/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.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:52:10,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:52:10,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:52:10,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:52:10,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:52:10,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:52:10,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:52:10,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:52:10,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:52:10,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:52:10,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:52:10,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:52:10,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:52:10,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:52:10,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:52:10,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:52:10,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:52:10,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:52:10,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:52:10,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:52:10,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:52:10,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:52:10,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:52:10,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:52:10,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:52:10,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 15:52:10,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 15:52:10,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 15:52:10,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 15:52:10,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 15:52:10,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 15:52:10,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 15:52:10,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 15:52:10,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:52:10,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:52:10,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:52:10,435 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 15:52:10,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:52:10,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:52:10,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:52:10,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:52:10,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:52:10,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:52:10,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:52:10,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:52:10,475 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:52:10,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:52:10,475 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:52:10,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:52:10,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:52:10,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:52:10,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:52:10,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:52:10,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:52:10,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:52:10,477 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:52:10,477 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:52:10,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:52:10,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:52:10,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:52:10,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:52:10,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:52:10,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:52:10,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:52:10,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:52:10,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:52:10,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:52:10,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:52:10,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:52:10,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:52:10,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:52:10,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:52:10,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:52:10,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:52:10,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:52:10,888 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:52:10,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:52:10,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec9b4d80/f2e209cbb4cb45219315d1fd965492b1/FLAGeb20c0739 [2022-10-16 15:52:11,798 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:52:11,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:52:11,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec9b4d80/f2e209cbb4cb45219315d1fd965492b1/FLAGeb20c0739 [2022-10-16 15:52:11,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec9b4d80/f2e209cbb4cb45219315d1fd965492b1 [2022-10-16 15:52:11,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:52:11,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:52:11,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:52:11,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:52:11,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:52:11,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:52:11" (1/1) ... [2022-10-16 15:52:11,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6732b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:11, skipping insertion in model container [2022-10-16 15:52:11,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:52:11" (1/1) ... [2022-10-16 15:52:11,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:52:12,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:52:13,165 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.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[31343,31356] [2022-10-16 15:52:13,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:52:13,339 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:52:13,604 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.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[31343,31356] [2022-10-16 15:52:13,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:52:13,769 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:52:13,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13 WrapperNode [2022-10-16 15:52:13,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:52:13,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:52:13,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:52:13,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:52:13,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:13,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:13,927 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2896 [2022-10-16 15:52:13,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:52:13,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:52:13,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:52:13,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:52:13,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:13,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:13,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:13,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:13,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:14,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:14,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:14,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:14,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:52:14,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:52:14,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:52:14,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:52:14,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (1/1) ... [2022-10-16 15:52:14,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:52:14,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:52:14,091 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 15:52:14,118 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 15:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:52:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:52:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:52:14,407 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:52:14,413 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:52:16,762 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:52:16,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:52:16,840 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:52:16,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:52:16 BoogieIcfgContainer [2022-10-16 15:52:16,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:52:16,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:52:16,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:52:16,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:52:16,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:52:11" (1/3) ... [2022-10-16 15:52:16,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58597354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:52:16, skipping insertion in model container [2022-10-16 15:52:16,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:52:13" (2/3) ... [2022-10-16 15:52:16,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58597354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:52:16, skipping insertion in model container [2022-10-16 15:52:16,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:52:16" (3/3) ... [2022-10-16 15:52:16,857 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 15:52:16,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:52:16,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 232 error locations. [2022-10-16 15:52:17,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:52:17,055 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;@543dce55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:52:17,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 232 error locations. [2022-10-16 15:52:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 1174 states, 941 states have (on average 1.8459086078639746) internal successors, (1737), 1173 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states 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 15:52:17,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:52:17,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:17,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:17,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:17,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:17,096 INFO L85 PathProgramCache]: Analyzing trace with hash -127753675, now seen corresponding path program 1 times [2022-10-16 15:52:17,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:17,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417723588] [2022-10-16 15:52:17,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:17,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:17,974 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 15:52:17,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:17,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417723588] [2022-10-16 15:52:17,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417723588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:17,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:17,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:17,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349696378] [2022-10-16 15:52:17,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:17,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:17,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:18,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:18,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:18,023 INFO L87 Difference]: Start difference. First operand has 1174 states, 941 states have (on average 1.8459086078639746) internal successors, (1737), 1173 states have internal predecessors, (1737), 0 states have call successors, (0), 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 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:18,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:18,621 INFO L93 Difference]: Finished difference Result 1505 states and 2221 transitions. [2022-10-16 15:52:18,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:18,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 15:52:18,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:18,652 INFO L225 Difference]: With dead ends: 1505 [2022-10-16 15:52:18,652 INFO L226 Difference]: Without dead ends: 1449 [2022-10-16 15:52:18,657 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 15:52:18,662 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 1563 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:18,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 2241 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:52:18,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2022-10-16 15:52:18,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1389. [2022-10-16 15:52:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1199 states have (on average 1.6413678065054211) internal successors, (1968), 1388 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states 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 15:52:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1968 transitions. [2022-10-16 15:52:18,849 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1968 transitions. Word has length 118 [2022-10-16 15:52:18,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:18,850 INFO L495 AbstractCegarLoop]: Abstraction has 1389 states and 1968 transitions. [2022-10-16 15:52:18,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:18,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1968 transitions. [2022-10-16 15:52:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:52:18,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:18,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:18,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:52:18,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:18,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:18,865 INFO L85 PathProgramCache]: Analyzing trace with hash 334603836, now seen corresponding path program 1 times [2022-10-16 15:52:18,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:18,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082044780] [2022-10-16 15:52:18,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:18,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:19,242 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 15:52:19,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:19,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082044780] [2022-10-16 15:52:19,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082044780] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:19,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:19,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:19,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069239594] [2022-10-16 15:52:19,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:19,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:19,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:19,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:19,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:19,248 INFO L87 Difference]: Start difference. First operand 1389 states and 1968 transitions. Second operand has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:19,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:19,652 INFO L93 Difference]: Finished difference Result 1454 states and 1968 transitions. [2022-10-16 15:52:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:19,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 15:52:19,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:19,661 INFO L225 Difference]: With dead ends: 1454 [2022-10-16 15:52:19,662 INFO L226 Difference]: Without dead ends: 1439 [2022-10-16 15:52:19,663 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 15:52:19,665 INFO L413 NwaCegarLoop]: 1709 mSDtfsCounter, 1381 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:19,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 2064 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:19,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2022-10-16 15:52:19,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1379. [2022-10-16 15:52:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 1199 states have (on average 1.6288573811509592) internal successors, (1953), 1378 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states 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 15:52:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1953 transitions. [2022-10-16 15:52:19,736 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1953 transitions. Word has length 119 [2022-10-16 15:52:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:19,737 INFO L495 AbstractCegarLoop]: Abstraction has 1379 states and 1953 transitions. [2022-10-16 15:52:19,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1953 transitions. [2022-10-16 15:52:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:52:19,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:19,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:19,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:52:19,740 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:19,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:19,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1782784791, now seen corresponding path program 1 times [2022-10-16 15:52:19,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:19,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152267587] [2022-10-16 15:52:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:19,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:20,023 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 15:52:20,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:20,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152267587] [2022-10-16 15:52:20,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152267587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:20,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:20,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:20,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373309989] [2022-10-16 15:52:20,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:20,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:20,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:20,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:20,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:20,028 INFO L87 Difference]: Start difference. First operand 1379 states and 1953 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:20,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:20,498 INFO L93 Difference]: Finished difference Result 1668 states and 2353 transitions. [2022-10-16 15:52:20,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:20,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 15:52:20,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:20,508 INFO L225 Difference]: With dead ends: 1668 [2022-10-16 15:52:20,508 INFO L226 Difference]: Without dead ends: 1653 [2022-10-16 15:52:20,510 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 15:52:20,512 INFO L413 NwaCegarLoop]: 1672 mSDtfsCounter, 1358 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 2014 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:20,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 2014 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:52:20,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2022-10-16 15:52:20,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1603. [2022-10-16 15:52:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 1433 states have (on average 1.6315422191207258) internal successors, (2338), 1602 states have internal predecessors, (2338), 0 states have call successors, (0), 0 states 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 15:52:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2338 transitions. [2022-10-16 15:52:20,603 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2338 transitions. Word has length 120 [2022-10-16 15:52:20,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:20,603 INFO L495 AbstractCegarLoop]: Abstraction has 1603 states and 2338 transitions. [2022-10-16 15:52:20,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2338 transitions. [2022-10-16 15:52:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:52:20,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:20,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:52:20,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:52:20,606 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:20,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:20,607 INFO L85 PathProgramCache]: Analyzing trace with hash -568245858, now seen corresponding path program 1 times [2022-10-16 15:52:20,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:20,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273895457] [2022-10-16 15:52:20,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:20,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:20,840 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 15:52:20,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:20,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273895457] [2022-10-16 15:52:20,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273895457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:20,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:20,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:20,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289285937] [2022-10-16 15:52:20,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:20,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:20,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:20,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:20,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:20,844 INFO L87 Difference]: Start difference. First operand 1603 states and 2338 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:21,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:21,288 INFO L93 Difference]: Finished difference Result 1658 states and 2338 transitions. [2022-10-16 15:52:21,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:21,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 15:52:21,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:21,298 INFO L225 Difference]: With dead ends: 1658 [2022-10-16 15:52:21,299 INFO L226 Difference]: Without dead ends: 1643 [2022-10-16 15:52:21,301 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 15:52:21,302 INFO L413 NwaCegarLoop]: 1672 mSDtfsCounter, 1347 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 2014 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:21,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 2014 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:21,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2022-10-16 15:52:21,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1593. [2022-10-16 15:52:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1433 states have (on average 1.6210746685275645) internal successors, (2323), 1592 states have internal predecessors, (2323), 0 states have call successors, (0), 0 states 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 15:52:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2323 transitions. [2022-10-16 15:52:21,405 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2323 transitions. Word has length 121 [2022-10-16 15:52:21,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:21,405 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2323 transitions. [2022-10-16 15:52:21,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2323 transitions. [2022-10-16 15:52:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:52:21,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:21,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:21,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:52:21,408 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:21,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:21,409 INFO L85 PathProgramCache]: Analyzing trace with hash -435751943, now seen corresponding path program 1 times [2022-10-16 15:52:21,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:21,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689238029] [2022-10-16 15:52:21,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:21,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:21,635 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 15:52:21,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:21,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689238029] [2022-10-16 15:52:21,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689238029] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:21,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:21,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:21,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431793997] [2022-10-16 15:52:21,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:21,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:21,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:21,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:21,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:21,638 INFO L87 Difference]: Start difference. First operand 1593 states and 2323 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:22,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:22,139 INFO L93 Difference]: Finished difference Result 2003 states and 2985 transitions. [2022-10-16 15:52:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:22,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 15:52:22,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:22,154 INFO L225 Difference]: With dead ends: 2003 [2022-10-16 15:52:22,155 INFO L226 Difference]: Without dead ends: 1988 [2022-10-16 15:52:22,156 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 15:52:22,158 INFO L413 NwaCegarLoop]: 1479 mSDtfsCounter, 1341 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:22,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 1738 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:22,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-10-16 15:52:22,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1984. [2022-10-16 15:52:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1984 states, 1837 states have (on average 1.612411540555253) internal successors, (2962), 1983 states have internal predecessors, (2962), 0 states have call successors, (0), 0 states 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 15:52:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2962 transitions. [2022-10-16 15:52:22,331 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2962 transitions. Word has length 122 [2022-10-16 15:52:22,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:22,331 INFO L495 AbstractCegarLoop]: Abstraction has 1984 states and 2962 transitions. [2022-10-16 15:52:22,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2962 transitions. [2022-10-16 15:52:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:52:22,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:22,334 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] [2022-10-16 15:52:22,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:52:22,334 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:22,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:22,335 INFO L85 PathProgramCache]: Analyzing trace with hash -623407872, now seen corresponding path program 1 times [2022-10-16 15:52:22,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:22,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441884299] [2022-10-16 15:52:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:22,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:22,567 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 15:52:22,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:22,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441884299] [2022-10-16 15:52:22,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441884299] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:22,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:22,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:22,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762589983] [2022-10-16 15:52:22,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:22,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:22,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:22,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:22,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:22,571 INFO L87 Difference]: Start difference. First operand 1984 states and 2962 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states 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 15:52:23,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:23,155 INFO L93 Difference]: Finished difference Result 2725 states and 4129 transitions. [2022-10-16 15:52:23,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:23,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 15:52:23,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:23,171 INFO L225 Difference]: With dead ends: 2725 [2022-10-16 15:52:23,172 INFO L226 Difference]: Without dead ends: 2710 [2022-10-16 15:52:23,174 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 15:52:23,180 INFO L413 NwaCegarLoop]: 1298 mSDtfsCounter, 1324 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:23,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 1595 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:23,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2022-10-16 15:52:23,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2670. [2022-10-16 15:52:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 2533 states have (on average 1.6206079747335176) internal successors, (4105), 2669 states have internal predecessors, (4105), 0 states have call successors, (0), 0 states 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 15:52:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 4105 transitions. [2022-10-16 15:52:23,402 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 4105 transitions. Word has length 123 [2022-10-16 15:52:23,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:23,402 INFO L495 AbstractCegarLoop]: Abstraction has 2670 states and 4105 transitions. [2022-10-16 15:52:23,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states 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 15:52:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 4105 transitions. [2022-10-16 15:52:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:52:23,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:23,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:23,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:52:23,410 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:23,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:23,410 INFO L85 PathProgramCache]: Analyzing trace with hash -2094495614, now seen corresponding path program 1 times [2022-10-16 15:52:23,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:23,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023316570] [2022-10-16 15:52:23,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:23,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:23,649 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 15:52:23,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:23,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023316570] [2022-10-16 15:52:23,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023316570] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:23,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:23,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:23,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064664369] [2022-10-16 15:52:23,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:23,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:23,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:23,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:23,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:23,653 INFO L87 Difference]: Start difference. First operand 2670 states and 4105 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:24,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:24,256 INFO L93 Difference]: Finished difference Result 3992 states and 6266 transitions. [2022-10-16 15:52:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:24,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 15:52:24,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:24,280 INFO L225 Difference]: With dead ends: 3992 [2022-10-16 15:52:24,280 INFO L226 Difference]: Without dead ends: 3986 [2022-10-16 15:52:24,283 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 15:52:24,285 INFO L413 NwaCegarLoop]: 1418 mSDtfsCounter, 1254 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:24,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 1682 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:24,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2022-10-16 15:52:24,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3971. [2022-10-16 15:52:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3971 states, 3839 states have (on average 1.6246418338108883) internal successors, (6237), 3970 states have internal predecessors, (6237), 0 states have call successors, (0), 0 states 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 15:52:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3971 states and 6237 transitions. [2022-10-16 15:52:24,699 INFO L78 Accepts]: Start accepts. Automaton has 3971 states and 6237 transitions. Word has length 125 [2022-10-16 15:52:24,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:24,700 INFO L495 AbstractCegarLoop]: Abstraction has 3971 states and 6237 transitions. [2022-10-16 15:52:24,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 6237 transitions. [2022-10-16 15:52:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:52:24,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:24,702 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] [2022-10-16 15:52:24,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:52:24,703 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:24,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:24,704 INFO L85 PathProgramCache]: Analyzing trace with hash -504854114, now seen corresponding path program 1 times [2022-10-16 15:52:24,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:24,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737558154] [2022-10-16 15:52:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:24,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:24,903 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 15:52:24,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:24,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737558154] [2022-10-16 15:52:24,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737558154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:24,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:24,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:52:24,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552549036] [2022-10-16 15:52:24,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:24,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:52:24,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:52:24,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:52:24,907 INFO L87 Difference]: Start difference. First operand 3971 states and 6237 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 15:52:25,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:25,987 INFO L93 Difference]: Finished difference Result 6778 states and 10833 transitions. [2022-10-16 15:52:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:52:25,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 15:52:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:26,029 INFO L225 Difference]: With dead ends: 6778 [2022-10-16 15:52:26,029 INFO L226 Difference]: Without dead ends: 6772 [2022-10-16 15:52:26,032 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 15:52:26,034 INFO L413 NwaCegarLoop]: 1538 mSDtfsCounter, 1185 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:26,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 1849 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:52:26,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6772 states. [2022-10-16 15:52:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6772 to 6729. [2022-10-16 15:52:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6602 states have (on average 1.6355649803089973) internal successors, (10798), 6728 states have internal predecessors, (10798), 0 states have call successors, (0), 0 states 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 15:52:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 10798 transitions. [2022-10-16 15:52:26,816 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 10798 transitions. Word has length 126 [2022-10-16 15:52:26,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:26,817 INFO L495 AbstractCegarLoop]: Abstraction has 6729 states and 10798 transitions. [2022-10-16 15:52:26,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 15:52:26,817 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 10798 transitions. [2022-10-16 15:52:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 15:52:26,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:26,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:26,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:52:26,820 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:26,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:26,821 INFO L85 PathProgramCache]: Analyzing trace with hash 166516352, now seen corresponding path program 1 times [2022-10-16 15:52:26,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:26,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029331594] [2022-10-16 15:52:26,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:26,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:27,004 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 15:52:27,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:27,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029331594] [2022-10-16 15:52:27,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029331594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:27,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:27,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:27,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776208005] [2022-10-16 15:52:27,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:27,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:27,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:27,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:27,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:27,007 INFO L87 Difference]: Start difference. First operand 6729 states and 10798 transitions. Second operand has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:28,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:28,104 INFO L93 Difference]: Finished difference Result 8806 states and 14175 transitions. [2022-10-16 15:52:28,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:52:28,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-10-16 15:52:28,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:28,146 INFO L225 Difference]: With dead ends: 8806 [2022-10-16 15:52:28,146 INFO L226 Difference]: Without dead ends: 8801 [2022-10-16 15:52:28,151 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 15:52:28,152 INFO L413 NwaCegarLoop]: 1222 mSDtfsCounter, 1835 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:28,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 2454 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:28,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8801 states. [2022-10-16 15:52:28,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8801 to 6724. [2022-10-16 15:52:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6724 states, 6602 states have (on average 1.6348076340502877) internal successors, (10793), 6723 states have internal predecessors, (10793), 0 states have call successors, (0), 0 states 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 15:52:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6724 states to 6724 states and 10793 transitions. [2022-10-16 15:52:28,890 INFO L78 Accepts]: Start accepts. Automaton has 6724 states and 10793 transitions. Word has length 128 [2022-10-16 15:52:28,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:28,890 INFO L495 AbstractCegarLoop]: Abstraction has 6724 states and 10793 transitions. [2022-10-16 15:52:28,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 6724 states and 10793 transitions. [2022-10-16 15:52:28,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:52:28,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:28,893 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] [2022-10-16 15:52:28,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:52:28,894 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:28,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:28,895 INFO L85 PathProgramCache]: Analyzing trace with hash 867040103, now seen corresponding path program 1 times [2022-10-16 15:52:28,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:28,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850357750] [2022-10-16 15:52:28,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:28,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:29,052 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 15:52:29,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:29,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850357750] [2022-10-16 15:52:29,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850357750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:29,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:29,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:29,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011303184] [2022-10-16 15:52:29,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:29,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:29,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:29,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:29,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:29,056 INFO L87 Difference]: Start difference. First operand 6724 states and 10793 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states 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 15:52:30,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:30,331 INFO L93 Difference]: Finished difference Result 8799 states and 14170 transitions. [2022-10-16 15:52:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:52:30,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 15:52:30,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:30,360 INFO L225 Difference]: With dead ends: 8799 [2022-10-16 15:52:30,360 INFO L226 Difference]: Without dead ends: 8792 [2022-10-16 15:52:30,364 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 15:52:30,366 INFO L413 NwaCegarLoop]: 1166 mSDtfsCounter, 2671 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:30,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2671 Valid, 2050 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:52:30,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8792 states. [2022-10-16 15:52:31,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8792 to 8716. [2022-10-16 15:52:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8716 states, 8599 states have (on average 1.6424002791022212) internal successors, (14123), 8715 states have internal predecessors, (14123), 0 states have call successors, (0), 0 states 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 15:52:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8716 states to 8716 states and 14123 transitions. [2022-10-16 15:52:31,290 INFO L78 Accepts]: Start accepts. Automaton has 8716 states and 14123 transitions. Word has length 129 [2022-10-16 15:52:31,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:31,290 INFO L495 AbstractCegarLoop]: Abstraction has 8716 states and 14123 transitions. [2022-10-16 15:52:31,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states 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 15:52:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 8716 states and 14123 transitions. [2022-10-16 15:52:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 15:52:31,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:31,293 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] [2022-10-16 15:52:31,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:52:31,294 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:31,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:31,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1899241, now seen corresponding path program 1 times [2022-10-16 15:52:31,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:31,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647545730] [2022-10-16 15:52:31,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:31,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:31,469 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 15:52:31,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:31,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647545730] [2022-10-16 15:52:31,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647545730] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:31,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:31,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:31,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132691365] [2022-10-16 15:52:31,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:31,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:31,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:31,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:31,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:31,472 INFO L87 Difference]: Start difference. First operand 8716 states and 14123 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states 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 15:52:32,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:32,787 INFO L93 Difference]: Finished difference Result 12764 states and 20806 transitions. [2022-10-16 15:52:32,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:52:32,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 15:52:32,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:32,821 INFO L225 Difference]: With dead ends: 12764 [2022-10-16 15:52:32,821 INFO L226 Difference]: Without dead ends: 12759 [2022-10-16 15:52:32,826 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 15:52:32,827 INFO L413 NwaCegarLoop]: 1679 mSDtfsCounter, 1831 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 3236 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:32,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 3236 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:32,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12759 states. [2022-10-16 15:52:33,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12759 to 8711. [2022-10-16 15:52:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8711 states, 8599 states have (on average 1.6418188161414118) internal successors, (14118), 8710 states have internal predecessors, (14118), 0 states have call successors, (0), 0 states 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 15:52:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8711 states to 8711 states and 14118 transitions. [2022-10-16 15:52:33,748 INFO L78 Accepts]: Start accepts. Automaton has 8711 states and 14118 transitions. Word has length 131 [2022-10-16 15:52:33,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:33,749 INFO L495 AbstractCegarLoop]: Abstraction has 8711 states and 14118 transitions. [2022-10-16 15:52:33,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states 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 15:52:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 8711 states and 14118 transitions. [2022-10-16 15:52:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 15:52:33,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:33,752 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] [2022-10-16 15:52:33,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:52:33,753 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:33,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash 58876965, now seen corresponding path program 1 times [2022-10-16 15:52:33,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:33,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919798971] [2022-10-16 15:52:33,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:33,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:33,925 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 15:52:33,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:33,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919798971] [2022-10-16 15:52:33,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919798971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:33,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:33,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:33,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7678621] [2022-10-16 15:52:33,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:33,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:33,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:33,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:33,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:33,928 INFO L87 Difference]: Start difference. First operand 8711 states and 14118 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states 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 15:52:35,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:35,399 INFO L93 Difference]: Finished difference Result 14513 states and 23701 transitions. [2022-10-16 15:52:35,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:52:35,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 15:52:35,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:35,443 INFO L225 Difference]: With dead ends: 14513 [2022-10-16 15:52:35,444 INFO L226 Difference]: Without dead ends: 14506 [2022-10-16 15:52:35,452 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 15:52:35,453 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 2220 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 2483 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:35,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2220 Valid, 2483 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:35,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14506 states. [2022-10-16 15:52:36,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14506 to 14402. [2022-10-16 15:52:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14402 states, 14295 states have (on average 1.6505071703392795) internal successors, (23594), 14401 states have internal predecessors, (23594), 0 states have call successors, (0), 0 states 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 15:52:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14402 states to 14402 states and 23594 transitions. [2022-10-16 15:52:36,728 INFO L78 Accepts]: Start accepts. Automaton has 14402 states and 23594 transitions. Word has length 132 [2022-10-16 15:52:36,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:36,728 INFO L495 AbstractCegarLoop]: Abstraction has 14402 states and 23594 transitions. [2022-10-16 15:52:36,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states 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 15:52:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 14402 states and 23594 transitions. [2022-10-16 15:52:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:52:36,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:36,731 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] [2022-10-16 15:52:36,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:52:36,731 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:36,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:36,732 INFO L85 PathProgramCache]: Analyzing trace with hash 746204423, now seen corresponding path program 1 times [2022-10-16 15:52:36,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:36,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745784996] [2022-10-16 15:52:36,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:36,882 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 15:52:36,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:36,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745784996] [2022-10-16 15:52:36,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745784996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:36,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:36,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:36,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468297849] [2022-10-16 15:52:36,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:36,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:36,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:36,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:36,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:36,885 INFO L87 Difference]: Start difference. First operand 14402 states and 23594 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states 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 15:52:39,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:39,252 INFO L93 Difference]: Finished difference Result 26677 states and 43941 transitions. [2022-10-16 15:52:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:52:39,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 15:52:39,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:39,332 INFO L225 Difference]: With dead ends: 26677 [2022-10-16 15:52:39,333 INFO L226 Difference]: Without dead ends: 26672 [2022-10-16 15:52:39,345 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 15:52:39,346 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 1827 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 2590 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:39,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 2590 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:52:39,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26672 states. [2022-10-16 15:52:41,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26672 to 14397. [2022-10-16 15:52:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14397 states, 14295 states have (on average 1.6501573976915005) internal successors, (23589), 14396 states have internal predecessors, (23589), 0 states have call successors, (0), 0 states 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 15:52:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14397 states to 14397 states and 23589 transitions. [2022-10-16 15:52:41,241 INFO L78 Accepts]: Start accepts. Automaton has 14397 states and 23589 transitions. Word has length 134 [2022-10-16 15:52:41,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:41,241 INFO L495 AbstractCegarLoop]: Abstraction has 14397 states and 23589 transitions. [2022-10-16 15:52:41,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states 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 15:52:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 14397 states and 23589 transitions. [2022-10-16 15:52:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 15:52:41,243 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:41,243 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] [2022-10-16 15:52:41,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:52:41,244 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:41,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:41,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1657501134, now seen corresponding path program 1 times [2022-10-16 15:52:41,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:41,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56044580] [2022-10-16 15:52:41,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:41,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:41,396 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 15:52:41,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:41,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56044580] [2022-10-16 15:52:41,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56044580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:41,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:41,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:41,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563429065] [2022-10-16 15:52:41,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:41,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:41,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:41,399 INFO L87 Difference]: Start difference. First operand 14397 states and 23589 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states 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 15:52:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:43,988 INFO L93 Difference]: Finished difference Result 27775 states and 45738 transitions. [2022-10-16 15:52:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:52:43,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 15:52:43,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:44,075 INFO L225 Difference]: With dead ends: 27775 [2022-10-16 15:52:44,075 INFO L226 Difference]: Without dead ends: 27768 [2022-10-16 15:52:44,089 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 15:52:44,090 INFO L413 NwaCegarLoop]: 1298 mSDtfsCounter, 2583 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 2218 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:44,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2583 Valid, 2218 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:52:44,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27768 states. [2022-10-16 15:52:46,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27768 to 27604. [2022-10-16 15:52:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27604 states, 27507 states have (on average 1.6540153415494239) internal successors, (45497), 27603 states have internal predecessors, (45497), 0 states have call successors, (0), 0 states 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 15:52:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27604 states to 27604 states and 45497 transitions. [2022-10-16 15:52:47,036 INFO L78 Accepts]: Start accepts. Automaton has 27604 states and 45497 transitions. Word has length 135 [2022-10-16 15:52:47,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:47,037 INFO L495 AbstractCegarLoop]: Abstraction has 27604 states and 45497 transitions. [2022-10-16 15:52:47,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states 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 15:52:47,037 INFO L276 IsEmpty]: Start isEmpty. Operand 27604 states and 45497 transitions. [2022-10-16 15:52:47,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 15:52:47,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:47,039 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] [2022-10-16 15:52:47,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:52:47,039 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:47,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:47,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1474459266, now seen corresponding path program 1 times [2022-10-16 15:52:47,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:47,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507412026] [2022-10-16 15:52:47,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:47,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:47,189 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 15:52:47,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:47,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507412026] [2022-10-16 15:52:47,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507412026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:47,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:47,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:47,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956037064] [2022-10-16 15:52:47,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:47,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:47,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:47,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:47,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:47,192 INFO L87 Difference]: Start difference. First operand 27604 states and 45497 transitions. Second operand has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 15:52:52,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:52,108 INFO L93 Difference]: Finished difference Result 55288 states and 91681 transitions. [2022-10-16 15:52:52,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:52:52,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2022-10-16 15:52:52,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:52,227 INFO L225 Difference]: With dead ends: 55288 [2022-10-16 15:52:52,227 INFO L226 Difference]: Without dead ends: 55279 [2022-10-16 15:52:52,253 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 15:52:52,253 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 2174 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:52,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 2956 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:52,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55279 states. [2022-10-16 15:52:57,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55279 to 41492. [2022-10-16 15:52:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41492 states, 41400 states have (on average 1.6596618357487922) internal successors, (68710), 41491 states have internal predecessors, (68710), 0 states have call successors, (0), 0 states 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 15:52:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41492 states to 41492 states and 68710 transitions. [2022-10-16 15:52:57,171 INFO L78 Accepts]: Start accepts. Automaton has 41492 states and 68710 transitions. Word has length 147 [2022-10-16 15:52:57,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:57,171 INFO L495 AbstractCegarLoop]: Abstraction has 41492 states and 68710 transitions. [2022-10-16 15:52:57,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 15:52:57,172 INFO L276 IsEmpty]: Start isEmpty. Operand 41492 states and 68710 transitions. [2022-10-16 15:52:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 15:52:57,175 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:57,175 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] [2022-10-16 15:52:57,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:52:57,176 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:52:57,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:57,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1536403546, now seen corresponding path program 1 times [2022-10-16 15:52:57,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:57,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986784931] [2022-10-16 15:52:57,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:57,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:57,323 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 15:52:57,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:57,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986784931] [2022-10-16 15:52:57,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986784931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:57,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:57,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:57,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2528455] [2022-10-16 15:52:57,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:57,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:57,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:57,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:57,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:57,326 INFO L87 Difference]: Start difference. First operand 41492 states and 68710 transitions. Second operand has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states 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 15:53:04,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:04,168 INFO L93 Difference]: Finished difference Result 66465 states and 110048 transitions. [2022-10-16 15:53:04,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:53:04,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-10-16 15:53:04,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:04,385 INFO L225 Difference]: With dead ends: 66465 [2022-10-16 15:53:04,385 INFO L226 Difference]: Without dead ends: 66456 [2022-10-16 15:53:04,399 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 15:53:04,400 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 2608 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2608 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:04,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2608 Valid, 2219 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:53:04,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66456 states. [2022-10-16 15:53:11,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66456 to 66397. [2022-10-16 15:53:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66397 states, 66310 states have (on average 1.6565073141305986) internal successors, (109843), 66396 states have internal predecessors, (109843), 0 states have call successors, (0), 0 states 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 15:53:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66397 states to 66397 states and 109843 transitions. [2022-10-16 15:53:11,763 INFO L78 Accepts]: Start accepts. Automaton has 66397 states and 109843 transitions. Word has length 148 [2022-10-16 15:53:11,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:11,764 INFO L495 AbstractCegarLoop]: Abstraction has 66397 states and 109843 transitions. [2022-10-16 15:53:11,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states 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 15:53:11,764 INFO L276 IsEmpty]: Start isEmpty. Operand 66397 states and 109843 transitions. [2022-10-16 15:53:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 15:53:11,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:11,766 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] [2022-10-16 15:53:11,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:53:11,766 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:53:11,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash 383870208, now seen corresponding path program 1 times [2022-10-16 15:53:11,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:11,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951495523] [2022-10-16 15:53:11,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:11,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:12,181 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 15:53:12,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:12,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951495523] [2022-10-16 15:53:12,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951495523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:12,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:12,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:53:12,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956059377] [2022-10-16 15:53:12,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:12,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:53:12,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:12,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:53:12,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:53:12,184 INFO L87 Difference]: Start difference. First operand 66397 states and 109843 transitions. Second operand has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states 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 15:53:21,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:21,779 INFO L93 Difference]: Finished difference Result 93896 states and 155439 transitions. [2022-10-16 15:53:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:53:21,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2022-10-16 15:53:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:21,917 INFO L225 Difference]: With dead ends: 93896 [2022-10-16 15:53:21,917 INFO L226 Difference]: Without dead ends: 93887 [2022-10-16 15:53:21,934 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 15:53:21,935 INFO L413 NwaCegarLoop]: 1593 mSDtfsCounter, 3633 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3633 SdHoareTripleChecker+Valid, 3900 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:21,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3633 Valid, 3900 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:53:21,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93887 states. [2022-10-16 15:53:30,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93887 to 80054. [2022-10-16 15:53:30,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80054 states, 79972 states have (on average 1.657280048016806) internal successors, (132536), 80053 states have internal predecessors, (132536), 0 states have call successors, (0), 0 states 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 15:53:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80054 states to 80054 states and 132536 transitions. [2022-10-16 15:53:30,299 INFO L78 Accepts]: Start accepts. Automaton has 80054 states and 132536 transitions. Word has length 149 [2022-10-16 15:53:30,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:30,300 INFO L495 AbstractCegarLoop]: Abstraction has 80054 states and 132536 transitions. [2022-10-16 15:53:30,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states 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 15:53:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 80054 states and 132536 transitions. [2022-10-16 15:53:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 15:53:30,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:30,301 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] [2022-10-16 15:53:30,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:53:30,302 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:53:30,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:30,302 INFO L85 PathProgramCache]: Analyzing trace with hash -984924900, now seen corresponding path program 1 times [2022-10-16 15:53:30,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:30,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920494326] [2022-10-16 15:53:30,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:30,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:30,483 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 15:53:30,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:30,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920494326] [2022-10-16 15:53:30,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920494326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:30,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:30,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:53:30,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415648480] [2022-10-16 15:53:30,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:30,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:53:30,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:30,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:53:30,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:53:30,486 INFO L87 Difference]: Start difference. First operand 80054 states and 132536 transitions. Second operand has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states 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 15:53:41,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:41,816 INFO L93 Difference]: Finished difference Result 104117 states and 172178 transitions. [2022-10-16 15:53:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:53:41,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2022-10-16 15:53:41,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:42,019 INFO L225 Difference]: With dead ends: 104117 [2022-10-16 15:53:42,019 INFO L226 Difference]: Without dead ends: 104108 [2022-10-16 15:53:42,047 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 15:53:42,048 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 3677 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3677 SdHoareTripleChecker+Valid, 3193 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:42,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3677 Valid, 3193 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:53:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104108 states. [2022-10-16 15:53:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104108 to 103995. [2022-10-16 15:53:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103995 states, 103918 states have (on average 1.6543524702169017) internal successors, (171917), 103994 states have internal predecessors, (171917), 0 states have call successors, (0), 0 states 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 15:53:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103995 states to 103995 states and 171917 transitions. [2022-10-16 15:53:54,580 INFO L78 Accepts]: Start accepts. Automaton has 103995 states and 171917 transitions. Word has length 150 [2022-10-16 15:53:54,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:54,581 INFO L495 AbstractCegarLoop]: Abstraction has 103995 states and 171917 transitions. [2022-10-16 15:53:54,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states 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 15:53:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 103995 states and 171917 transitions. [2022-10-16 15:53:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 15:53:54,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:54,582 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] [2022-10-16 15:53:54,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:53:54,582 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 15:53:54,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:54,583 INFO L85 PathProgramCache]: Analyzing trace with hash -467900286, now seen corresponding path program 1 times [2022-10-16 15:53:54,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:54,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016881985] [2022-10-16 15:53:54,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:54,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:54,815 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 15:53:54,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:54,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016881985] [2022-10-16 15:53:54,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016881985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:54,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:54,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:53:54,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746879115] [2022-10-16 15:53:54,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:54,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:53:54,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:54,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:53:54,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:53:54,818 INFO L87 Difference]: Start difference. First operand 103995 states and 171917 transitions. Second operand has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states 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 15:54:25,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:54:25,406 INFO L93 Difference]: Finished difference Result 343264 states and 568761 transitions. [2022-10-16 15:54:25,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 15:54:25,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2022-10-16 15:54:25,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:54:26,032 INFO L225 Difference]: With dead ends: 343264 [2022-10-16 15:54:26,032 INFO L226 Difference]: Without dead ends: 240915 [2022-10-16 15:54:26,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 15:54:26,207 INFO L413 NwaCegarLoop]: 1863 mSDtfsCounter, 5273 mSDsluCounter, 4258 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5273 SdHoareTripleChecker+Valid, 6121 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 15:54:26,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5273 Valid, 6121 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 15:54:26,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240915 states.