/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-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:36:52,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:36:52,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:36:52,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:36:52,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:36:52,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:36:52,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:36:52,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:36:52,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:36:52,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:36:52,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:36:52,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:36:52,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:36:52,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:36:52,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:36:52,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:36:52,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:36:52,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:36:52,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:36:52,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:36:52,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:36:52,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:36:52,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:36:52,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:36:52,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:36:52,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:36:52,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:36:52,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:36:52,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:36:52,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:36:52,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:36:52,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:36:52,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:36:52,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:36:52,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:36:52,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:36:52,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:36:52,703 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:36:52,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:36:52,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:36:52,704 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:36:52,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:36:52,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:36:52,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:36:52,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:36:52,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:36:52,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:36:52,707 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:36:52,708 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:36:52,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:36:52,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:36:52,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:36:52,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:36:52,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:36:52,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:36:52,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:36:52,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:36:52,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:36:52,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:36:52,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:36:52,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:36:52,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:36:52,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:36:53,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:36:53,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:36:53,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:36:53,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:36:53,226 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:36:53,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:36:53,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ac4f976/3c48b5338f674e699b8c9be6acedbad2/FLAGc4112f985 [2022-10-16 16:36:53,964 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:36:53,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:36:53,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ac4f976/3c48b5338f674e699b8c9be6acedbad2/FLAGc4112f985 [2022-10-16 16:36:54,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09ac4f976/3c48b5338f674e699b8c9be6acedbad2 [2022-10-16 16:36:54,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:36:54,305 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:36:54,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:36:54,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:36:54,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:36:54,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:36:54" (1/1) ... [2022-10-16 16:36:54,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7ea00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:54, skipping insertion in model container [2022-10-16 16:36:54,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:36:54" (1/1) ... [2022-10-16 16:36:54,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:36:54,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:36:54,747 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-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7667,7680] [2022-10-16 16:36:54,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:36:54,870 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:36:54,991 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-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7667,7680] [2022-10-16 16:36:55,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:36:55,059 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:36:55,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55 WrapperNode [2022-10-16 16:36:55,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:36:55,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:36:55,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:36:55,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:36:55,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,130 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 610 [2022-10-16 16:36:55,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:36:55,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:36:55,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:36:55,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:36:55,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:36:55,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:36:55,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:36:55,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:36:55,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (1/1) ... [2022-10-16 16:36:55,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:36:55,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:36:55,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:36:55,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:36:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:36:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:36:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:36:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:36:55,534 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:36:55,537 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:36:56,363 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:36:56,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:36:56,377 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:36:56,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:36:56 BoogieIcfgContainer [2022-10-16 16:36:56,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:36:56,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:36:56,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:36:56,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:36:56,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:36:54" (1/3) ... [2022-10-16 16:36:56,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b815a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:36:56, skipping insertion in model container [2022-10-16 16:36:56,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:55" (2/3) ... [2022-10-16 16:36:56,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b815a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:36:56, skipping insertion in model container [2022-10-16 16:36:56,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:36:56" (3/3) ... [2022-10-16 16:36:56,397 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:36:56,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:36:56,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-10-16 16:36:56,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:36:56,534 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;@5d6e1f54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:36:56,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-10-16 16:36:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 172 states have (on average 1.802325581395349) internal successors, (310), 210 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:36:56,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:56,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:56,555 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)] === [2022-10-16 16:36:56,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:56,562 INFO L85 PathProgramCache]: Analyzing trace with hash 346865202, now seen corresponding path program 1 times [2022-10-16 16:36:56,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:56,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626263758] [2022-10-16 16:36:56,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:56,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:57,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:57,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626263758] [2022-10-16 16:36:57,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626263758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:57,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:57,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:36:57,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370421268] [2022-10-16 16:36:57,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:57,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:36:57,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:57,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:36:57,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:36:57,080 INFO L87 Difference]: Start difference. First operand has 211 states, 172 states have (on average 1.802325581395349) internal successors, (310), 210 states have internal predecessors, (310), 0 states have call successors, (0), 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, 1 states have (on average 57.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:57,122 INFO L93 Difference]: Finished difference Result 214 states and 312 transitions. [2022-10-16 16:36:57,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:36:57,125 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 57.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 16:36:57,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:57,140 INFO L225 Difference]: With dead ends: 214 [2022-10-16 16:36:57,140 INFO L226 Difference]: Without dead ends: 206 [2022-10-16 16:36:57,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:36:57,149 INFO L413 NwaCegarLoop]: 307 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, 307 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:57,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:36:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-10-16 16:36:57,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2022-10-16 16:36:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 170 states have (on average 1.4941176470588236) internal successors, (254), 205 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 254 transitions. [2022-10-16 16:36:57,213 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 254 transitions. Word has length 57 [2022-10-16 16:36:57,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:57,214 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 254 transitions. [2022-10-16 16:36:57,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 57.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 254 transitions. [2022-10-16 16:36:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:36:57,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:57,219 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] [2022-10-16 16:36:57,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:36:57,220 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)] === [2022-10-16 16:36:57,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:57,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1447862597, now seen corresponding path program 1 times [2022-10-16 16:36:57,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:57,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334720703] [2022-10-16 16:36:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:57,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:57,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334720703] [2022-10-16 16:36:57,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334720703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:57,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:57,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:57,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180332299] [2022-10-16 16:36:57,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:57,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:36:57,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:57,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:36:57,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:57,696 INFO L87 Difference]: Start difference. First operand 206 states and 254 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:57,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:57,830 INFO L93 Difference]: Finished difference Result 504 states and 643 transitions. [2022-10-16 16:36:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:36:57,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:36:57,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:57,838 INFO L225 Difference]: With dead ends: 504 [2022-10-16 16:36:57,843 INFO L226 Difference]: Without dead ends: 351 [2022-10-16 16:36:57,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:57,848 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 186 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:57,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:36:57,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-10-16 16:36:57,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 315. [2022-10-16 16:36:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 279 states have (on average 1.5806451612903225) internal successors, (441), 314 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 441 transitions. [2022-10-16 16:36:57,908 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 441 transitions. Word has length 84 [2022-10-16 16:36:57,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:57,908 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 441 transitions. [2022-10-16 16:36:57,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 441 transitions. [2022-10-16 16:36:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:36:57,912 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:57,913 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] [2022-10-16 16:36:57,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:36:57,913 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)] === [2022-10-16 16:36:57,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:57,914 INFO L85 PathProgramCache]: Analyzing trace with hash -549783411, now seen corresponding path program 1 times [2022-10-16 16:36:57,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:57,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613914282] [2022-10-16 16:36:57,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:57,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:58,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:58,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613914282] [2022-10-16 16:36:58,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613914282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:58,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:58,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:58,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183806986] [2022-10-16 16:36:58,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:58,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:36:58,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:58,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:36:58,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:58,108 INFO L87 Difference]: Start difference. First operand 315 states and 441 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:58,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:58,198 INFO L93 Difference]: Finished difference Result 823 states and 1191 transitions. [2022-10-16 16:36:58,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:36:58,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:36:58,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:58,206 INFO L225 Difference]: With dead ends: 823 [2022-10-16 16:36:58,206 INFO L226 Difference]: Without dead ends: 561 [2022-10-16 16:36:58,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:58,220 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 181 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:58,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 614 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:36:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-10-16 16:36:58,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 525. [2022-10-16 16:36:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 489 states have (on average 1.638036809815951) internal successors, (801), 524 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 801 transitions. [2022-10-16 16:36:58,279 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 801 transitions. Word has length 85 [2022-10-16 16:36:58,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:58,279 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 801 transitions. [2022-10-16 16:36:58,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 801 transitions. [2022-10-16 16:36:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:36:58,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:58,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:58,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:36:58,284 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)] === [2022-10-16 16:36:58,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:58,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1809123045, now seen corresponding path program 1 times [2022-10-16 16:36:58,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:58,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333157352] [2022-10-16 16:36:58,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:58,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:58,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:58,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:58,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333157352] [2022-10-16 16:36:58,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333157352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:58,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:58,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:58,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273102081] [2022-10-16 16:36:58,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:58,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:36:58,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:58,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:36:58,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:58,475 INFO L87 Difference]: Start difference. First operand 525 states and 801 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) [2022-10-16 16:36:58,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:58,571 INFO L93 Difference]: Finished difference Result 1437 states and 2245 transitions. [2022-10-16 16:36:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:36:58,572 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 [2022-10-16 16:36:58,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:58,581 INFO L225 Difference]: With dead ends: 1437 [2022-10-16 16:36:58,581 INFO L226 Difference]: Without dead ends: 965 [2022-10-16 16:36:58,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:58,586 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 176 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:58,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 610 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:36:58,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-10-16 16:36:58,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 929. [2022-10-16 16:36:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 893 states have (on average 1.6718924972004479) internal successors, (1493), 928 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1493 transitions. [2022-10-16 16:36:58,665 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1493 transitions. Word has length 86 [2022-10-16 16:36:58,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:58,666 INFO L495 AbstractCegarLoop]: Abstraction has 929 states and 1493 transitions. [2022-10-16 16:36:58,666 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) [2022-10-16 16:36:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1493 transitions. [2022-10-16 16:36:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:36:58,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:58,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:58,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:36:58,670 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)] === [2022-10-16 16:36:58,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:58,670 INFO L85 PathProgramCache]: Analyzing trace with hash 565650529, now seen corresponding path program 1 times [2022-10-16 16:36:58,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:58,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897624698] [2022-10-16 16:36:58,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:58,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:58,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:58,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897624698] [2022-10-16 16:36:58,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897624698] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:58,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:58,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:58,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683515352] [2022-10-16 16:36:58,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:58,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:36:58,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:58,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:36:58,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:58,839 INFO L87 Difference]: Start difference. First operand 929 states and 1493 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:58,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:58,977 INFO L93 Difference]: Finished difference Result 2617 states and 4269 transitions. [2022-10-16 16:36:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:36:58,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:36:58,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:58,990 INFO L225 Difference]: With dead ends: 2617 [2022-10-16 16:36:58,991 INFO L226 Difference]: Without dead ends: 1741 [2022-10-16 16:36:58,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:58,994 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 171 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:58,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 606 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:36:58,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2022-10-16 16:36:59,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1705. [2022-10-16 16:36:59,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1669 states have (on average 1.6902336728579987) internal successors, (2821), 1704 states have internal predecessors, (2821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2821 transitions. [2022-10-16 16:36:59,167 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2821 transitions. Word has length 87 [2022-10-16 16:36:59,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:59,168 INFO L495 AbstractCegarLoop]: Abstraction has 1705 states and 2821 transitions. [2022-10-16 16:36:59,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2821 transitions. [2022-10-16 16:36:59,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:36:59,174 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:59,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:59,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:36:59,176 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)] === [2022-10-16 16:36:59,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:59,178 INFO L85 PathProgramCache]: Analyzing trace with hash 297688631, now seen corresponding path program 1 times [2022-10-16 16:36:59,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:59,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735659885] [2022-10-16 16:36:59,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:59,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:59,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:59,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735659885] [2022-10-16 16:36:59,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735659885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:59,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:59,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:59,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497830538] [2022-10-16 16:36:59,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:59,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:36:59,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:59,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:36:59,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:59,365 INFO L87 Difference]: Start difference. First operand 1705 states and 2821 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) [2022-10-16 16:36:59,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:59,681 INFO L93 Difference]: Finished difference Result 4881 states and 8149 transitions. [2022-10-16 16:36:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:36:59,681 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 [2022-10-16 16:36:59,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:59,701 INFO L225 Difference]: With dead ends: 4881 [2022-10-16 16:36:59,701 INFO L226 Difference]: Without dead ends: 3229 [2022-10-16 16:36:59,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:36:59,707 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 166 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:59,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 602 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:36:59,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3229 states. [2022-10-16 16:36:59,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3229 to 3193. [2022-10-16 16:36:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3193 states, 3157 states have (on average 1.699398162812797) internal successors, (5365), 3192 states have internal predecessors, (5365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 3193 states and 5365 transitions. [2022-10-16 16:37:00,001 INFO L78 Accepts]: Start accepts. Automaton has 3193 states and 5365 transitions. Word has length 88 [2022-10-16 16:37:00,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:00,001 INFO L495 AbstractCegarLoop]: Abstraction has 3193 states and 5365 transitions. [2022-10-16 16:37:00,001 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) [2022-10-16 16:37:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 5365 transitions. [2022-10-16 16:37:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:37:00,010 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:00,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:00,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:37:00,011 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)] === [2022-10-16 16:37:00,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:00,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1260210211, now seen corresponding path program 1 times [2022-10-16 16:37:00,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:00,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349625571] [2022-10-16 16:37:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:00,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:00,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:00,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349625571] [2022-10-16 16:37:00,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349625571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:00,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:00,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:00,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232348612] [2022-10-16 16:37:00,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:00,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:37:00,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:00,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:37:00,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:00,218 INFO L87 Difference]: Start difference. First operand 3193 states and 5365 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:00,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:00,791 INFO L93 Difference]: Finished difference Result 9217 states and 15573 transitions. [2022-10-16 16:37:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:37:00,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 16:37:00,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:00,846 INFO L225 Difference]: With dead ends: 9217 [2022-10-16 16:37:00,846 INFO L226 Difference]: Without dead ends: 6077 [2022-10-16 16:37:00,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:00,853 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 161 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:00,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:37:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6077 states. [2022-10-16 16:37:01,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6077 to 6041. [2022-10-16 16:37:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6041 states, 6005 states have (on average 1.703413821815154) internal successors, (10229), 6040 states have internal predecessors, (10229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6041 states to 6041 states and 10229 transitions. [2022-10-16 16:37:01,418 INFO L78 Accepts]: Start accepts. Automaton has 6041 states and 10229 transitions. Word has length 89 [2022-10-16 16:37:01,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:01,418 INFO L495 AbstractCegarLoop]: Abstraction has 6041 states and 10229 transitions. [2022-10-16 16:37:01,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 6041 states and 10229 transitions. [2022-10-16 16:37:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:37:01,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:01,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:01,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:37:01,421 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)] === [2022-10-16 16:37:01,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:01,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1080736591, now seen corresponding path program 1 times [2022-10-16 16:37:01,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:01,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542040405] [2022-10-16 16:37:01,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:01,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:01,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:01,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542040405] [2022-10-16 16:37:01,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542040405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:01,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:01,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:01,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911674778] [2022-10-16 16:37:01,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:01,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:01,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:01,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:01,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:01,603 INFO L87 Difference]: Start difference. First operand 6041 states and 10229 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:03,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:03,307 INFO L93 Difference]: Finished difference Result 18014 states and 30581 transitions. [2022-10-16 16:37:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:03,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:37:03,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:03,402 INFO L225 Difference]: With dead ends: 18014 [2022-10-16 16:37:03,402 INFO L226 Difference]: Without dead ends: 18011 [2022-10-16 16:37:03,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:03,409 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 602 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:03,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 509 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:03,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18011 states. [2022-10-16 16:37:04,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18011 to 11993. [2022-10-16 16:37:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11993 states, 11957 states have (on average 1.6904741992138497) internal successors, (20213), 11992 states have internal predecessors, (20213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11993 states to 11993 states and 20213 transitions. [2022-10-16 16:37:04,641 INFO L78 Accepts]: Start accepts. Automaton has 11993 states and 20213 transitions. Word has length 90 [2022-10-16 16:37:04,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:04,642 INFO L495 AbstractCegarLoop]: Abstraction has 11993 states and 20213 transitions. [2022-10-16 16:37:04,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 11993 states and 20213 transitions. [2022-10-16 16:37:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:37:04,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:04,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:04,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:37:04,644 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)] === [2022-10-16 16:37:04,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:04,645 INFO L85 PathProgramCache]: Analyzing trace with hash 856904337, now seen corresponding path program 1 times [2022-10-16 16:37:04,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:04,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24771514] [2022-10-16 16:37:04,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:04,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:04,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:04,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24771514] [2022-10-16 16:37:04,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24771514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:04,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:04,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:04,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877826020] [2022-10-16 16:37:04,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:04,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:37:04,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:04,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:37:04,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:37:04,817 INFO L87 Difference]: Start difference. First operand 11993 states and 20213 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:06,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:06,634 INFO L93 Difference]: Finished difference Result 17978 states and 30389 transitions. [2022-10-16 16:37:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:37:06,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:37:06,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:06,685 INFO L225 Difference]: With dead ends: 17978 [2022-10-16 16:37:06,685 INFO L226 Difference]: Without dead ends: 17975 [2022-10-16 16:37:06,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:06,695 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 595 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:06,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 304 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:37:06,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17975 states. [2022-10-16 16:37:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17975 to 17945. [2022-10-16 16:37:08,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17945 states, 17909 states have (on average 1.6754145960131777) internal successors, (30005), 17944 states have internal predecessors, (30005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17945 states to 17945 states and 30005 transitions. [2022-10-16 16:37:08,637 INFO L78 Accepts]: Start accepts. Automaton has 17945 states and 30005 transitions. Word has length 91 [2022-10-16 16:37:08,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:08,637 INFO L495 AbstractCegarLoop]: Abstraction has 17945 states and 30005 transitions. [2022-10-16 16:37:08,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 17945 states and 30005 transitions. [2022-10-16 16:37:08,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:37:08,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:08,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:08,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:37:08,640 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)] === [2022-10-16 16:37:08,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:08,641 INFO L85 PathProgramCache]: Analyzing trace with hash 794230963, now seen corresponding path program 1 times [2022-10-16 16:37:08,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:08,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044016470] [2022-10-16 16:37:08,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:08,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:08,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:08,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044016470] [2022-10-16 16:37:08,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044016470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:08,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:08,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:08,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507314051] [2022-10-16 16:37:08,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:08,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:08,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:08,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:08,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:08,837 INFO L87 Difference]: Start difference. First operand 17945 states and 30005 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:11,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:11,234 INFO L93 Difference]: Finished difference Result 29939 states and 49781 transitions. [2022-10-16 16:37:11,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:37:11,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:37:11,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:11,323 INFO L225 Difference]: With dead ends: 29939 [2022-10-16 16:37:11,323 INFO L226 Difference]: Without dead ends: 29936 [2022-10-16 16:37:11,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:37:11,335 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1015 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:11,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 837 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29936 states. [2022-10-16 16:37:12,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29936 to 23897. [2022-10-16 16:37:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23897 states, 23861 states have (on average 1.6598214659905284) internal successors, (39605), 23896 states have internal predecessors, (39605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23897 states to 23897 states and 39605 transitions. [2022-10-16 16:37:13,067 INFO L78 Accepts]: Start accepts. Automaton has 23897 states and 39605 transitions. Word has length 92 [2022-10-16 16:37:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:13,068 INFO L495 AbstractCegarLoop]: Abstraction has 23897 states and 39605 transitions. [2022-10-16 16:37:13,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 23897 states and 39605 transitions. [2022-10-16 16:37:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:37:13,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:13,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:13,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:37:13,074 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:37:13,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:13,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1148643629, now seen corresponding path program 1 times [2022-10-16 16:37:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:13,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573161422] [2022-10-16 16:37:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:13,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:13,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573161422] [2022-10-16 16:37:13,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573161422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:13,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:13,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:13,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222601118] [2022-10-16 16:37:13,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:13,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:13,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:13,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:13,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:13,291 INFO L87 Difference]: Start difference. First operand 23897 states and 39605 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:15,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:15,920 INFO L93 Difference]: Finished difference Result 29909 states and 49589 transitions. [2022-10-16 16:37:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:15,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 16:37:15,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:15,984 INFO L225 Difference]: With dead ends: 29909 [2022-10-16 16:37:15,984 INFO L226 Difference]: Without dead ends: 29906 [2022-10-16 16:37:15,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:37:15,997 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1045 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:15,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 512 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:16,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29906 states. [2022-10-16 16:37:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29906 to 29849. [2022-10-16 16:37:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29849 states, 29813 states have (on average 1.644014356153356) internal successors, (49013), 29848 states have internal predecessors, (49013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29849 states to 29849 states and 49013 transitions. [2022-10-16 16:37:18,107 INFO L78 Accepts]: Start accepts. Automaton has 29849 states and 49013 transitions. Word has length 93 [2022-10-16 16:37:18,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:18,108 INFO L495 AbstractCegarLoop]: Abstraction has 29849 states and 49013 transitions. [2022-10-16 16:37:18,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 29849 states and 49013 transitions. [2022-10-16 16:37:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:37:18,111 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:18,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:18,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:37:18,111 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:37:18,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:18,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1210943090, now seen corresponding path program 1 times [2022-10-16 16:37:18,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:18,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359686279] [2022-10-16 16:37:18,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:18,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:18,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:18,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359686279] [2022-10-16 16:37:18,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359686279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:18,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:18,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:37:18,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55602614] [2022-10-16 16:37:18,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:18,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:37:18,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:18,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:37:18,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:18,237 INFO L87 Difference]: Start difference. First operand 29849 states and 49013 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:21,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:21,662 INFO L93 Difference]: Finished difference Result 85921 states and 141493 transitions. [2022-10-16 16:37:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:37:21,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:37:21,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:21,796 INFO L225 Difference]: With dead ends: 85921 [2022-10-16 16:37:21,796 INFO L226 Difference]: Without dead ends: 56125 [2022-10-16 16:37:21,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:37:21,846 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 187 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:21,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 627 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:37:21,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56125 states. [2022-10-16 16:37:25,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56125 to 56089. [2022-10-16 16:37:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56089 states, 56053 states have (on average 1.6451037411021712) internal successors, (92213), 56088 states have internal predecessors, (92213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56089 states to 56089 states and 92213 transitions. [2022-10-16 16:37:25,780 INFO L78 Accepts]: Start accepts. Automaton has 56089 states and 92213 transitions. Word has length 94 [2022-10-16 16:37:25,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:25,781 INFO L495 AbstractCegarLoop]: Abstraction has 56089 states and 92213 transitions. [2022-10-16 16:37:25,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 56089 states and 92213 transitions. [2022-10-16 16:37:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:37:25,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:25,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:25,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:37:25,783 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)] === [2022-10-16 16:37:25,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:25,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1248213835, now seen corresponding path program 1 times [2022-10-16 16:37:25,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:25,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251736782] [2022-10-16 16:37:25,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:25,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:25,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:25,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:25,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251736782] [2022-10-16 16:37:25,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251736782] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:25,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:25,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:25,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672181897] [2022-10-16 16:37:25,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:25,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:25,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:25,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:25,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:25,956 INFO L87 Difference]: Start difference. First operand 56089 states and 92213 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:31,282 INFO L93 Difference]: Finished difference Result 89794 states and 147125 transitions. [2022-10-16 16:37:31,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:37:31,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:37:31,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:31,467 INFO L225 Difference]: With dead ends: 89794 [2022-10-16 16:37:31,468 INFO L226 Difference]: Without dead ends: 89791 [2022-10-16 16:37:31,495 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 [2022-10-16 16:37:31,496 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1404 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:31,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1404 Valid, 1072 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:37:31,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89791 states. [2022-10-16 16:37:36,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89791 to 67289. [2022-10-16 16:37:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67289 states, 67253 states have (on average 1.6280760709559425) internal successors, (109493), 67288 states have internal predecessors, (109493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67289 states to 67289 states and 109493 transitions. [2022-10-16 16:37:36,245 INFO L78 Accepts]: Start accepts. Automaton has 67289 states and 109493 transitions. Word has length 94 [2022-10-16 16:37:36,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:36,245 INFO L495 AbstractCegarLoop]: Abstraction has 67289 states and 109493 transitions. [2022-10-16 16:37:36,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:36,246 INFO L276 IsEmpty]: Start isEmpty. Operand 67289 states and 109493 transitions. [2022-10-16 16:37:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:37:36,246 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:36,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:36,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:37:36,247 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)] === [2022-10-16 16:37:36,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:36,248 INFO L85 PathProgramCache]: Analyzing trace with hash -39922923, now seen corresponding path program 1 times [2022-10-16 16:37:36,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:36,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473502362] [2022-10-16 16:37:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:36,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:36,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473502362] [2022-10-16 16:37:36,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473502362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:36,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:36,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:36,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119603172] [2022-10-16 16:37:36,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:36,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:36,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:36,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:36,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:36,454 INFO L87 Difference]: Start difference. First operand 67289 states and 109493 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:42,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:42,062 INFO L93 Difference]: Finished difference Result 89773 states and 145973 transitions. [2022-10-16 16:37:42,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:37:42,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 16:37:42,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:42,197 INFO L225 Difference]: With dead ends: 89773 [2022-10-16 16:37:42,198 INFO L226 Difference]: Without dead ends: 89770 [2022-10-16 16:37:42,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:37:42,217 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1582 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:42,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 705 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:42,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89770 states. [2022-10-16 16:37:47,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89770 to 89689. [2022-10-16 16:37:48,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89689 states, 89653 states have (on average 1.6110671143185393) internal successors, (144437), 89688 states have internal predecessors, (144437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89689 states to 89689 states and 144437 transitions. [2022-10-16 16:37:48,558 INFO L78 Accepts]: Start accepts. Automaton has 89689 states and 144437 transitions. Word has length 95 [2022-10-16 16:37:48,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:48,558 INFO L495 AbstractCegarLoop]: Abstraction has 89689 states and 144437 transitions. [2022-10-16 16:37:48,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 89689 states and 144437 transitions. [2022-10-16 16:37:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:37:48,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:48,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:37:48,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:37:48,562 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:37:48,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:48,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1237610313, now seen corresponding path program 1 times [2022-10-16 16:37:48,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:48,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372877575] [2022-10-16 16:37:48,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:48,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:48,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:37:48,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:48,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372877575] [2022-10-16 16:37:48,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372877575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:48,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:48,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:48,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517354416] [2022-10-16 16:37:48,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:48,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:48,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:48,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:48,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:48,775 INFO L87 Difference]: Start difference. First operand 89689 states and 144437 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:57,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:57,845 INFO L93 Difference]: Finished difference Result 134603 states and 216629 transitions. [2022-10-16 16:37:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:37:57,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 16:37:57,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:58,206 INFO L225 Difference]: With dead ends: 134603 [2022-10-16 16:37:58,206 INFO L226 Difference]: Without dead ends: 134600 [2022-10-16 16:37:58,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:37:58,239 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1769 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:58,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 1555 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:37:58,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134600 states. [2022-10-16 16:38:05,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134600 to 100889. [2022-10-16 16:38:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100889 states, 100853 states have (on average 1.5958771677590156) internal successors, (160949), 100888 states have internal predecessors, (160949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100889 states to 100889 states and 160949 transitions. [2022-10-16 16:38:05,467 INFO L78 Accepts]: Start accepts. Automaton has 100889 states and 160949 transitions. Word has length 96 [2022-10-16 16:38:05,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:05,468 INFO L495 AbstractCegarLoop]: Abstraction has 100889 states and 160949 transitions. [2022-10-16 16:38:05,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 100889 states and 160949 transitions. [2022-10-16 16:38:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:38:05,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:05,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:05,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:38:05,469 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:38:05,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:05,470 INFO L85 PathProgramCache]: Analyzing trace with hash 288786263, now seen corresponding path program 1 times [2022-10-16 16:38:05,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:05,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874727925] [2022-10-16 16:38:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:05,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:06,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:06,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874727925] [2022-10-16 16:38:06,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874727925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:06,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:06,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:06,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117520665] [2022-10-16 16:38:06,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:06,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:06,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:06,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:06,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:06,016 INFO L87 Difference]: Start difference. First operand 100889 states and 160949 transitions. Second operand has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:15,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:15,216 INFO L93 Difference]: Finished difference Result 134594 states and 213941 transitions. [2022-10-16 16:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:38:15,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 16:38:15,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:15,569 INFO L225 Difference]: With dead ends: 134594 [2022-10-16 16:38:15,569 INFO L226 Difference]: Without dead ends: 134591 [2022-10-16 16:38:15,597 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 [2022-10-16 16:38:15,600 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1955 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:15,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 1076 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:38:15,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134591 states. [2022-10-16 16:38:24,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134591 to 134489. [2022-10-16 16:38:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134489 states, 134453 states have (on average 1.5769153533204912) internal successors, (212021), 134488 states have internal predecessors, (212021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:25,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134489 states to 134489 states and 212021 transitions. [2022-10-16 16:38:25,489 INFO L78 Accepts]: Start accepts. Automaton has 134489 states and 212021 transitions. Word has length 97 [2022-10-16 16:38:25,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:25,490 INFO L495 AbstractCegarLoop]: Abstraction has 134489 states and 212021 transitions. [2022-10-16 16:38:25,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:25,490 INFO L276 IsEmpty]: Start isEmpty. Operand 134489 states and 212021 transitions. [2022-10-16 16:38:25,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:38:25,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:25,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:25,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:38:25,491 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:38:25,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:25,492 INFO L85 PathProgramCache]: Analyzing trace with hash 362439865, now seen corresponding path program 1 times [2022-10-16 16:38:25,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:25,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69780103] [2022-10-16 16:38:25,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:25,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:25,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:25,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69780103] [2022-10-16 16:38:25,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69780103] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:25,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:25,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:38:25,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141763442] [2022-10-16 16:38:25,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:25,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:38:25,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:25,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:38:25,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:38:25,700 INFO L87 Difference]: Start difference. First operand 134489 states and 212021 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:39,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:39,043 INFO L93 Difference]: Finished difference Result 190606 states and 301109 transitions. [2022-10-16 16:38:39,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:38:39,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-16 16:38:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:39,418 INFO L225 Difference]: With dead ends: 190606 [2022-10-16 16:38:39,419 INFO L226 Difference]: Without dead ends: 190603 [2022-10-16 16:38:39,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:38:39,475 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 2267 mSDsluCounter, 1873 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:39,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 2052 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:38:39,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190603 states. [2022-10-16 16:38:50,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190603 to 145689. [2022-10-16 16:38:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145689 states, 145653 states have (on average 1.5637508324579652) internal successors, (227765), 145688 states have internal predecessors, (227765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145689 states to 145689 states and 227765 transitions. [2022-10-16 16:38:50,906 INFO L78 Accepts]: Start accepts. Automaton has 145689 states and 227765 transitions. Word has length 98 [2022-10-16 16:38:50,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:50,907 INFO L495 AbstractCegarLoop]: Abstraction has 145689 states and 227765 transitions. [2022-10-16 16:38:50,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:38:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 145689 states and 227765 transitions. [2022-10-16 16:38:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:38:50,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:50,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:38:50,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:38:50,908 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:38:50,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:50,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1649265767, now seen corresponding path program 1 times [2022-10-16 16:38:50,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:50,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617780866] [2022-10-16 16:38:50,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:50,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:51,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:51,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617780866] [2022-10-16 16:38:51,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617780866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:51,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:51,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:38:51,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315252323] [2022-10-16 16:38:51,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:51,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:38:51,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:51,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:38:51,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:38:51,119 INFO L87 Difference]: Start difference. First operand 145689 states and 227765 transitions. Second operand has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)