/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:27:07,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:27:07,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:27:07,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:27:07,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:27:07,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:27:07,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:27:07,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:27:07,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:27:07,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:27:07,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:27:07,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:27:07,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:27:07,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:27:07,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:27:07,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:27:07,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:27:07,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:27:08,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:27:08,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:27:08,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:27:08,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:27:08,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:27:08,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:27:08,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 15:27:08,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 15:27:08,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 15:27:08,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 15:27:08,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 15:27:08,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 15:27:08,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 15:27:08,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 15:27:08,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 15:27:08,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 15:27:08,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 15:27:08,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 15:27:08,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 15:27:08,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 15:27:08,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:27:08,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:27:08,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:27:08,044 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 15:27:08,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:27:08,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:27:08,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:27:08,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:27:08,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:27:08,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:27:08,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:27:08,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:27:08,099 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:27:08,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:27:08,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:27:08,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:27:08,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:27:08,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:27:08,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:27:08,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:27:08,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:27:08,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:27:08,102 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:27:08,102 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:27:08,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:27:08,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:27:08,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:27:08,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:27:08,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:27:08,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:27:08,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:27:08,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:27:08,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:27:08,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:27:08,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:27:08,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:27:08,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:27:08,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:27:08,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:27:08,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:27:08,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:27:08,548 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:27:08,548 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:27:08,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:27:08,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defdda8ab/1d5a3151015243999a7c0c9cc771d34f/FLAG910fcb02b [2022-10-16 15:27:09,461 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:27:09,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:27:09,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defdda8ab/1d5a3151015243999a7c0c9cc771d34f/FLAG910fcb02b [2022-10-16 15:27:09,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defdda8ab/1d5a3151015243999a7c0c9cc771d34f [2022-10-16 15:27:09,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:27:09,626 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:27:09,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:27:09,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:27:09,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:27:09,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:27:09" (1/1) ... [2022-10-16 15:27:09,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b33733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:09, skipping insertion in model container [2022-10-16 15:27:09,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:27:09" (1/1) ... [2022-10-16 15:27:09,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:27:09,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:27:10,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.UNBOUNDED.pals.c[65679,65692] [2022-10-16 15:27:10,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:27:10,359 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:27:10,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.3.ufo.UNBOUNDED.pals.c[65679,65692] [2022-10-16 15:27:10,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:27:10,614 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:27:10,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10 WrapperNode [2022-10-16 15:27:10,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:27:10,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:27:10,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:27:10,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:27:10,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,767 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 2193 [2022-10-16 15:27:10,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:27:10,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:27:10,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:27:10,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:27:10,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:27:10,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:27:10,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:27:10,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:27:10,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (1/1) ... [2022-10-16 15:27:10,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:27:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:27:11,000 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 15:27:11,030 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 15:27:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:27:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:27:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:27:11,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:27:11,324 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:27:11,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:27:13,367 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:27:13,386 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:27:13,386 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:27:13,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:27:13 BoogieIcfgContainer [2022-10-16 15:27:13,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:27:13,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:27:13,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:27:13,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:27:13,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:27:09" (1/3) ... [2022-10-16 15:27:13,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a192f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:27:13, skipping insertion in model container [2022-10-16 15:27:13,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:10" (2/3) ... [2022-10-16 15:27:13,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a192f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:27:13, skipping insertion in model container [2022-10-16 15:27:13,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:27:13" (3/3) ... [2022-10-16 15:27:13,403 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:27:13,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:27:13,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2022-10-16 15:27:13,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:27:13,534 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18e4aff5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:27:13,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-10-16 15:27:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 860 states, 799 states have (on average 1.8610763454317898) internal successors, (1487), 859 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states 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 15:27:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 15:27:13,572 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:13,574 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 15:27:13,574 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:13,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:13,582 INFO L85 PathProgramCache]: Analyzing trace with hash 2054514181, now seen corresponding path program 1 times [2022-10-16 15:27:13,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:13,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37758137] [2022-10-16 15:27:13,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:13,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:14,359 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 15:27:14,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:14,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37758137] [2022-10-16 15:27:14,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37758137] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:14,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:14,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:14,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007539464] [2022-10-16 15:27:14,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:14,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:27:14,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:14,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:27:14,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:27:14,431 INFO L87 Difference]: Start difference. First operand has 860 states, 799 states have (on average 1.8610763454317898) internal successors, (1487), 859 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 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 15:27:14,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:14,536 INFO L93 Difference]: Finished difference Result 1156 states and 1935 transitions. [2022-10-16 15:27:14,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:27:14,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 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 15:27:14,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:14,569 INFO L225 Difference]: With dead ends: 1156 [2022-10-16 15:27:14,570 INFO L226 Difference]: Without dead ends: 845 [2022-10-16 15:27:14,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:27:14,581 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:14,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1470 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:14,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2022-10-16 15:27:14,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2022-10-16 15:27:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 795 states have (on average 1.8477987421383648) internal successors, (1469), 844 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states 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 15:27:14,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1469 transitions. [2022-10-16 15:27:14,706 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1469 transitions. Word has length 131 [2022-10-16 15:27:14,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:14,707 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1469 transitions. [2022-10-16 15:27:14,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 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 15:27:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1469 transitions. [2022-10-16 15:27:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 15:27:14,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:14,721 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 15:27:14,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:27:14,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:14,723 INFO L85 PathProgramCache]: Analyzing trace with hash -880305848, now seen corresponding path program 1 times [2022-10-16 15:27:14,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:14,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437112667] [2022-10-16 15:27:14,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:14,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:15,311 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 15:27:15,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:15,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437112667] [2022-10-16 15:27:15,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437112667] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:15,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:15,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:27:15,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295511217] [2022-10-16 15:27:15,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:15,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:27:15,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:15,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:27:15,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:27:15,318 INFO L87 Difference]: Start difference. First operand 845 states and 1469 transitions. Second operand has 5 states, 5 states have (on average 29.8) 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 15:27:15,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:15,549 INFO L93 Difference]: Finished difference Result 1143 states and 1906 transitions. [2022-10-16 15:27:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:27:15,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) 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 15:27:15,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:15,560 INFO L225 Difference]: With dead ends: 1143 [2022-10-16 15:27:15,561 INFO L226 Difference]: Without dead ends: 845 [2022-10-16 15:27:15,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:27:15,572 INFO L413 NwaCegarLoop]: 1467 mSDtfsCounter, 3 mSDsluCounter, 4333 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5800 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:15,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5800 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:27:15,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2022-10-16 15:27:15,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2022-10-16 15:27:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 795 states have (on average 1.7660377358490567) internal successors, (1404), 844 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states 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 15:27:15,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1404 transitions. [2022-10-16 15:27:15,619 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1404 transitions. Word has length 149 [2022-10-16 15:27:15,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:15,620 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1404 transitions. [2022-10-16 15:27:15,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) 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 15:27:15,620 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1404 transitions. [2022-10-16 15:27:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-10-16 15:27:15,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:15,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:15,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:27:15,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:15,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:15,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1194307238, now seen corresponding path program 1 times [2022-10-16 15:27:15,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:15,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732742134] [2022-10-16 15:27:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:15,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:15,917 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 15:27:15,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:15,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732742134] [2022-10-16 15:27:15,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732742134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:15,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:15,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:15,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516393091] [2022-10-16 15:27:15,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:15,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:15,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:15,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:15,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:15,921 INFO L87 Difference]: Start difference. First operand 845 states and 1404 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states 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 15:27:16,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:16,020 INFO L93 Difference]: Finished difference Result 1387 states and 2212 transitions. [2022-10-16 15:27:16,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:16,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 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 213 [2022-10-16 15:27:16,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:16,032 INFO L225 Difference]: With dead ends: 1387 [2022-10-16 15:27:16,033 INFO L226 Difference]: Without dead ends: 1093 [2022-10-16 15:27:16,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:16,044 INFO L413 NwaCegarLoop]: 1418 mSDtfsCounter, 366 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:16,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 2751 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:16,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-10-16 15:27:16,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1057. [2022-10-16 15:27:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 1007 states have (on average 1.7586891757696128) internal successors, (1771), 1056 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states 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 15:27:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1771 transitions. [2022-10-16 15:27:16,101 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1771 transitions. Word has length 213 [2022-10-16 15:27:16,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:16,103 INFO L495 AbstractCegarLoop]: Abstraction has 1057 states and 1771 transitions. [2022-10-16 15:27:16,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states 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 15:27:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1771 transitions. [2022-10-16 15:27:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-10-16 15:27:16,111 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:16,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:16,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:27:16,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:16,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:16,117 INFO L85 PathProgramCache]: Analyzing trace with hash -312984434, now seen corresponding path program 1 times [2022-10-16 15:27:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:16,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264843715] [2022-10-16 15:27:16,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:16,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:16,565 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 15:27:16,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:16,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264843715] [2022-10-16 15:27:16,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264843715] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:16,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:16,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:16,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124030443] [2022-10-16 15:27:16,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:16,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:16,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:16,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:16,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:16,570 INFO L87 Difference]: Start difference. First operand 1057 states and 1771 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states 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 15:27:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:16,661 INFO L93 Difference]: Finished difference Result 2045 states and 3327 transitions. [2022-10-16 15:27:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:16,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 217 [2022-10-16 15:27:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:16,673 INFO L225 Difference]: With dead ends: 2045 [2022-10-16 15:27:16,674 INFO L226 Difference]: Without dead ends: 1539 [2022-10-16 15:27:16,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:16,685 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 398 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:16,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 2743 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:16,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2022-10-16 15:27:16,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1485. [2022-10-16 15:27:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 1435 states have (on average 1.7554006968641116) internal successors, (2519), 1484 states have internal predecessors, (2519), 0 states have call successors, (0), 0 states 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 15:27:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2519 transitions. [2022-10-16 15:27:16,764 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2519 transitions. Word has length 217 [2022-10-16 15:27:16,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:16,765 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2519 transitions. [2022-10-16 15:27:16,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states 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 15:27:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2519 transitions. [2022-10-16 15:27:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-16 15:27:16,771 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:16,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:16,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:27:16,772 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:16,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:16,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1495880778, now seen corresponding path program 1 times [2022-10-16 15:27:16,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:16,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924103754] [2022-10-16 15:27:16,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:16,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:17,157 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 15:27:17,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:17,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924103754] [2022-10-16 15:27:17,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924103754] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:17,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:17,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:17,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191793552] [2022-10-16 15:27:17,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:17,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:17,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:17,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:17,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:17,182 INFO L87 Difference]: Start difference. First operand 1485 states and 2519 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states 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 15:27:17,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:17,282 INFO L93 Difference]: Finished difference Result 3305 states and 5527 transitions. [2022-10-16 15:27:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:17,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 221 [2022-10-16 15:27:17,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:17,298 INFO L225 Difference]: With dead ends: 3305 [2022-10-16 15:27:17,298 INFO L226 Difference]: Without dead ends: 2371 [2022-10-16 15:27:17,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:17,303 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 390 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:17,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 2744 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:17,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2022-10-16 15:27:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2313. [2022-10-16 15:27:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2313 states, 2263 states have (on average 1.751215201060539) internal successors, (3963), 2312 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states 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 15:27:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 3963 transitions. [2022-10-16 15:27:17,415 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 3963 transitions. Word has length 221 [2022-10-16 15:27:17,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:17,416 INFO L495 AbstractCegarLoop]: Abstraction has 2313 states and 3963 transitions. [2022-10-16 15:27:17,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states 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 15:27:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 3963 transitions. [2022-10-16 15:27:17,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-16 15:27:17,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:17,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:27:17,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:27:17,426 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:17,428 INFO L85 PathProgramCache]: Analyzing trace with hash 582286366, now seen corresponding path program 1 times [2022-10-16 15:27:17,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:17,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878067460] [2022-10-16 15:27:17,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:17,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:17,785 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 15:27:17,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:17,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878067460] [2022-10-16 15:27:17,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878067460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:17,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:17,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:17,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404407679] [2022-10-16 15:27:17,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:17,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:17,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:17,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:17,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:17,793 INFO L87 Difference]: Start difference. First operand 2313 states and 3963 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states 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 15:27:17,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:17,912 INFO L93 Difference]: Finished difference Result 5741 states and 9771 transitions. [2022-10-16 15:27:17,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:17,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-10-16 15:27:17,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:17,936 INFO L225 Difference]: With dead ends: 5741 [2022-10-16 15:27:17,936 INFO L226 Difference]: Without dead ends: 3979 [2022-10-16 15:27:17,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:17,945 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 382 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 2745 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:17,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 2745 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:17,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3979 states. [2022-10-16 15:27:18,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3979 to 3913. [2022-10-16 15:27:18,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3913 states, 3863 states have (on average 1.7465700232979549) internal successors, (6747), 3912 states have internal predecessors, (6747), 0 states have call successors, (0), 0 states 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 15:27:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 6747 transitions. [2022-10-16 15:27:18,151 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 6747 transitions. Word has length 225 [2022-10-16 15:27:18,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:18,152 INFO L495 AbstractCegarLoop]: Abstraction has 3913 states and 6747 transitions. [2022-10-16 15:27:18,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states 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 15:27:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 6747 transitions. [2022-10-16 15:27:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-16 15:27:18,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:18,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:18,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:27:18,159 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:18,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:18,160 INFO L85 PathProgramCache]: Analyzing trace with hash -498258490, now seen corresponding path program 1 times [2022-10-16 15:27:18,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:18,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994338683] [2022-10-16 15:27:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:18,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:18,458 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 15:27:18,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:18,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994338683] [2022-10-16 15:27:18,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994338683] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:18,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:18,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:18,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034054260] [2022-10-16 15:27:18,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:18,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:18,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:18,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:18,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:18,461 INFO L87 Difference]: Start difference. First operand 3913 states and 6747 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states 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 15:27:18,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:18,674 INFO L93 Difference]: Finished difference Result 10445 states and 17947 transitions. [2022-10-16 15:27:18,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:18,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 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 229 [2022-10-16 15:27:18,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:18,716 INFO L225 Difference]: With dead ends: 10445 [2022-10-16 15:27:18,716 INFO L226 Difference]: Without dead ends: 7083 [2022-10-16 15:27:18,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:18,726 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 374 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 2746 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:18,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 2746 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:18,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7083 states. [2022-10-16 15:27:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7083 to 7001. [2022-10-16 15:27:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7001 states, 6951 states have (on average 1.7417637749964034) internal successors, (12107), 7000 states have internal predecessors, (12107), 0 states have call successors, (0), 0 states 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 15:27:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7001 states to 7001 states and 12107 transitions. [2022-10-16 15:27:19,121 INFO L78 Accepts]: Start accepts. Automaton has 7001 states and 12107 transitions. Word has length 229 [2022-10-16 15:27:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:19,122 INFO L495 AbstractCegarLoop]: Abstraction has 7001 states and 12107 transitions. [2022-10-16 15:27:19,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states 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 15:27:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 7001 states and 12107 transitions. [2022-10-16 15:27:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-10-16 15:27:19,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:19,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:19,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:27:19,133 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:19,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:19,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1186381650, now seen corresponding path program 1 times [2022-10-16 15:27:19,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:19,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254054125] [2022-10-16 15:27:19,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:19,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:19,651 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 15:27:19,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:19,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254054125] [2022-10-16 15:27:19,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254054125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:19,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:19,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:19,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332427498] [2022-10-16 15:27:19,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:19,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:19,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:19,657 INFO L87 Difference]: Start difference. First operand 7001 states and 12107 transitions. Second operand has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states 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 15:27:20,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:20,212 INFO L93 Difference]: Finished difference Result 12032 states and 20827 transitions. [2022-10-16 15:27:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:20,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2022-10-16 15:27:20,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:20,287 INFO L225 Difference]: With dead ends: 12032 [2022-10-16 15:27:20,287 INFO L226 Difference]: Without dead ends: 12029 [2022-10-16 15:27:20,293 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 15:27:20,294 INFO L413 NwaCegarLoop]: 1339 mSDtfsCounter, 1167 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 1704 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:20,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 1704 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:27:20,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12029 states. [2022-10-16 15:27:20,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12029 to 11985. [2022-10-16 15:27:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11985 states, 11935 states have (on average 1.7383326351068287) internal successors, (20747), 11984 states have internal predecessors, (20747), 0 states have call successors, (0), 0 states 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 15:27:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11985 states to 11985 states and 20747 transitions. [2022-10-16 15:27:20,956 INFO L78 Accepts]: Start accepts. Automaton has 11985 states and 20747 transitions. Word has length 233 [2022-10-16 15:27:20,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:20,957 INFO L495 AbstractCegarLoop]: Abstraction has 11985 states and 20747 transitions. [2022-10-16 15:27:20,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states 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 15:27:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 11985 states and 20747 transitions. [2022-10-16 15:27:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-16 15:27:20,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:20,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:20,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:27:20,971 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:20,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1876878294, now seen corresponding path program 1 times [2022-10-16 15:27:20,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:20,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381455136] [2022-10-16 15:27:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:20,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:21,416 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 15:27:21,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:21,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381455136] [2022-10-16 15:27:21,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381455136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:21,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:21,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:21,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517917621] [2022-10-16 15:27:21,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:21,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:21,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:21,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:21,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:21,421 INFO L87 Difference]: Start difference. First operand 11985 states and 20747 transitions. Second operand has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 15:27:22,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:22,019 INFO L93 Difference]: Finished difference Result 12032 states and 20747 transitions. [2022-10-16 15:27:22,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:22,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-10-16 15:27:22,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:22,053 INFO L225 Difference]: With dead ends: 12032 [2022-10-16 15:27:22,053 INFO L226 Difference]: Without dead ends: 12029 [2022-10-16 15:27:22,058 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 15:27:22,061 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 1163 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:22,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 1707 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:27:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12029 states. [2022-10-16 15:27:22,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12029 to 11985. [2022-10-16 15:27:22,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11985 states, 11935 states have (on average 1.7316296606619188) internal successors, (20667), 11984 states have internal predecessors, (20667), 0 states have call successors, (0), 0 states 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 15:27:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11985 states to 11985 states and 20667 transitions. [2022-10-16 15:27:22,512 INFO L78 Accepts]: Start accepts. Automaton has 11985 states and 20667 transitions. Word has length 234 [2022-10-16 15:27:22,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:22,513 INFO L495 AbstractCegarLoop]: Abstraction has 11985 states and 20667 transitions. [2022-10-16 15:27:22,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 15:27:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 11985 states and 20667 transitions. [2022-10-16 15:27:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-10-16 15:27:22,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:22,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:22,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:27:22,523 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:22,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:22,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1946311248, now seen corresponding path program 1 times [2022-10-16 15:27:22,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:22,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583830381] [2022-10-16 15:27:22,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:22,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:23,125 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 15:27:23,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:23,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583830381] [2022-10-16 15:27:23,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583830381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:23,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:23,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:23,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431326023] [2022-10-16 15:27:23,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:23,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:23,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:23,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:23,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:23,129 INFO L87 Difference]: Start difference. First operand 11985 states and 20667 transitions. Second operand has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states 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 15:27:23,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:23,794 INFO L93 Difference]: Finished difference Result 15338 states and 26363 transitions. [2022-10-16 15:27:23,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:23,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 235 [2022-10-16 15:27:23,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:23,839 INFO L225 Difference]: With dead ends: 15338 [2022-10-16 15:27:23,839 INFO L226 Difference]: Without dead ends: 15335 [2022-10-16 15:27:23,846 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 15:27:23,847 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 1158 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:23,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1696 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:27:23,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15335 states. [2022-10-16 15:27:24,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15335 to 15297. [2022-10-16 15:27:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15297 states, 15247 states have (on average 1.7238145208893554) internal successors, (26283), 15296 states have internal predecessors, (26283), 0 states have call successors, (0), 0 states 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 15:27:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15297 states to 15297 states and 26283 transitions. [2022-10-16 15:27:24,647 INFO L78 Accepts]: Start accepts. Automaton has 15297 states and 26283 transitions. Word has length 235 [2022-10-16 15:27:24,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:24,648 INFO L495 AbstractCegarLoop]: Abstraction has 15297 states and 26283 transitions. [2022-10-16 15:27:24,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states 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 15:27:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 15297 states and 26283 transitions. [2022-10-16 15:27:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-10-16 15:27:24,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:24,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:24,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:27:24,658 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:24,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:24,659 INFO L85 PathProgramCache]: Analyzing trace with hash -206102760, now seen corresponding path program 1 times [2022-10-16 15:27:24,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:24,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436466876] [2022-10-16 15:27:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:24,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:25,252 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 15:27:25,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:25,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436466876] [2022-10-16 15:27:25,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436466876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:25,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:25,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:25,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475671197] [2022-10-16 15:27:25,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:25,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:25,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:25,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:25,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:25,257 INFO L87 Difference]: Start difference. First operand 15297 states and 26283 transitions. Second operand has 3 states, 2 states have (on average 118.0) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states 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 15:27:25,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:25,934 INFO L93 Difference]: Finished difference Result 15338 states and 26283 transitions. [2022-10-16 15:27:25,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:25,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 118.0) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 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 236 [2022-10-16 15:27:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:25,979 INFO L225 Difference]: With dead ends: 15338 [2022-10-16 15:27:25,979 INFO L226 Difference]: Without dead ends: 15335 [2022-10-16 15:27:25,985 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 15:27:25,986 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 1154 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:25,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 1699 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:27:26,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15335 states. [2022-10-16 15:27:26,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15335 to 15297. [2022-10-16 15:27:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15297 states, 15247 states have (on average 1.7185675870663082) internal successors, (26203), 15296 states have internal predecessors, (26203), 0 states have call successors, (0), 0 states 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 15:27:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15297 states to 15297 states and 26203 transitions. [2022-10-16 15:27:26,604 INFO L78 Accepts]: Start accepts. Automaton has 15297 states and 26203 transitions. Word has length 236 [2022-10-16 15:27:26,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:26,605 INFO L495 AbstractCegarLoop]: Abstraction has 15297 states and 26203 transitions. [2022-10-16 15:27:26,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 118.0) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states 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 15:27:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 15297 states and 26203 transitions. [2022-10-16 15:27:26,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-10-16 15:27:26,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:26,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:26,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:27:26,614 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:26,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:26,615 INFO L85 PathProgramCache]: Analyzing trace with hash -2094214478, now seen corresponding path program 1 times [2022-10-16 15:27:26,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:26,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727065792] [2022-10-16 15:27:26,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:26,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:27,194 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 15:27:27,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:27,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727065792] [2022-10-16 15:27:27,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727065792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:27,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:27,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:27,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462584953] [2022-10-16 15:27:27,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:27,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:27,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:27,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:27,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:27,198 INFO L87 Difference]: Start difference. First operand 15297 states and 26203 transitions. Second operand has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states 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 15:27:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:28,003 INFO L93 Difference]: Finished difference Result 18644 states and 31819 transitions. [2022-10-16 15:27:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:28,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 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 237 [2022-10-16 15:27:28,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:28,058 INFO L225 Difference]: With dead ends: 18644 [2022-10-16 15:27:28,059 INFO L226 Difference]: Without dead ends: 18641 [2022-10-16 15:27:28,067 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 15:27:28,068 INFO L413 NwaCegarLoop]: 1337 mSDtfsCounter, 1149 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:28,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 1688 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:27:28,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18641 states. [2022-10-16 15:27:28,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18641 to 18609. [2022-10-16 15:27:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18609 states, 18559 states have (on average 1.710167573683927) internal successors, (31739), 18608 states have internal predecessors, (31739), 0 states have call successors, (0), 0 states 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 15:27:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18609 states to 18609 states and 31739 transitions. [2022-10-16 15:27:28,888 INFO L78 Accepts]: Start accepts. Automaton has 18609 states and 31739 transitions. Word has length 237 [2022-10-16 15:27:28,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:28,889 INFO L495 AbstractCegarLoop]: Abstraction has 18609 states and 31739 transitions. [2022-10-16 15:27:28,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states 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 15:27:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 18609 states and 31739 transitions. [2022-10-16 15:27:28,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-10-16 15:27:28,897 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:28,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:28,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:27:28,898 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:28,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:28,899 INFO L85 PathProgramCache]: Analyzing trace with hash -496135590, now seen corresponding path program 1 times [2022-10-16 15:27:28,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:28,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919061347] [2022-10-16 15:27:28,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:28,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:29,497 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 15:27:29,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:29,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919061347] [2022-10-16 15:27:29,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919061347] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:29,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:29,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:29,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651293902] [2022-10-16 15:27:29,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:29,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:29,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:29,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:29,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:29,501 INFO L87 Difference]: Start difference. First operand 18609 states and 31739 transitions. Second operand has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:30,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:30,201 INFO L93 Difference]: Finished difference Result 18644 states and 31739 transitions. [2022-10-16 15:27:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:30,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 238 [2022-10-16 15:27:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:30,274 INFO L225 Difference]: With dead ends: 18644 [2022-10-16 15:27:30,274 INFO L226 Difference]: Without dead ends: 18641 [2022-10-16 15:27:30,282 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 15:27:30,284 INFO L413 NwaCegarLoop]: 1340 mSDtfsCounter, 1145 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:30,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1691 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:27:30,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18641 states. [2022-10-16 15:27:31,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18641 to 18609. [2022-10-16 15:27:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18609 states, 18559 states have (on average 1.7058569966054205) internal successors, (31659), 18608 states have internal predecessors, (31659), 0 states have call successors, (0), 0 states 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 15:27:31,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18609 states to 18609 states and 31659 transitions. [2022-10-16 15:27:31,169 INFO L78 Accepts]: Start accepts. Automaton has 18609 states and 31659 transitions. Word has length 238 [2022-10-16 15:27:31,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:31,170 INFO L495 AbstractCegarLoop]: Abstraction has 18609 states and 31659 transitions. [2022-10-16 15:27:31,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 18609 states and 31659 transitions. [2022-10-16 15:27:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-10-16 15:27:31,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:31,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:31,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:27:31,179 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:31,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:31,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1366746868, now seen corresponding path program 1 times [2022-10-16 15:27:31,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:31,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801163895] [2022-10-16 15:27:31,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:31,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:31,375 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 15:27:31,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:31,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801163895] [2022-10-16 15:27:31,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801163895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:31,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:31,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:31,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992475627] [2022-10-16 15:27:31,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:31,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:31,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:31,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:31,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:31,379 INFO L87 Difference]: Start difference. First operand 18609 states and 31659 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:32,190 INFO L93 Difference]: Finished difference Result 37266 states and 63346 transitions. [2022-10-16 15:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:32,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 238 [2022-10-16 15:27:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:32,294 INFO L225 Difference]: With dead ends: 37266 [2022-10-16 15:27:32,295 INFO L226 Difference]: Without dead ends: 27165 [2022-10-16 15:27:32,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:32,324 INFO L413 NwaCegarLoop]: 1718 mSDtfsCounter, 396 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 3073 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:32,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 3073 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:32,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27165 states. [2022-10-16 15:27:33,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27165 to 27115. [2022-10-16 15:27:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27115 states, 27065 states have (on average 1.7038980232772953) internal successors, (46116), 27114 states have internal predecessors, (46116), 0 states have call successors, (0), 0 states 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 15:27:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27115 states to 27115 states and 46116 transitions. [2022-10-16 15:27:33,628 INFO L78 Accepts]: Start accepts. Automaton has 27115 states and 46116 transitions. Word has length 238 [2022-10-16 15:27:33,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:33,629 INFO L495 AbstractCegarLoop]: Abstraction has 27115 states and 46116 transitions. [2022-10-16 15:27:33,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 27115 states and 46116 transitions. [2022-10-16 15:27:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-10-16 15:27:33,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:33,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:33,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:27:33,638 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:33,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:33,639 INFO L85 PathProgramCache]: Analyzing trace with hash -878028131, now seen corresponding path program 1 times [2022-10-16 15:27:33,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:33,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685622603] [2022-10-16 15:27:33,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:33,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:33,881 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 15:27:33,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:33,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685622603] [2022-10-16 15:27:33,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685622603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:33,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:33,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:33,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140148198] [2022-10-16 15:27:33,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:33,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:33,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:33,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:33,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:33,884 INFO L87 Difference]: Start difference. First operand 27115 states and 46116 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:35,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:35,118 INFO L93 Difference]: Finished difference Result 55031 states and 94044 transitions. [2022-10-16 15:27:35,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:35,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 238 [2022-10-16 15:27:35,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:35,245 INFO L225 Difference]: With dead ends: 55031 [2022-10-16 15:27:35,245 INFO L226 Difference]: Without dead ends: 39865 [2022-10-16 15:27:35,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:35,276 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 404 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 3090 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:35,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 3090 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:35,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39865 states. [2022-10-16 15:27:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39865 to 39815. [2022-10-16 15:27:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39815 states, 39765 states have (on average 1.7081604426002766) internal successors, (67925), 39814 states have internal predecessors, (67925), 0 states have call successors, (0), 0 states 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 15:27:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39815 states to 39815 states and 67925 transitions. [2022-10-16 15:27:37,153 INFO L78 Accepts]: Start accepts. Automaton has 39815 states and 67925 transitions. Word has length 238 [2022-10-16 15:27:37,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:37,154 INFO L495 AbstractCegarLoop]: Abstraction has 39815 states and 67925 transitions. [2022-10-16 15:27:37,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:27:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 39815 states and 67925 transitions. [2022-10-16 15:27:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-10-16 15:27:37,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:37,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:37,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:27:37,161 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:37,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:37,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1799669684, now seen corresponding path program 1 times [2022-10-16 15:27:37,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:37,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880978180] [2022-10-16 15:27:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:37,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:37,649 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 15:27:37,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:37,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880978180] [2022-10-16 15:27:37,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880978180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:37,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:37,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:37,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464850668] [2022-10-16 15:27:37,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:37,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:37,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:37,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:37,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:37,655 INFO L87 Difference]: Start difference. First operand 39815 states and 67925 transitions. Second operand has 3 states, 2 states have (on average 119.5) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states 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 15:27:39,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:39,355 INFO L93 Difference]: Finished difference Result 64058 states and 108081 transitions. [2022-10-16 15:27:39,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:39,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 119.5) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 239 [2022-10-16 15:27:39,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:39,529 INFO L225 Difference]: With dead ends: 64058 [2022-10-16 15:27:39,530 INFO L226 Difference]: Without dead ends: 64055 [2022-10-16 15:27:39,544 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 15:27:39,545 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 1158 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:39,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1622 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:27:39,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64055 states. [2022-10-16 15:27:41,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64055 to 64049. [2022-10-16 15:27:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64049 states, 64001 states have (on average 1.679989375166013) internal successors, (107521), 64048 states have internal predecessors, (107521), 0 states have call successors, (0), 0 states 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 15:27:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64049 states to 64049 states and 107521 transitions. [2022-10-16 15:27:41,674 INFO L78 Accepts]: Start accepts. Automaton has 64049 states and 107521 transitions. Word has length 239 [2022-10-16 15:27:41,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:41,675 INFO L495 AbstractCegarLoop]: Abstraction has 64049 states and 107521 transitions. [2022-10-16 15:27:41,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 119.5) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states 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 15:27:41,675 INFO L276 IsEmpty]: Start isEmpty. Operand 64049 states and 107521 transitions. [2022-10-16 15:27:41,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-10-16 15:27:41,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:41,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:41,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:27:41,682 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:41,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:41,683 INFO L85 PathProgramCache]: Analyzing trace with hash -44810852, now seen corresponding path program 1 times [2022-10-16 15:27:41,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:41,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022788216] [2022-10-16 15:27:41,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:41,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:42,359 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 15:27:42,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:42,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022788216] [2022-10-16 15:27:42,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022788216] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:42,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:42,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:42,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396478242] [2022-10-16 15:27:42,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:42,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:42,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:42,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:42,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:42,363 INFO L87 Difference]: Start difference. First operand 64049 states and 107521 transitions. Second operand has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 15:27:44,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:44,626 INFO L93 Difference]: Finished difference Result 105779 states and 178083 transitions. [2022-10-16 15:27:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:44,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 240 [2022-10-16 15:27:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:44,832 INFO L225 Difference]: With dead ends: 105779 [2022-10-16 15:27:44,833 INFO L226 Difference]: Without dead ends: 105776 [2022-10-16 15:27:44,858 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 15:27:44,861 INFO L413 NwaCegarLoop]: 1337 mSDtfsCounter, 1154 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:44,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 1681 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:27:44,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105776 states. [2022-10-16 15:27:47,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105776 to 105732. [2022-10-16 15:27:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105732 states, 105684 states have (on average 1.6781253548313841) internal successors, (177351), 105731 states have internal predecessors, (177351), 0 states have call successors, (0), 0 states 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 15:27:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105732 states to 105732 states and 177351 transitions. [2022-10-16 15:27:48,543 INFO L78 Accepts]: Start accepts. Automaton has 105732 states and 177351 transitions. Word has length 240 [2022-10-16 15:27:48,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:48,544 INFO L495 AbstractCegarLoop]: Abstraction has 105732 states and 177351 transitions. [2022-10-16 15:27:48,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 15:27:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 105732 states and 177351 transitions. [2022-10-16 15:27:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-10-16 15:27:48,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:48,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:48,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:27:48,551 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:48,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:48,552 INFO L85 PathProgramCache]: Analyzing trace with hash 479888203, now seen corresponding path program 1 times [2022-10-16 15:27:48,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:48,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470341058] [2022-10-16 15:27:48,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:48,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:49,367 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 15:27:49,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:49,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470341058] [2022-10-16 15:27:49,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470341058] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:49,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:49,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:27:49,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383368278] [2022-10-16 15:27:49,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:49,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:49,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:49,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:49,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:49,370 INFO L87 Difference]: Start difference. First operand 105732 states and 177351 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 15:27:52,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:27:52,608 INFO L93 Difference]: Finished difference Result 222499 states and 373361 transitions. [2022-10-16 15:27:52,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:27:52,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 240 [2022-10-16 15:27:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:27:53,142 INFO L225 Difference]: With dead ends: 222499 [2022-10-16 15:27:53,143 INFO L226 Difference]: Without dead ends: 157276 [2022-10-16 15:27:53,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:53,216 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 386 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 3058 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:27:53,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 3058 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:27:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157276 states. [2022-10-16 15:27:57,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157276 to 157228. [2022-10-16 15:27:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157228 states, 157180 states have (on average 1.6747868685583407) internal successors, (263243), 157227 states have internal predecessors, (263243), 0 states have call successors, (0), 0 states 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 15:27:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157228 states to 157228 states and 263243 transitions. [2022-10-16 15:27:58,275 INFO L78 Accepts]: Start accepts. Automaton has 157228 states and 263243 transitions. Word has length 240 [2022-10-16 15:27:58,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:27:58,276 INFO L495 AbstractCegarLoop]: Abstraction has 157228 states and 263243 transitions. [2022-10-16 15:27:58,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 15:27:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 157228 states and 263243 transitions. [2022-10-16 15:27:58,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-16 15:27:58,279 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:27:58,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:58,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:27:58,280 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:27:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:27:58,280 INFO L85 PathProgramCache]: Analyzing trace with hash -113434370, now seen corresponding path program 1 times [2022-10-16 15:27:58,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:27:58,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188239741] [2022-10-16 15:27:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:27:58,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:27:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:27:58,597 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 15:27:58,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:27:58,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188239741] [2022-10-16 15:27:58,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188239741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:27:58,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:27:58,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:27:58,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178208732] [2022-10-16 15:27:58,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:27:58,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:27:58,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:27:58,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:27:58,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:27:58,601 INFO L87 Difference]: Start difference. First operand 157228 states and 263243 transitions. Second operand has 3 states, 2 states have (on average 121.0) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states 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 15:28:03,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:28:03,085 INFO L93 Difference]: Finished difference Result 245028 states and 407809 transitions. [2022-10-16 15:28:03,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:28:03,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 121.0) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-10-16 15:28:03,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:28:03,786 INFO L225 Difference]: With dead ends: 245028 [2022-10-16 15:28:03,786 INFO L226 Difference]: Without dead ends: 245027 [2022-10-16 15:28:03,854 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 15:28:03,854 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 1158 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:28:03,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1610 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:28:04,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245027 states. [2022-10-16 15:28:10,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245027 to 244714. [2022-10-16 15:28:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244714 states, 244666 states have (on average 1.6618287788250103) internal successors, (406593), 244713 states have internal predecessors, (406593), 0 states have call successors, (0), 0 states 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 15:28:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244714 states to 244714 states and 406593 transitions. [2022-10-16 15:28:11,711 INFO L78 Accepts]: Start accepts. Automaton has 244714 states and 406593 transitions. Word has length 242 [2022-10-16 15:28:11,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:28:11,712 INFO L495 AbstractCegarLoop]: Abstraction has 244714 states and 406593 transitions. [2022-10-16 15:28:11,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 121.0) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states 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 15:28:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 244714 states and 406593 transitions. [2022-10-16 15:28:11,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-16 15:28:11,717 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:28:11,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:11,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:28:11,717 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:28:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:28:11,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1069476386, now seen corresponding path program 1 times [2022-10-16 15:28:11,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:28:11,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019007141] [2022-10-16 15:28:11,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:28:11,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:28:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:28:11,903 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 15:28:11,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:28:11,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019007141] [2022-10-16 15:28:11,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019007141] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:28:11,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:28:11,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:28:11,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952035836] [2022-10-16 15:28:11,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:28:11,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:28:11,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:28:11,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:28:11,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:28:11,907 INFO L87 Difference]: Start difference. First operand 244714 states and 406593 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states 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 15:28:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:28:20,165 INFO L93 Difference]: Finished difference Result 509057 states and 845011 transitions. [2022-10-16 15:28:20,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:28:20,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-10-16 15:28:20,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:28:20,975 INFO L225 Difference]: With dead ends: 509057 [2022-10-16 15:28:20,975 INFO L226 Difference]: Without dead ends: 358444 [2022-10-16 15:28:21,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:28:21,156 INFO L413 NwaCegarLoop]: 1672 mSDtfsCounter, 378 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 3027 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:28:21,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 3027 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:28:21,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358444 states. [2022-10-16 15:28:31,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358444 to 358396. [2022-10-16 15:28:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358396 states, 358348 states have (on average 1.6552289952783328) internal successors, (593148), 358395 states have internal predecessors, (593148), 0 states have call successors, (0), 0 states 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 15:28:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358396 states to 358396 states and 593148 transitions. [2022-10-16 15:28:33,695 INFO L78 Accepts]: Start accepts. Automaton has 358396 states and 593148 transitions. Word has length 242 [2022-10-16 15:28:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:28:33,696 INFO L495 AbstractCegarLoop]: Abstraction has 358396 states and 593148 transitions. [2022-10-16 15:28:33,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states 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 15:28:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 358396 states and 593148 transitions. [2022-10-16 15:28:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-10-16 15:28:34,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:28:34,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:34,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:28:34,447 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:28:34,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:28:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash 778505625, now seen corresponding path program 1 times [2022-10-16 15:28:34,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:28:34,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73965915] [2022-10-16 15:28:34,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:28:34,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:28:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:28:34,724 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 15:28:34,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:28:34,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73965915] [2022-10-16 15:28:34,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73965915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:28:34,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:28:34,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:28:34,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618871055] [2022-10-16 15:28:34,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:28:34,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:28:34,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:28:34,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:28:34,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:28:34,728 INFO L87 Difference]: Start difference. First operand 358396 states and 593148 transitions. Second operand has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states 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 15:28:49,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:28:49,978 INFO L93 Difference]: Finished difference Result 625595 states and 1036997 transitions. [2022-10-16 15:28:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:28:49,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 243 [2022-10-16 15:28:49,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:28:51,830 INFO L225 Difference]: With dead ends: 625595 [2022-10-16 15:28:51,831 INFO L226 Difference]: Without dead ends: 625594 [2022-10-16 15:28:52,043 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 15:28:52,047 INFO L413 NwaCegarLoop]: 1315 mSDtfsCounter, 1156 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:28:52,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 1650 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:28:52,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625594 states. [2022-10-16 15:29:10,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625594 to 625063. [2022-10-16 15:29:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625063 states, 625015 states have (on average 1.6549970800700784) internal successors, (1034398), 625062 states have internal predecessors, (1034398), 0 states have call successors, (0), 0 states 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 15:29:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625063 states to 625063 states and 1034398 transitions. [2022-10-16 15:29:16,388 INFO L78 Accepts]: Start accepts. Automaton has 625063 states and 1034398 transitions. Word has length 243 [2022-10-16 15:29:16,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:29:16,389 INFO L495 AbstractCegarLoop]: Abstraction has 625063 states and 1034398 transitions. [2022-10-16 15:29:16,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states 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 15:29:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 625063 states and 1034398 transitions. [2022-10-16 15:29:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-10-16 15:29:16,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:29:16,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:16,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:29:16,415 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 15:29:16,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:29:16,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1794722681, now seen corresponding path program 1 times [2022-10-16 15:29:16,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:29:16,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895431190] [2022-10-16 15:29:16,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:29:16,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:29:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:29:16,601 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 15:29:16,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:29:16,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895431190] [2022-10-16 15:29:16,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895431190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:29:16,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:29:16,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:29:16,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066076017] [2022-10-16 15:29:16,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:29:16,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:29:16,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:29:16,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:29:16,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:29:16,605 INFO L87 Difference]: Start difference. First operand 625063 states and 1034398 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states 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 15:29:40,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:29:40,196 INFO L93 Difference]: Finished difference Result 1256890 states and 2077868 transitions. [2022-10-16 15:29:40,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:29:40,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 244 [2022-10-16 15:29:40,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:29:43,313 INFO L225 Difference]: With dead ends: 1256890 [2022-10-16 15:29:43,314 INFO L226 Difference]: Without dead ends: 894348 [2022-10-16 15:29:44,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:29:44,170 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 370 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 2997 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:29:44,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 2997 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:29:45,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894348 states.