939166, now seen corresponding path program 1 times [2022-10-15 21:58:00,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:00,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329616689] [2022-10-15 21:58:00,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:00,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:01,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:01,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329616689] [2022-10-15 21:58:01,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329616689] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:01,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:01,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:58:01,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212092690] [2022-10-15 21:58:01,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:01,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:58:01,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:01,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:58:01,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:58:01,198 INFO L87 Difference]: Start difference. First operand 27932 states and 45816 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:03,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:03,206 INFO L93 Difference]: Finished difference Result 44741 states and 73080 transitions. [2022-10-15 21:58:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:58:03,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-15 21:58:03,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:03,362 INFO L225 Difference]: With dead ends: 44741 [2022-10-15 21:58:03,362 INFO L226 Difference]: Without dead ends: 44738 [2022-10-15 21:58:03,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:58:03,386 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1730 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:03,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1730 Valid, 826 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:58:03,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44738 states. [2022-10-15 21:58:05,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44738 to 33500. [2022-10-15 21:58:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33500 states, 33464 states have (on average 1.6253884771694955) internal successors, (54392), 33499 states have internal predecessors, (54392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33500 states to 33500 states and 54392 transitions. [2022-10-15 21:58:05,756 INFO L78 Accepts]: Start accepts. Automaton has 33500 states and 54392 transitions. Word has length 90 [2022-10-15 21:58:05,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:05,756 INFO L495 AbstractCegarLoop]: Abstraction has 33500 states and 54392 transitions. [2022-10-15 21:58:05,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 33500 states and 54392 transitions. [2022-10-15 21:58:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:58:05,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:05,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:05,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:58:05,760 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:58:05,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash 175310974, now seen corresponding path program 1 times [2022-10-15 21:58:05,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:05,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130305481] [2022-10-15 21:58:05,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:05,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:05,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:05,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130305481] [2022-10-15 21:58:05,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130305481] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:05,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:05,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:58:05,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939359609] [2022-10-15 21:58:05,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:05,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:58:05,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:05,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:58:05,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:58:05,952 INFO L87 Difference]: Start difference. First operand 33500 states and 54392 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:08,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:08,258 INFO L93 Difference]: Finished difference Result 44720 states and 72504 transitions. [2022-10-15 21:58:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:58:08,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 21:58:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:08,406 INFO L225 Difference]: With dead ends: 44720 [2022-10-15 21:58:08,407 INFO L226 Difference]: Without dead ends: 44717 [2022-10-15 21:58:08,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:58:08,434 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1513 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:08,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 623 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:58:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44717 states. [2022-10-15 21:58:10,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44717 to 44636. [2022-10-15 21:58:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44636 states, 44600 states have (on average 1.6084304932735427) internal successors, (71736), 44635 states have internal predecessors, (71736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44636 states to 44636 states and 71736 transitions. [2022-10-15 21:58:10,991 INFO L78 Accepts]: Start accepts. Automaton has 44636 states and 71736 transitions. Word has length 91 [2022-10-15 21:58:10,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:10,991 INFO L495 AbstractCegarLoop]: Abstraction has 44636 states and 71736 transitions. [2022-10-15 21:58:10,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 44636 states and 71736 transitions. [2022-10-15 21:58:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:58:10,993 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:10,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:10,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:58:10,993 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:58:10,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:10,994 INFO L85 PathProgramCache]: Analyzing trace with hash 863135715, now seen corresponding path program 1 times [2022-10-15 21:58:10,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:10,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476803121] [2022-10-15 21:58:10,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:10,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:11,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:11,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476803121] [2022-10-15 21:58:11,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476803121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:11,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:11,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:11,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574440305] [2022-10-15 21:58:11,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:11,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:11,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:11,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:11,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:11,294 INFO L87 Difference]: Start difference. First operand 44636 states and 71736 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:15,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:15,292 INFO L93 Difference]: Finished difference Result 129188 states and 207928 transitions. [2022-10-15 21:58:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:15,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 21:58:15,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:15,513 INFO L225 Difference]: With dead ends: 129188 [2022-10-15 21:58:15,514 INFO L226 Difference]: Without dead ends: 84608 [2022-10-15 21:58:15,589 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 [2022-10-15 21:58:15,590 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 168 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 579 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 [2022-10-15 21:58:15,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 579 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:15,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84608 states. [2022-10-15 21:58:20,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84608 to 84572. [2022-10-15 21:58:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84572 states, 84536 states have (on average 1.6056591274723195) internal successors, (135736), 84571 states have internal predecessors, (135736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84572 states to 84572 states and 135736 transitions. [2022-10-15 21:58:21,230 INFO L78 Accepts]: Start accepts. Automaton has 84572 states and 135736 transitions. Word has length 91 [2022-10-15 21:58:21,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:21,230 INFO L495 AbstractCegarLoop]: Abstraction has 84572 states and 135736 transitions. [2022-10-15 21:58:21,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 84572 states and 135736 transitions. [2022-10-15 21:58:21,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 21:58:21,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:21,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:21,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:58:21,232 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:58:21,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:21,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1139673504, now seen corresponding path program 1 times [2022-10-15 21:58:21,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:21,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163766836] [2022-10-15 21:58:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:21,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:21,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:21,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163766836] [2022-10-15 21:58:21,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163766836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:21,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:21,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:58:21,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461395753] [2022-10-15 21:58:21,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:21,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:58:21,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:21,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:58:21,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:58:21,413 INFO L87 Difference]: Start difference. First operand 84572 states and 135736 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:27,432 INFO L93 Difference]: Finished difference Result 126926 states and 203576 transitions. [2022-10-15 21:58:27,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:58:27,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 21:58:27,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:27,626 INFO L225 Difference]: With dead ends: 126926 [2022-10-15 21:58:27,627 INFO L226 Difference]: Without dead ends: 126923 [2022-10-15 21:58:27,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:58:27,654 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 2455 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2455 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:27,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 828 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:58:27,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126923 states. [2022-10-15 21:58:32,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126923 to 95132. [2022-10-15 21:58:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95132 states, 95096 states have (on average 1.5895516110036174) internal successors, (151160), 95131 states have internal predecessors, (151160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95132 states to 95132 states and 151160 transitions. [2022-10-15 21:58:32,916 INFO L78 Accepts]: Start accepts. Automaton has 95132 states and 151160 transitions. Word has length 92 [2022-10-15 21:58:32,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:32,917 INFO L495 AbstractCegarLoop]: Abstraction has 95132 states and 151160 transitions. [2022-10-15 21:58:32,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 95132 states and 151160 transitions. [2022-10-15 21:58:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 21:58:32,919 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:32,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:32,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:58:32,920 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:58:32,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:32,920 INFO L85 PathProgramCache]: Analyzing trace with hash 970140864, now seen corresponding path program 1 times [2022-10-15 21:58:32,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:32,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073930897] [2022-10-15 21:58:32,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:33,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:33,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073930897] [2022-10-15 21:58:33,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073930897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:33,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:33,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:58:33,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648271220] [2022-10-15 21:58:33,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:33,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:58:33,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:33,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:58:33,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:58:33,126 INFO L87 Difference]: Start difference. First operand 95132 states and 151160 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)