/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_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:46:06,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:46:06,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:46:06,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:46:06,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:46:06,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:46:06,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:46:06,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:46:06,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:46:06,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:46:06,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:46:06,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:46:06,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:46:06,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:46:06,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:46:06,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:46:06,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:46:06,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:46:06,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:46:06,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:46:06,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:46:06,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:46:06,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:46:06,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:46:06,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:46:06,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:46:06,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:46:06,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:46:06,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:46:06,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:46:06,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:46:06,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:46:06,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:46:06,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:46:06,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:46:06,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:46:06,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:46:06,214 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:46:06,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:46:06,215 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:46:06,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:46:06,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:46:06,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:46:06,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:46:06,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:46:06,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:46:06,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:46:06,217 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:46:06,217 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:46:06,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:46:06,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:46:06,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:46:06,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:46:06,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:46:06,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:46:06,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:46:06,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:46:06,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:46:06,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:46:06,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:46:06,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:46:06,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:46:06,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:46:06,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:46:06,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:46:06,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:46:06,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:46:06,656 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:46:06,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:46:06,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26c494c5/1596083ff0e0450c9ec1dbbe7203a83a/FLAG559859dea [2022-10-16 15:46:07,513 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:46:07,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:46:07,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26c494c5/1596083ff0e0450c9ec1dbbe7203a83a/FLAG559859dea [2022-10-16 15:46:07,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26c494c5/1596083ff0e0450c9ec1dbbe7203a83a [2022-10-16 15:46:07,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:46:07,775 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:46:07,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:46:07,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:46:07,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:46:07,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:46:07" (1/1) ... [2022-10-16 15:46:07,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cad63ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:07, skipping insertion in model container [2022-10-16 15:46:07,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:46:07" (1/1) ... [2022-10-16 15:46:07,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:46:07,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:46:08,325 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_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[14043,14056] [2022-10-16 15:46:08,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:46:08,411 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:46:08,556 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_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[14043,14056] [2022-10-16 15:46:08,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:46:08,692 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:46:08,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08 WrapperNode [2022-10-16 15:46:08,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:46:08,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:46:08,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:46:08,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:46:08,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,798 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1275 [2022-10-16 15:46:08,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:46:08,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:46:08,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:46:08,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:46:08,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:46:08,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:46:08,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:46:08,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:46:08,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (1/1) ... [2022-10-16 15:46:08,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:46:08,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:46:08,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:46:08,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:46:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:46:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:46:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:46:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:46:09,169 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:46:09,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:46:10,610 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:46:10,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:46:10,623 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:46:10,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:46:10 BoogieIcfgContainer [2022-10-16 15:46:10,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:46:10,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:46:10,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:46:10,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:46:10,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:46:07" (1/3) ... [2022-10-16 15:46:10,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc0d238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:46:10, skipping insertion in model container [2022-10-16 15:46:10,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:08" (2/3) ... [2022-10-16 15:46:10,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc0d238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:46:10, skipping insertion in model container [2022-10-16 15:46:10,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:46:10" (3/3) ... [2022-10-16 15:46:10,636 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:46:10,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:46:10,657 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 120 error locations. [2022-10-16 15:46:10,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:46:10,739 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;@69ee21fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:46:10,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2022-10-16 15:46:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 536 states, 415 states have (on average 1.855421686746988) internal successors, (770), 535 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:46:10,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:10,759 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] [2022-10-16 15:46:10,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:10,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:10,766 INFO L85 PathProgramCache]: Analyzing trace with hash -822728938, now seen corresponding path program 1 times [2022-10-16 15:46:10,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:10,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310709958] [2022-10-16 15:46:10,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:10,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:11,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:11,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310709958] [2022-10-16 15:46:11,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310709958] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:11,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:11,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:11,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560087283] [2022-10-16 15:46:11,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:11,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:11,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:11,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:11,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:11,404 INFO L87 Difference]: Start difference. First operand has 536 states, 415 states have (on average 1.855421686746988) internal successors, (770), 535 states have internal predecessors, (770), 0 states have call successors, (0), 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 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:11,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:11,882 INFO L93 Difference]: Finished difference Result 753 states and 1085 transitions. [2022-10-16 15:46:11,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:11,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 15:46:11,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:11,905 INFO L225 Difference]: With dead ends: 753 [2022-10-16 15:46:11,905 INFO L226 Difference]: Without dead ends: 715 [2022-10-16 15:46:11,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:11,914 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 674 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:11,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 1102 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:11,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2022-10-16 15:46:12,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 677. [2022-10-16 15:46:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 581 states have (on average 1.6024096385542168) internal successors, (931), 676 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 931 transitions. [2022-10-16 15:46:12,028 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 931 transitions. Word has length 58 [2022-10-16 15:46:12,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:12,030 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 931 transitions. [2022-10-16 15:46:12,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 931 transitions. [2022-10-16 15:46:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:46:12,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:12,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:12,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:46:12,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:12,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:12,038 INFO L85 PathProgramCache]: Analyzing trace with hash 265206947, now seen corresponding path program 1 times [2022-10-16 15:46:12,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:12,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691261742] [2022-10-16 15:46:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:12,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:12,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:12,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691261742] [2022-10-16 15:46:12,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691261742] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:12,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:12,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:12,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234184238] [2022-10-16 15:46:12,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:12,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:12,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:12,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:12,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:12,277 INFO L87 Difference]: Start difference. First operand 677 states and 931 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:12,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:12,542 INFO L93 Difference]: Finished difference Result 720 states and 931 transitions. [2022-10-16 15:46:12,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:12,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:46:12,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:12,547 INFO L225 Difference]: With dead ends: 720 [2022-10-16 15:46:12,547 INFO L226 Difference]: Without dead ends: 709 [2022-10-16 15:46:12,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:12,555 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 569 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:12,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 998 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:12,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-10-16 15:46:12,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 671. [2022-10-16 15:46:12,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 581 states have (on average 1.5834767641996557) internal successors, (920), 670 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 920 transitions. [2022-10-16 15:46:12,602 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 920 transitions. Word has length 59 [2022-10-16 15:46:12,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:12,603 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 920 transitions. [2022-10-16 15:46:12,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:12,603 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 920 transitions. [2022-10-16 15:46:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:46:12,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:12,605 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] [2022-10-16 15:46:12,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:46:12,606 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:12,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:12,606 INFO L85 PathProgramCache]: Analyzing trace with hash -368518984, now seen corresponding path program 1 times [2022-10-16 15:46:12,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:12,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501601766] [2022-10-16 15:46:12,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:12,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:12,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:12,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:12,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501601766] [2022-10-16 15:46:12,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501601766] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:12,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:12,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:12,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519705825] [2022-10-16 15:46:12,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:12,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:12,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:12,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:12,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:12,781 INFO L87 Difference]: Start difference. First operand 671 states and 920 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:12,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:12,998 INFO L93 Difference]: Finished difference Result 839 states and 1185 transitions. [2022-10-16 15:46:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:12,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 15:46:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:13,006 INFO L225 Difference]: With dead ends: 839 [2022-10-16 15:46:13,006 INFO L226 Difference]: Without dead ends: 828 [2022-10-16 15:46:13,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:13,009 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 559 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:13,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 787 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2022-10-16 15:46:13,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 826. [2022-10-16 15:46:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 745 states have (on average 1.570469798657718) internal successors, (1170), 825 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1170 transitions. [2022-10-16 15:46:13,062 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1170 transitions. Word has length 60 [2022-10-16 15:46:13,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:13,062 INFO L495 AbstractCegarLoop]: Abstraction has 826 states and 1170 transitions. [2022-10-16 15:46:13,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1170 transitions. [2022-10-16 15:46:13,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:46:13,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:13,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:13,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:46:13,065 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:13,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:13,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1460813637, now seen corresponding path program 1 times [2022-10-16 15:46:13,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:13,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879383778] [2022-10-16 15:46:13,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:13,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:13,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:13,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:13,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879383778] [2022-10-16 15:46:13,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879383778] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:13,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:13,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:13,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308229945] [2022-10-16 15:46:13,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:13,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:13,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:13,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:13,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:13,214 INFO L87 Difference]: Start difference. First operand 826 states and 1170 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:13,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:13,491 INFO L93 Difference]: Finished difference Result 1157 states and 1670 transitions. [2022-10-16 15:46:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:13,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 15:46:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:13,499 INFO L225 Difference]: With dead ends: 1157 [2022-10-16 15:46:13,499 INFO L226 Difference]: Without dead ends: 1146 [2022-10-16 15:46:13,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:13,502 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 548 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:13,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 717 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:13,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2022-10-16 15:46:13,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1120. [2022-10-16 15:46:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1045 states have (on average 1.5827751196172248) internal successors, (1654), 1119 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:13,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1654 transitions. [2022-10-16 15:46:13,604 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1654 transitions. Word has length 61 [2022-10-16 15:46:13,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:13,604 INFO L495 AbstractCegarLoop]: Abstraction has 1120 states and 1654 transitions. [2022-10-16 15:46:13,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1654 transitions. [2022-10-16 15:46:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:46:13,606 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:13,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:13,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:46:13,607 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash -612392441, now seen corresponding path program 1 times [2022-10-16 15:46:13,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:13,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231891403] [2022-10-16 15:46:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:13,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:13,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:13,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231891403] [2022-10-16 15:46:13,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231891403] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:13,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:13,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:13,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235651492] [2022-10-16 15:46:13,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:13,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:13,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:13,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:13,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:13,720 INFO L87 Difference]: Start difference. First operand 1120 states and 1654 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:14,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:14,096 INFO L93 Difference]: Finished difference Result 1543 states and 2290 transitions. [2022-10-16 15:46:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:14,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:46:14,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:14,106 INFO L225 Difference]: With dead ends: 1543 [2022-10-16 15:46:14,106 INFO L226 Difference]: Without dead ends: 1540 [2022-10-16 15:46:14,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:14,109 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 799 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:14,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1503 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2022-10-16 15:46:14,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1117. [2022-10-16 15:46:14,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1045 states have (on average 1.5799043062200957) internal successors, (1651), 1116 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1651 transitions. [2022-10-16 15:46:14,226 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1651 transitions. Word has length 63 [2022-10-16 15:46:14,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:14,226 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1651 transitions. [2022-10-16 15:46:14,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:14,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1651 transitions. [2022-10-16 15:46:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:46:14,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:14,228 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] [2022-10-16 15:46:14,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:46:14,228 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:14,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:14,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1804296227, now seen corresponding path program 1 times [2022-10-16 15:46:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:14,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276849294] [2022-10-16 15:46:14,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:14,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:14,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:14,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276849294] [2022-10-16 15:46:14,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276849294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:14,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:14,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:14,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348055352] [2022-10-16 15:46:14,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:14,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:14,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:14,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:14,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:14,343 INFO L87 Difference]: Start difference. First operand 1117 states and 1651 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:14,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:14,759 INFO L93 Difference]: Finished difference Result 1538 states and 2287 transitions. [2022-10-16 15:46:14,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:14,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 15:46:14,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:14,768 INFO L225 Difference]: With dead ends: 1538 [2022-10-16 15:46:14,768 INFO L226 Difference]: Without dead ends: 1533 [2022-10-16 15:46:14,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:14,771 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 1071 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:14,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 992 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:14,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2022-10-16 15:46:14,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1489. [2022-10-16 15:46:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1420 states have (on average 1.5992957746478873) internal successors, (2271), 1488 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2271 transitions. [2022-10-16 15:46:14,933 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2271 transitions. Word has length 64 [2022-10-16 15:46:14,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:14,934 INFO L495 AbstractCegarLoop]: Abstraction has 1489 states and 2271 transitions. [2022-10-16 15:46:14,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2271 transitions. [2022-10-16 15:46:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 15:46:14,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:14,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:14,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:46:14,936 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:14,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:14,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1238121855, now seen corresponding path program 1 times [2022-10-16 15:46:14,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:14,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271269708] [2022-10-16 15:46:14,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:14,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:15,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:15,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271269708] [2022-10-16 15:46:15,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271269708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:15,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:15,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:15,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939268154] [2022-10-16 15:46:15,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:15,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:15,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:15,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:15,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:15,053 INFO L87 Difference]: Start difference. First operand 1489 states and 2271 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:15,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:15,521 INFO L93 Difference]: Finished difference Result 2239 states and 3455 transitions. [2022-10-16 15:46:15,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:15,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 15:46:15,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:15,534 INFO L225 Difference]: With dead ends: 2239 [2022-10-16 15:46:15,534 INFO L226 Difference]: Without dead ends: 2236 [2022-10-16 15:46:15,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:15,537 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 799 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:15,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1435 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:15,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2022-10-16 15:46:15,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 1486. [2022-10-16 15:46:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1420 states have (on average 1.5971830985915494) internal successors, (2268), 1485 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2268 transitions. [2022-10-16 15:46:15,703 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2268 transitions. Word has length 66 [2022-10-16 15:46:15,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:15,703 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 2268 transitions. [2022-10-16 15:46:15,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2268 transitions. [2022-10-16 15:46:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:46:15,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:15,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:15,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:46:15,705 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:15,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash -272927892, now seen corresponding path program 1 times [2022-10-16 15:46:15,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:15,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642094869] [2022-10-16 15:46:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:15,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:15,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642094869] [2022-10-16 15:46:15,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642094869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:15,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:15,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:15,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546486668] [2022-10-16 15:46:15,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:15,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:15,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:15,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:15,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:15,802 INFO L87 Difference]: Start difference. First operand 1486 states and 2268 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:16,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:16,273 INFO L93 Difference]: Finished difference Result 2234 states and 3452 transitions. [2022-10-16 15:46:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:16,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 15:46:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:16,286 INFO L225 Difference]: With dead ends: 2234 [2022-10-16 15:46:16,287 INFO L226 Difference]: Without dead ends: 2229 [2022-10-16 15:46:16,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:16,290 INFO L413 NwaCegarLoop]: 662 mSDtfsCounter, 1055 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:16,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 956 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:16,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2229 states. [2022-10-16 15:46:16,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2229 to 2181. [2022-10-16 15:46:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 2118 states have (on average 1.6175637393767706) internal successors, (3426), 2180 states have internal predecessors, (3426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:16,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 3426 transitions. [2022-10-16 15:46:16,520 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 3426 transitions. Word has length 67 [2022-10-16 15:46:16,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:16,521 INFO L495 AbstractCegarLoop]: Abstraction has 2181 states and 3426 transitions. [2022-10-16 15:46:16,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 3426 transitions. [2022-10-16 15:46:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:46:16,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:16,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:16,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:46:16,523 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:16,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:16,523 INFO L85 PathProgramCache]: Analyzing trace with hash -290690514, now seen corresponding path program 1 times [2022-10-16 15:46:16,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:16,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137274362] [2022-10-16 15:46:16,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:16,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:16,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:16,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137274362] [2022-10-16 15:46:16,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137274362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:16,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:16,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:16,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173996000] [2022-10-16 15:46:16,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:16,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:16,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:16,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:16,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:16,621 INFO L87 Difference]: Start difference. First operand 2181 states and 3426 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:17,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:17,135 INFO L93 Difference]: Finished difference Result 3784 states and 6037 transitions. [2022-10-16 15:46:17,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:17,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 15:46:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:17,158 INFO L225 Difference]: With dead ends: 3784 [2022-10-16 15:46:17,159 INFO L226 Difference]: Without dead ends: 3781 [2022-10-16 15:46:17,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:17,164 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 799 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:17,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1503 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3781 states. [2022-10-16 15:46:17,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3781 to 2178. [2022-10-16 15:46:17,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2118 states have (on average 1.6161473087818696) internal successors, (3423), 2177 states have internal predecessors, (3423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 3423 transitions. [2022-10-16 15:46:17,421 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 3423 transitions. Word has length 69 [2022-10-16 15:46:17,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:17,422 INFO L495 AbstractCegarLoop]: Abstraction has 2178 states and 3423 transitions. [2022-10-16 15:46:17,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 3423 transitions. [2022-10-16 15:46:17,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:46:17,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:17,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:17,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:46:17,424 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:17,424 INFO L85 PathProgramCache]: Analyzing trace with hash -421471068, now seen corresponding path program 1 times [2022-10-16 15:46:17,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:17,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000380521] [2022-10-16 15:46:17,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:17,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:17,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:17,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000380521] [2022-10-16 15:46:17,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000380521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:17,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:17,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:17,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169360182] [2022-10-16 15:46:17,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:17,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:17,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:17,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:17,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:17,518 INFO L87 Difference]: Start difference. First operand 2178 states and 3423 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:18,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:18,052 INFO L93 Difference]: Finished difference Result 3968 states and 6342 transitions. [2022-10-16 15:46:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:18,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:46:18,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:18,076 INFO L225 Difference]: With dead ends: 3968 [2022-10-16 15:46:18,077 INFO L226 Difference]: Without dead ends: 3963 [2022-10-16 15:46:18,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:18,082 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 1039 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:18,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 1036 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:18,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3963 states. [2022-10-16 15:46:18,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3963 to 3904. [2022-10-16 15:46:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3904 states, 3847 states have (on average 1.634780348323369) internal successors, (6289), 3903 states have internal predecessors, (6289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3904 states and 6289 transitions. [2022-10-16 15:46:18,500 INFO L78 Accepts]: Start accepts. Automaton has 3904 states and 6289 transitions. Word has length 70 [2022-10-16 15:46:18,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:18,500 INFO L495 AbstractCegarLoop]: Abstraction has 3904 states and 6289 transitions. [2022-10-16 15:46:18,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3904 states and 6289 transitions. [2022-10-16 15:46:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 15:46:18,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:18,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:18,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:46:18,502 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:18,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:18,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1261303854, now seen corresponding path program 1 times [2022-10-16 15:46:18,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:18,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815083826] [2022-10-16 15:46:18,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:18,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:18,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:18,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815083826] [2022-10-16 15:46:18,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815083826] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:18,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:18,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:18,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48863701] [2022-10-16 15:46:18,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:18,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:18,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:18,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:18,619 INFO L87 Difference]: Start difference. First operand 3904 states and 6289 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:19,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:19,739 INFO L93 Difference]: Finished difference Result 9264 states and 15101 transitions. [2022-10-16 15:46:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:19,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 15:46:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:19,792 INFO L225 Difference]: With dead ends: 9264 [2022-10-16 15:46:19,792 INFO L226 Difference]: Without dead ends: 9257 [2022-10-16 15:46:19,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:19,797 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 1289 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:19,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 1082 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:19,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9257 states. [2022-10-16 15:46:20,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9257 to 6539. [2022-10-16 15:46:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6539 states, 6485 states have (on average 1.6431765612952969) internal successors, (10656), 6538 states have internal predecessors, (10656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6539 states to 6539 states and 10656 transitions. [2022-10-16 15:46:20,606 INFO L78 Accepts]: Start accepts. Automaton has 6539 states and 10656 transitions. Word has length 80 [2022-10-16 15:46:20,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:20,607 INFO L495 AbstractCegarLoop]: Abstraction has 6539 states and 10656 transitions. [2022-10-16 15:46:20,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 6539 states and 10656 transitions. [2022-10-16 15:46:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 15:46:20,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:20,609 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] [2022-10-16 15:46:20,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:46:20,609 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:20,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:20,610 INFO L85 PathProgramCache]: Analyzing trace with hash -445713505, now seen corresponding path program 1 times [2022-10-16 15:46:20,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:20,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428527386] [2022-10-16 15:46:20,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:20,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:20,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:20,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428527386] [2022-10-16 15:46:20,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428527386] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:20,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:20,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:20,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892437351] [2022-10-16 15:46:20,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:20,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:20,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:20,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:20,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:20,714 INFO L87 Difference]: Start difference. First operand 6539 states and 10656 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:21,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:21,957 INFO L93 Difference]: Finished difference Result 9821 states and 16040 transitions. [2022-10-16 15:46:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:21,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 15:46:21,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:21,983 INFO L225 Difference]: With dead ends: 9821 [2022-10-16 15:46:21,983 INFO L226 Difference]: Without dead ends: 9814 [2022-10-16 15:46:21,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:21,988 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 1298 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:21,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 848 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:22,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9814 states. [2022-10-16 15:46:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9814 to 9778. [2022-10-16 15:46:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9778 states, 9727 states have (on average 1.6400740207669373) internal successors, (15953), 9777 states have internal predecessors, (15953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9778 states to 9778 states and 15953 transitions. [2022-10-16 15:46:22,959 INFO L78 Accepts]: Start accepts. Automaton has 9778 states and 15953 transitions. Word has length 81 [2022-10-16 15:46:22,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:22,959 INFO L495 AbstractCegarLoop]: Abstraction has 9778 states and 15953 transitions. [2022-10-16 15:46:22,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand 9778 states and 15953 transitions. [2022-10-16 15:46:22,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:46:22,961 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:22,961 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] [2022-10-16 15:46:22,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:46:22,962 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:22,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:22,962 INFO L85 PathProgramCache]: Analyzing trace with hash -932216460, now seen corresponding path program 1 times [2022-10-16 15:46:22,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:22,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11982316] [2022-10-16 15:46:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:22,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:23,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:23,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11982316] [2022-10-16 15:46:23,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11982316] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:23,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:23,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:46:23,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669250799] [2022-10-16 15:46:23,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:23,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:46:23,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:23,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:46:23,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:23,093 INFO L87 Difference]: Start difference. First operand 9778 states and 15953 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:25,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:25,707 INFO L93 Difference]: Finished difference Result 33072 states and 54204 transitions. [2022-10-16 15:46:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:46:25,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 15:46:25,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:25,787 INFO L225 Difference]: With dead ends: 33072 [2022-10-16 15:46:25,788 INFO L226 Difference]: Without dead ends: 23913 [2022-10-16 15:46:25,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:46:25,815 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 2631 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:25,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 1648 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:46:25,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23913 states. [2022-10-16 15:46:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23913 to 18567. [2022-10-16 15:46:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18567 states, 18519 states have (on average 1.636751444462444) internal successors, (30311), 18566 states have internal predecessors, (30311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:27,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18567 states to 18567 states and 30311 transitions. [2022-10-16 15:46:27,764 INFO L78 Accepts]: Start accepts. Automaton has 18567 states and 30311 transitions. Word has length 82 [2022-10-16 15:46:27,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:27,765 INFO L495 AbstractCegarLoop]: Abstraction has 18567 states and 30311 transitions. [2022-10-16 15:46:27,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 18567 states and 30311 transitions. [2022-10-16 15:46:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:46:27,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:27,767 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] [2022-10-16 15:46:27,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:46:27,767 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:27,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:27,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1166061121, now seen corresponding path program 1 times [2022-10-16 15:46:27,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:27,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356159821] [2022-10-16 15:46:27,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:27,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:27,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:27,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356159821] [2022-10-16 15:46:27,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356159821] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:27,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:27,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:46:27,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393325750] [2022-10-16 15:46:27,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:27,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:46:27,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:27,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:46:27,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:27,934 INFO L87 Difference]: Start difference. First operand 18567 states and 30311 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:30,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:30,574 INFO L93 Difference]: Finished difference Result 24994 states and 40799 transitions. [2022-10-16 15:46:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:46:30,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 15:46:30,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:30,654 INFO L225 Difference]: With dead ends: 24994 [2022-10-16 15:46:30,654 INFO L226 Difference]: Without dead ends: 24987 [2022-10-16 15:46:30,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:46:30,665 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 2502 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:30,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 1254 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:30,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24987 states. [2022-10-16 15:46:32,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24987 to 24900. [2022-10-16 15:46:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24900 states, 24855 states have (on average 1.631744115872058) internal successors, (40557), 24899 states have internal predecessors, (40557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24900 states to 24900 states and 40557 transitions. [2022-10-16 15:46:32,982 INFO L78 Accepts]: Start accepts. Automaton has 24900 states and 40557 transitions. Word has length 83 [2022-10-16 15:46:32,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:32,982 INFO L495 AbstractCegarLoop]: Abstraction has 24900 states and 40557 transitions. [2022-10-16 15:46:32,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 24900 states and 40557 transitions. [2022-10-16 15:46:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 15:46:32,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:32,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:32,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:46:32,986 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:32,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:32,987 INFO L85 PathProgramCache]: Analyzing trace with hash 977946362, now seen corresponding path program 1 times [2022-10-16 15:46:32,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:32,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478933925] [2022-10-16 15:46:32,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:33,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:33,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478933925] [2022-10-16 15:46:33,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478933925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:33,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:33,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:33,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442443112] [2022-10-16 15:46:33,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:33,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:33,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:33,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:33,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:33,247 INFO L87 Difference]: Start difference. First operand 24900 states and 40557 transitions. Second operand has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:38,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:38,201 INFO L93 Difference]: Finished difference Result 47263 states and 77339 transitions. [2022-10-16 15:46:38,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:38,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-10-16 15:46:38,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:38,300 INFO L225 Difference]: With dead ends: 47263 [2022-10-16 15:46:38,300 INFO L226 Difference]: Without dead ends: 47253 [2022-10-16 15:46:38,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:38,316 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 525 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:38,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1500 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47253 states. [2022-10-16 15:46:43,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47253 to 47184. [2022-10-16 15:46:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47184 states, 47139 states have (on average 1.6192749103714545) internal successors, (76331), 47183 states have internal predecessors, (76331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47184 states to 47184 states and 76331 transitions. [2022-10-16 15:46:43,340 INFO L78 Accepts]: Start accepts. Automaton has 47184 states and 76331 transitions. Word has length 205 [2022-10-16 15:46:43,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:43,341 INFO L495 AbstractCegarLoop]: Abstraction has 47184 states and 76331 transitions. [2022-10-16 15:46:43,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:43,342 INFO L276 IsEmpty]: Start isEmpty. Operand 47184 states and 76331 transitions. [2022-10-16 15:46:43,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 15:46:43,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:43,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:43,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:46:43,345 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:46:43,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:43,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1153404003, now seen corresponding path program 1 times [2022-10-16 15:46:43,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:43,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662316311] [2022-10-16 15:46:43,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:43,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:43,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:43,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662316311] [2022-10-16 15:46:43,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662316311] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:43,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:43,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:43,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486941361] [2022-10-16 15:46:43,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:43,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:43,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:43,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:43,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:43,526 INFO L87 Difference]: Start difference. First operand 47184 states and 76331 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:52,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:52,804 INFO L93 Difference]: Finished difference Result 131009 states and 212424 transitions. [2022-10-16 15:46:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:52,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-10-16 15:46:52,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:52,972 INFO L225 Difference]: With dead ends: 131009 [2022-10-16 15:46:52,972 INFO L226 Difference]: Without dead ends: 89489 [2022-10-16 15:46:53,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:53,034 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 365 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:53,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1007 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:46:53,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89489 states. [2022-10-16 15:47:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89489 to 89263. [2022-10-16 15:47:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89263 states, 89218 states have (on average 1.6197740366293798) internal successors, (144513), 89262 states have internal predecessors, (144513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89263 states to 89263 states and 144513 transitions. [2022-10-16 15:47:02,464 INFO L78 Accepts]: Start accepts. Automaton has 89263 states and 144513 transitions. Word has length 205 [2022-10-16 15:47:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:02,465 INFO L495 AbstractCegarLoop]: Abstraction has 89263 states and 144513 transitions. [2022-10-16 15:47:02,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 89263 states and 144513 transitions. [2022-10-16 15:47:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 15:47:02,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:02,469 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:02,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:47:02,470 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:47:02,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:02,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2109738977, now seen corresponding path program 1 times [2022-10-16 15:47:02,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:02,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456029793] [2022-10-16 15:47:02,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:02,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:02,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:02,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456029793] [2022-10-16 15:47:02,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456029793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:02,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:02,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:02,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029525332] [2022-10-16 15:47:02,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:02,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:02,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:02,660 INFO L87 Difference]: Start difference. First operand 89263 states and 144513 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:18,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:18,683 INFO L93 Difference]: Finished difference Result 233816 states and 378829 transitions. [2022-10-16 15:47:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:18,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-10-16 15:47:18,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:19,216 INFO L225 Difference]: With dead ends: 233816 [2022-10-16 15:47:19,217 INFO L226 Difference]: Without dead ends: 155399 [2022-10-16 15:47:19,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:19,339 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 372 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:19,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1053 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:19,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155399 states. [2022-10-16 15:47:34,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155399 to 155133. [2022-10-16 15:47:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155133 states, 155088 states have (on average 1.6164629113793458) internal successors, (250694), 155132 states have internal predecessors, (250694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155133 states to 155133 states and 250694 transitions. [2022-10-16 15:47:35,975 INFO L78 Accepts]: Start accepts. Automaton has 155133 states and 250694 transitions. Word has length 205 [2022-10-16 15:47:35,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:35,976 INFO L495 AbstractCegarLoop]: Abstraction has 155133 states and 250694 transitions. [2022-10-16 15:47:35,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 155133 states and 250694 transitions. [2022-10-16 15:47:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-10-16 15:47:35,997 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:36,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:36,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:47:36,000 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-16 15:47:36,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:36,001 INFO L85 PathProgramCache]: Analyzing trace with hash -2015103560, now seen corresponding path program 1 times [2022-10-16 15:47:36,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:36,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299950960] [2022-10-16 15:47:36,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:36,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:36,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299950960] [2022-10-16 15:47:36,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299950960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:36,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:36,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:36,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792634541] [2022-10-16 15:47:36,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:36,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:36,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:36,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:36,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:36,165 INFO L87 Difference]: Start difference. First operand 155133 states and 250694 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)