/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_floodmax.4.1.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:03:31,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:03:31,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:03:31,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:03:31,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:03:31,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:03:31,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:03:31,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:03:31,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:03:31,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:03:31,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:03:31,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:03:31,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:03:31,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:03:31,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:03:31,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:03:31,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:03:31,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:03:31,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:03:31,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:03:31,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:03:31,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:03:31,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:03:31,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:03:31,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 15:03:31,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 15:03:31,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 15:03:31,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 15:03:31,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 15:03:31,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 15:03:31,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 15:03:31,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 15:03:31,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 15:03:31,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 15:03:31,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 15:03:31,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 15:03:31,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 15:03:31,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 15:03:31,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:03:31,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:03:31,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:03:31,372 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 15:03:31,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:03:31,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:03:31,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:03:31,401 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:03:31,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:03:31,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:03:31,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:03:31,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:03:31,406 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:03:31,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:03:31,407 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:03:31,407 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:03:31,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:03:31,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:03:31,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:03:31,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:03:31,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:03:31,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:03:31,409 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:03:31,409 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:03:31,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:03:31,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:03:31,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:03:31,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:03:31,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:03:31,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:03:31,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:03:31,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:03:31,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:03:31,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:03:31,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:03:31,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:03:31,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:03:31,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:03:31,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:03:31,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:03:31,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:03:31,892 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:03:31,893 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:03:31,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-10-16 15:03:31,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b1a0ed9/93ab73d174ab4ff9bc42bc4d188c2b6a/FLAG2063fdbeb [2022-10-16 15:03:32,664 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:03:32,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-10-16 15:03:32,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b1a0ed9/93ab73d174ab4ff9bc42bc4d188c2b6a/FLAG2063fdbeb [2022-10-16 15:03:32,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b1a0ed9/93ab73d174ab4ff9bc42bc4d188c2b6a [2022-10-16 15:03:32,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:03:32,983 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:03:32,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:03:32,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:03:32,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:03:32,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:03:32" (1/1) ... [2022-10-16 15:03:32,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec6ea19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:32, skipping insertion in model container [2022-10-16 15:03:32,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:03:32" (1/1) ... [2022-10-16 15:03:33,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:03:33,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:03:33,423 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_floodmax.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2022-10-16 15:03:33,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:03:33,447 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:03:33,600 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_floodmax.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2022-10-16 15:03:33,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:03:33,627 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:03:33,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33 WrapperNode [2022-10-16 15:03:33,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:03:33,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:03:33,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:03:33,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:03:33,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,750 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 975 [2022-10-16 15:03:33,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:03:33,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:03:33,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:03:33,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:03:33,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,816 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:03:33,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:03:33,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:03:33,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:03:33,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (1/1) ... [2022-10-16 15:03:33,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:03:33,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:03:33,949 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 15:03:33,977 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 15:03:34,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:03:34,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:03:34,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:03:34,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:03:34,202 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:03:34,205 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:03:35,406 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:03:35,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:03:35,419 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:03:35,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:03:35 BoogieIcfgContainer [2022-10-16 15:03:35,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:03:35,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:03:35,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:03:35,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:03:35,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:03:32" (1/3) ... [2022-10-16 15:03:35,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b5e8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:03:35, skipping insertion in model container [2022-10-16 15:03:35,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:03:33" (2/3) ... [2022-10-16 15:03:35,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b5e8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:03:35, skipping insertion in model container [2022-10-16 15:03:35,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:03:35" (3/3) ... [2022-10-16 15:03:35,434 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-10-16 15:03:35,455 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:03:35,456 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-16 15:03:35,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:03:35,580 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;@3de35a58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:03:35,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-16 15:03:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 387 states, 338 states have (on average 1.8254437869822486) internal successors, (617), 386 states have internal predecessors, (617), 0 states have call successors, (0), 0 states 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 15:03:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:03:35,603 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:35,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:35,604 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:35,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:35,612 INFO L85 PathProgramCache]: Analyzing trace with hash -350643622, now seen corresponding path program 1 times [2022-10-16 15:03:35,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:35,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851369643] [2022-10-16 15:03:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:35,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:03:36,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:36,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851369643] [2022-10-16 15:03:36,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851369643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:36,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:36,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:36,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186701162] [2022-10-16 15:03:36,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:36,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:03:36,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:36,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:03:36,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:03:36,117 INFO L87 Difference]: Start difference. First operand has 387 states, 338 states have (on average 1.8254437869822486) internal successors, (617), 386 states have internal predecessors, (617), 0 states have call successors, (0), 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 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:36,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:36,212 INFO L93 Difference]: Finished difference Result 595 states and 904 transitions. [2022-10-16 15:03:36,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:03:36,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 15:03:36,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:36,234 INFO L225 Difference]: With dead ends: 595 [2022-10-16 15:03:36,234 INFO L226 Difference]: Without dead ends: 382 [2022-10-16 15:03:36,240 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 15:03:36,247 INFO L413 NwaCegarLoop]: 614 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, 614 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 15:03:36,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:36,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-10-16 15:03:36,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2022-10-16 15:03:36,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 334 states have (on average 1.8233532934131738) internal successors, (609), 381 states have internal predecessors, (609), 0 states have call successors, (0), 0 states 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 15:03:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 609 transitions. [2022-10-16 15:03:36,320 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 609 transitions. Word has length 58 [2022-10-16 15:03:36,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:36,321 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 609 transitions. [2022-10-16 15:03:36,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 609 transitions. [2022-10-16 15:03:36,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:03:36,325 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:36,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:36,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:03:36,326 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:36,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:36,327 INFO L85 PathProgramCache]: Analyzing trace with hash -348796580, now seen corresponding path program 1 times [2022-10-16 15:03:36,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:36,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065572169] [2022-10-16 15:03:36,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:36,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:36,839 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 15:03:36,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:36,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065572169] [2022-10-16 15:03:36,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065572169] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:36,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:36,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:03:36,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745904933] [2022-10-16 15:03:36,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:36,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:03:36,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:36,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:03:36,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:03:36,848 INFO L87 Difference]: Start difference. First operand 382 states and 609 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:36,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:36,967 INFO L93 Difference]: Finished difference Result 588 states and 892 transitions. [2022-10-16 15:03:36,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:03:36,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 15:03:36,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:36,976 INFO L225 Difference]: With dead ends: 588 [2022-10-16 15:03:36,976 INFO L226 Difference]: Without dead ends: 382 [2022-10-16 15:03:36,986 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 15:03:36,988 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 3 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:36,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2395 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:36,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-10-16 15:03:37,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2022-10-16 15:03:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 334 states have (on average 1.7335329341317365) internal successors, (579), 381 states have internal predecessors, (579), 0 states have call successors, (0), 0 states 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 15:03:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 579 transitions. [2022-10-16 15:03:37,032 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 579 transitions. Word has length 58 [2022-10-16 15:03:37,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:37,033 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 579 transitions. [2022-10-16 15:03:37,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 579 transitions. [2022-10-16 15:03:37,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 15:03:37,041 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:37,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:37,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:03:37,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:37,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:37,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2113261666, now seen corresponding path program 1 times [2022-10-16 15:03:37,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:37,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983923670] [2022-10-16 15:03:37,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:37,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:37,278 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 15:03:37,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:37,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983923670] [2022-10-16 15:03:37,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983923670] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:37,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:37,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:37,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264462414] [2022-10-16 15:03:37,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:37,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:37,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:37,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:37,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:37,285 INFO L87 Difference]: Start difference. First operand 382 states and 579 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:37,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:37,329 INFO L93 Difference]: Finished difference Result 762 states and 1098 transitions. [2022-10-16 15:03:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:37,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 15:03:37,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:37,336 INFO L225 Difference]: With dead ends: 762 [2022-10-16 15:03:37,336 INFO L226 Difference]: Without dead ends: 560 [2022-10-16 15:03:37,340 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 15:03:37,347 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 255 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1363 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 15:03:37,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1363 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:37,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-10-16 15:03:37,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 514. [2022-10-16 15:03:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 466 states have (on average 1.7553648068669527) internal successors, (818), 513 states have internal predecessors, (818), 0 states have call successors, (0), 0 states 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 15:03:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 818 transitions. [2022-10-16 15:03:37,384 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 818 transitions. Word has length 87 [2022-10-16 15:03:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:37,386 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 818 transitions. [2022-10-16 15:03:37,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:37,387 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 818 transitions. [2022-10-16 15:03:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:03:37,394 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:37,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:37,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:03:37,395 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:37,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:37,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1898856045, now seen corresponding path program 1 times [2022-10-16 15:03:37,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:37,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136728138] [2022-10-16 15:03:37,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:37,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:37,596 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 15:03:37,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:37,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136728138] [2022-10-16 15:03:37,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136728138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:37,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:37,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:37,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316628431] [2022-10-16 15:03:37,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:37,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:37,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:37,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:37,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:37,599 INFO L87 Difference]: Start difference. First operand 514 states and 818 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:37,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:37,657 INFO L93 Difference]: Finished difference Result 1015 states and 1572 transitions. [2022-10-16 15:03:37,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:37,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 15:03:37,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:37,662 INFO L225 Difference]: With dead ends: 1015 [2022-10-16 15:03:37,662 INFO L226 Difference]: Without dead ends: 681 [2022-10-16 15:03:37,663 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 15:03:37,664 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 225 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:37,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 1108 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2022-10-16 15:03:37,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 646. [2022-10-16 15:03:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 598 states have (on average 1.7491638795986622) internal successors, (1046), 645 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states 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 15:03:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1046 transitions. [2022-10-16 15:03:37,690 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1046 transitions. Word has length 91 [2022-10-16 15:03:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:37,690 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 1046 transitions. [2022-10-16 15:03:37,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1046 transitions. [2022-10-16 15:03:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:03:37,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:37,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:37,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:03:37,693 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:37,693 INFO L85 PathProgramCache]: Analyzing trace with hash -987967597, now seen corresponding path program 1 times [2022-10-16 15:03:37,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:37,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422110078] [2022-10-16 15:03:37,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:37,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:37,816 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 15:03:37,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:37,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422110078] [2022-10-16 15:03:37,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422110078] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:37,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:37,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:37,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339092927] [2022-10-16 15:03:37,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:37,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:37,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:37,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:37,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:37,821 INFO L87 Difference]: Start difference. First operand 646 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:37,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:37,892 INFO L93 Difference]: Finished difference Result 1506 states and 2417 transitions. [2022-10-16 15:03:37,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:37,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:03:37,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:37,899 INFO L225 Difference]: With dead ends: 1506 [2022-10-16 15:03:37,899 INFO L226 Difference]: Without dead ends: 1042 [2022-10-16 15:03:37,900 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 15:03:37,901 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 248 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 1345 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 15:03:37,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 1345 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:37,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2022-10-16 15:03:37,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 996. [2022-10-16 15:03:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 948 states have (on average 1.761603375527426) internal successors, (1670), 995 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states 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 15:03:37,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1670 transitions. [2022-10-16 15:03:37,952 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1670 transitions. Word has length 94 [2022-10-16 15:03:37,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:37,952 INFO L495 AbstractCegarLoop]: Abstraction has 996 states and 1670 transitions. [2022-10-16 15:03:37,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:37,953 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1670 transitions. [2022-10-16 15:03:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 15:03:37,960 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:37,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:37,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:03:37,961 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:37,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:37,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1450697054, now seen corresponding path program 1 times [2022-10-16 15:03:37,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:37,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352409678] [2022-10-16 15:03:37,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:37,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:38,127 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 15:03:38,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:38,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352409678] [2022-10-16 15:03:38,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352409678] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:38,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:38,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:38,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752951668] [2022-10-16 15:03:38,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:38,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:38,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:38,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:38,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:38,130 INFO L87 Difference]: Start difference. First operand 996 states and 1670 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:38,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:38,196 INFO L93 Difference]: Finished difference Result 2258 states and 3750 transitions. [2022-10-16 15:03:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:38,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 15:03:38,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:38,206 INFO L225 Difference]: With dead ends: 2258 [2022-10-16 15:03:38,207 INFO L226 Difference]: Without dead ends: 1444 [2022-10-16 15:03:38,208 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 15:03:38,211 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 250 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:38,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1122 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:38,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2022-10-16 15:03:38,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1395. [2022-10-16 15:03:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 1347 states have (on average 1.7594654788418709) internal successors, (2370), 1394 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states 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 15:03:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 2370 transitions. [2022-10-16 15:03:38,263 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 2370 transitions. Word has length 98 [2022-10-16 15:03:38,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:38,263 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 2370 transitions. [2022-10-16 15:03:38,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2370 transitions. [2022-10-16 15:03:38,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:03:38,265 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:38,265 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] [2022-10-16 15:03:38,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:03:38,267 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:38,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:38,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1745921609, now seen corresponding path program 1 times [2022-10-16 15:03:38,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:38,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202273031] [2022-10-16 15:03:38,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:38,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:38,385 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 15:03:38,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:38,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202273031] [2022-10-16 15:03:38,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202273031] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:38,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:38,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:38,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956852862] [2022-10-16 15:03:38,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:38,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:38,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:38,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:38,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:38,388 INFO L87 Difference]: Start difference. First operand 1395 states and 2370 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 15:03:38,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:38,463 INFO L93 Difference]: Finished difference Result 3595 states and 6117 transitions. [2022-10-16 15:03:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:38,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-16 15:03:38,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:38,478 INFO L225 Difference]: With dead ends: 3595 [2022-10-16 15:03:38,478 INFO L226 Difference]: Without dead ends: 2395 [2022-10-16 15:03:38,481 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 15:03:38,483 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 241 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1327 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 15:03:38,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1327 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:38,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2022-10-16 15:03:38,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2349. [2022-10-16 15:03:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2301 states have (on average 1.7640156453715776) internal successors, (4059), 2348 states have internal predecessors, (4059), 0 states have call successors, (0), 0 states 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 15:03:38,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 4059 transitions. [2022-10-16 15:03:38,600 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 4059 transitions. Word has length 101 [2022-10-16 15:03:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:38,601 INFO L495 AbstractCegarLoop]: Abstraction has 2349 states and 4059 transitions. [2022-10-16 15:03:38,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 15:03:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 4059 transitions. [2022-10-16 15:03:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:03:38,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:38,603 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] [2022-10-16 15:03:38,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:03:38,603 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:38,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:38,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1826090264, now seen corresponding path program 1 times [2022-10-16 15:03:38,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:38,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957428194] [2022-10-16 15:03:38,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:38,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:38,710 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 15:03:38,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:38,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957428194] [2022-10-16 15:03:38,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957428194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:38,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:38,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:38,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650508615] [2022-10-16 15:03:38,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:38,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:38,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:38,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:38,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:38,712 INFO L87 Difference]: Start difference. First operand 2349 states and 4059 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 15:03:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:38,818 INFO L93 Difference]: Finished difference Result 5633 states and 9712 transitions. [2022-10-16 15:03:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:38,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 15:03:38,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:38,838 INFO L225 Difference]: With dead ends: 5633 [2022-10-16 15:03:38,838 INFO L226 Difference]: Without dead ends: 3479 [2022-10-16 15:03:38,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:38,846 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 243 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:38,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1124 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2022-10-16 15:03:38,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 3424. [2022-10-16 15:03:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3424 states, 3376 states have (on average 1.7588862559241707) internal successors, (5938), 3423 states have internal predecessors, (5938), 0 states have call successors, (0), 0 states 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 15:03:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 3424 states and 5938 transitions. [2022-10-16 15:03:39,037 INFO L78 Accepts]: Start accepts. Automaton has 3424 states and 5938 transitions. Word has length 105 [2022-10-16 15:03:39,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:39,037 INFO L495 AbstractCegarLoop]: Abstraction has 3424 states and 5938 transitions. [2022-10-16 15:03:39,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 15:03:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 5938 transitions. [2022-10-16 15:03:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:03:39,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:39,041 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] [2022-10-16 15:03:39,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:03:39,042 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:39,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:39,042 INFO L85 PathProgramCache]: Analyzing trace with hash 205347614, now seen corresponding path program 1 times [2022-10-16 15:03:39,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:39,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616477784] [2022-10-16 15:03:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:39,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:39,167 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 15:03:39,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:39,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616477784] [2022-10-16 15:03:39,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616477784] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:39,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:39,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:39,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193385481] [2022-10-16 15:03:39,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:39,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:39,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:39,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:39,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:39,171 INFO L87 Difference]: Start difference. First operand 3424 states and 5938 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 15:03:39,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:39,387 INFO L93 Difference]: Finished difference Result 9260 states and 16081 transitions. [2022-10-16 15:03:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:39,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 15:03:39,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:39,430 INFO L225 Difference]: With dead ends: 9260 [2022-10-16 15:03:39,431 INFO L226 Difference]: Without dead ends: 6044 [2022-10-16 15:03:39,437 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 15:03:39,438 INFO L413 NwaCegarLoop]: 758 mSDtfsCounter, 234 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1309 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 15:03:39,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1309 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:39,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6044 states. [2022-10-16 15:03:39,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6044 to 5998. [2022-10-16 15:03:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5998 states, 5950 states have (on average 1.757310924369748) internal successors, (10456), 5997 states have internal predecessors, (10456), 0 states have call successors, (0), 0 states 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 15:03:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5998 states to 5998 states and 10456 transitions. [2022-10-16 15:03:39,820 INFO L78 Accepts]: Start accepts. Automaton has 5998 states and 10456 transitions. Word has length 108 [2022-10-16 15:03:39,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:39,820 INFO L495 AbstractCegarLoop]: Abstraction has 5998 states and 10456 transitions. [2022-10-16 15:03:39,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 15:03:39,821 INFO L276 IsEmpty]: Start isEmpty. Operand 5998 states and 10456 transitions. [2022-10-16 15:03:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:03:39,822 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:39,822 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] [2022-10-16 15:03:39,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:03:39,823 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:39,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:39,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1532389018, now seen corresponding path program 1 times [2022-10-16 15:03:39,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:39,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076857792] [2022-10-16 15:03:39,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:39,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:39,938 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 15:03:39,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:39,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076857792] [2022-10-16 15:03:39,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076857792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:39,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:39,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:03:39,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785487044] [2022-10-16 15:03:39,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:39,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:39,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:39,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:39,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:39,941 INFO L87 Difference]: Start difference. First operand 5998 states and 10456 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 15:03:40,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:40,200 INFO L93 Difference]: Finished difference Result 14772 states and 25730 transitions. [2022-10-16 15:03:40,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:40,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 15:03:40,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:40,249 INFO L225 Difference]: With dead ends: 14772 [2022-10-16 15:03:40,249 INFO L226 Difference]: Without dead ends: 8982 [2022-10-16 15:03:40,260 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 15:03:40,261 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 236 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:40,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1126 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:03:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8982 states. [2022-10-16 15:03:40,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8982 to 8909. [2022-10-16 15:03:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8909 states, 8861 states have (on average 1.7499153594402437) internal successors, (15506), 8908 states have internal predecessors, (15506), 0 states have call successors, (0), 0 states 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 15:03:40,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8909 states to 8909 states and 15506 transitions. [2022-10-16 15:03:40,700 INFO L78 Accepts]: Start accepts. Automaton has 8909 states and 15506 transitions. Word has length 111 [2022-10-16 15:03:40,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:40,701 INFO L495 AbstractCegarLoop]: Abstraction has 8909 states and 15506 transitions. [2022-10-16 15:03:40,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 15:03:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 8909 states and 15506 transitions. [2022-10-16 15:03:40,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:03:40,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:40,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:40,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:03:40,704 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:40,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:40,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1555071731, now seen corresponding path program 1 times [2022-10-16 15:03:40,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:40,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212841568] [2022-10-16 15:03:40,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:40,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:40,877 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 15:03:40,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:40,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212841568] [2022-10-16 15:03:40,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212841568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:40,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:40,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:40,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835588627] [2022-10-16 15:03:40,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:40,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:40,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:40,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:40,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:40,880 INFO L87 Difference]: Start difference. First operand 8909 states and 15506 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 15:03:41,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:41,456 INFO L93 Difference]: Finished difference Result 16706 states and 29174 transitions. [2022-10-16 15:03:41,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:41,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 15:03:41,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:41,507 INFO L225 Difference]: With dead ends: 16706 [2022-10-16 15:03:41,508 INFO L226 Difference]: Without dead ends: 16703 [2022-10-16 15:03:41,516 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 15:03:41,517 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 461 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:41,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 749 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:41,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16703 states. [2022-10-16 15:03:42,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16703 to 16661. [2022-10-16 15:03:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16661 states, 16613 states have (on average 1.7430927586829592) internal successors, (28958), 16660 states have internal predecessors, (28958), 0 states have call successors, (0), 0 states 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 15:03:42,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16661 states to 16661 states and 28958 transitions. [2022-10-16 15:03:42,334 INFO L78 Accepts]: Start accepts. Automaton has 16661 states and 28958 transitions. Word has length 114 [2022-10-16 15:03:42,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:42,334 INFO L495 AbstractCegarLoop]: Abstraction has 16661 states and 28958 transitions. [2022-10-16 15:03:42,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 15:03:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 16661 states and 28958 transitions. [2022-10-16 15:03:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 15:03:42,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:42,336 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] [2022-10-16 15:03:42,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:03:42,337 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:42,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:42,338 INFO L85 PathProgramCache]: Analyzing trace with hash 962584788, now seen corresponding path program 1 times [2022-10-16 15:03:42,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:42,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697800833] [2022-10-16 15:03:42,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:42,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:42,499 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 15:03:42,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:42,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697800833] [2022-10-16 15:03:42,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697800833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:42,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:42,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:42,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330999640] [2022-10-16 15:03:42,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:42,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:42,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:42,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:42,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:42,502 INFO L87 Difference]: Start difference. First operand 16661 states and 28958 transitions. Second operand has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states 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 15:03:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:43,100 INFO L93 Difference]: Finished difference Result 16706 states and 28958 transitions. [2022-10-16 15:03:43,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:43,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-16 15:03:43,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:43,146 INFO L225 Difference]: With dead ends: 16706 [2022-10-16 15:03:43,146 INFO L226 Difference]: Without dead ends: 16703 [2022-10-16 15:03:43,154 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 15:03:43,156 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 457 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:43,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 752 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:43,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16703 states. [2022-10-16 15:03:43,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16703 to 16661. [2022-10-16 15:03:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16661 states, 16613 states have (on average 1.7300908926744116) internal successors, (28742), 16660 states have internal predecessors, (28742), 0 states have call successors, (0), 0 states 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 15:03:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16661 states to 16661 states and 28742 transitions. [2022-10-16 15:03:43,807 INFO L78 Accepts]: Start accepts. Automaton has 16661 states and 28742 transitions. Word has length 115 [2022-10-16 15:03:43,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:43,807 INFO L495 AbstractCegarLoop]: Abstraction has 16661 states and 28742 transitions. [2022-10-16 15:03:43,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states 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 15:03:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 16661 states and 28742 transitions. [2022-10-16 15:03:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 15:03:43,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:43,810 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] [2022-10-16 15:03:43,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:03:43,810 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:43,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:43,811 INFO L85 PathProgramCache]: Analyzing trace with hash -224641259, now seen corresponding path program 1 times [2022-10-16 15:03:43,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:43,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433940477] [2022-10-16 15:03:43,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:43,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:44,073 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 15:03:44,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:44,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433940477] [2022-10-16 15:03:44,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433940477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:44,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:44,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:44,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801330859] [2022-10-16 15:03:44,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:44,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:44,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:44,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:44,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:44,077 INFO L87 Difference]: Start difference. First operand 16661 states and 28742 transitions. Second operand has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states 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 15:03:44,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:44,797 INFO L93 Difference]: Finished difference Result 22442 states and 38570 transitions. [2022-10-16 15:03:44,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:44,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 15:03:44,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:44,853 INFO L225 Difference]: With dead ends: 22442 [2022-10-16 15:03:44,853 INFO L226 Difference]: Without dead ends: 22439 [2022-10-16 15:03:44,860 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 15:03:44,861 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 452 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:44,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 741 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:44,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22439 states. [2022-10-16 15:03:45,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22439 to 22403. [2022-10-16 15:03:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22403 states, 22355 states have (on average 1.7156788190561396) internal successors, (38354), 22402 states have internal predecessors, (38354), 0 states have call successors, (0), 0 states 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 15:03:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22403 states to 22403 states and 38354 transitions. [2022-10-16 15:03:45,858 INFO L78 Accepts]: Start accepts. Automaton has 22403 states and 38354 transitions. Word has length 116 [2022-10-16 15:03:45,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:45,859 INFO L495 AbstractCegarLoop]: Abstraction has 22403 states and 38354 transitions. [2022-10-16 15:03:45,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states 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 15:03:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 22403 states and 38354 transitions. [2022-10-16 15:03:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 15:03:45,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:45,861 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] [2022-10-16 15:03:45,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:03:45,861 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:45,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:45,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1626056950, now seen corresponding path program 1 times [2022-10-16 15:03:45,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:45,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411750690] [2022-10-16 15:03:45,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:45,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:46,036 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 15:03:46,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:46,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411750690] [2022-10-16 15:03:46,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411750690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:46,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:46,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:46,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894824936] [2022-10-16 15:03:46,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:46,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:46,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:46,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:46,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:46,039 INFO L87 Difference]: Start difference. First operand 22403 states and 38354 transitions. Second operand has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states 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 15:03:46,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:46,744 INFO L93 Difference]: Finished difference Result 22442 states and 38354 transitions. [2022-10-16 15:03:46,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:46,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-10-16 15:03:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:46,804 INFO L225 Difference]: With dead ends: 22442 [2022-10-16 15:03:46,804 INFO L226 Difference]: Without dead ends: 22439 [2022-10-16 15:03:46,813 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 15:03:46,814 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 448 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:46,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 744 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:46,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22439 states. [2022-10-16 15:03:47,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22439 to 22403. [2022-10-16 15:03:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22403 states, 22355 states have (on average 1.7060165511071348) internal successors, (38138), 22402 states have internal predecessors, (38138), 0 states have call successors, (0), 0 states 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 15:03:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22403 states to 22403 states and 38138 transitions. [2022-10-16 15:03:47,756 INFO L78 Accepts]: Start accepts. Automaton has 22403 states and 38138 transitions. Word has length 117 [2022-10-16 15:03:47,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:47,757 INFO L495 AbstractCegarLoop]: Abstraction has 22403 states and 38138 transitions. [2022-10-16 15:03:47,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states 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 15:03:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 22403 states and 38138 transitions. [2022-10-16 15:03:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:03:47,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:47,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:47,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:03:47,759 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:47,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:47,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1131840713, now seen corresponding path program 1 times [2022-10-16 15:03:47,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:47,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542046294] [2022-10-16 15:03:47,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:47,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:47,992 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 15:03:47,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:47,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542046294] [2022-10-16 15:03:47,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542046294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:47,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:47,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:47,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318406329] [2022-10-16 15:03:47,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:47,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:47,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:47,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:47,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:47,995 INFO L87 Difference]: Start difference. First operand 22403 states and 38138 transitions. Second operand has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:49,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:49,183 INFO L93 Difference]: Finished difference Result 34490 states and 57602 transitions. [2022-10-16 15:03:49,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:49,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 15:03:49,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:49,266 INFO L225 Difference]: With dead ends: 34490 [2022-10-16 15:03:49,266 INFO L226 Difference]: Without dead ends: 34487 [2022-10-16 15:03:49,274 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 15:03:49,275 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 455 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:49,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 687 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:03:49,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34487 states. [2022-10-16 15:03:50,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34487 to 34473. [2022-10-16 15:03:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34473 states, 34427 states have (on average 1.6569552967147878) internal successors, (57044), 34472 states have internal predecessors, (57044), 0 states have call successors, (0), 0 states 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 15:03:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34473 states to 34473 states and 57044 transitions. [2022-10-16 15:03:50,341 INFO L78 Accepts]: Start accepts. Automaton has 34473 states and 57044 transitions. Word has length 118 [2022-10-16 15:03:50,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:50,342 INFO L495 AbstractCegarLoop]: Abstraction has 34473 states and 57044 transitions. [2022-10-16 15:03:50,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 34473 states and 57044 transitions. [2022-10-16 15:03:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:03:50,343 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:50,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:50,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:03:50,344 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:50,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:50,345 INFO L85 PathProgramCache]: Analyzing trace with hash -727322344, now seen corresponding path program 1 times [2022-10-16 15:03:50,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:50,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723415925] [2022-10-16 15:03:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:50,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:50,823 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 15:03:50,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:50,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723415925] [2022-10-16 15:03:50,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723415925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:50,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:50,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:50,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340146420] [2022-10-16 15:03:50,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:50,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:50,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:50,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:50,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:50,826 INFO L87 Difference]: Start difference. First operand 34473 states and 57044 transitions. Second operand has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:52,586 INFO L93 Difference]: Finished difference Result 56361 states and 93779 transitions. [2022-10-16 15:03:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:52,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-16 15:03:52,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:52,709 INFO L225 Difference]: With dead ends: 56361 [2022-10-16 15:03:52,709 INFO L226 Difference]: Without dead ends: 56358 [2022-10-16 15:03:52,720 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 15:03:52,723 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 451 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:52,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 734 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:03:52,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56358 states. [2022-10-16 15:03:54,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56358 to 56316. [2022-10-16 15:03:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56316 states, 56270 states have (on average 1.653474320241692) internal successors, (93041), 56315 states have internal predecessors, (93041), 0 states have call successors, (0), 0 states 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 15:03:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56316 states to 56316 states and 93041 transitions. [2022-10-16 15:03:54,813 INFO L78 Accepts]: Start accepts. Automaton has 56316 states and 93041 transitions. Word has length 119 [2022-10-16 15:03:54,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:03:54,814 INFO L495 AbstractCegarLoop]: Abstraction has 56316 states and 93041 transitions. [2022-10-16 15:03:54,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 56316 states and 93041 transitions. [2022-10-16 15:03:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:03:54,815 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:03:54,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:03:54,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:03:54,816 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:03:54,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:03:54,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1122941274, now seen corresponding path program 1 times [2022-10-16 15:03:54,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:03:54,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664840943] [2022-10-16 15:03:54,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:03:54,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:03:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:03:55,159 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 15:03:55,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:03:55,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664840943] [2022-10-16 15:03:55,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664840943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:03:55,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:03:55,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:03:55,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231736962] [2022-10-16 15:03:55,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:03:55,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:03:55,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:03:55,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:03:55,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:03:55,162 INFO L87 Difference]: Start difference. First operand 56316 states and 93041 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:03:57,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:03:57,001 INFO L93 Difference]: Finished difference Result 85077 states and 139397 transitions. [2022-10-16 15:03:57,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:03:57,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 15:03:57,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:03:57,148 INFO L225 Difference]: With dead ends: 85077 [2022-10-16 15:03:57,148 INFO L226 Difference]: Without dead ends: 85076 [2022-10-16 15:03:57,169 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 15:03:57,170 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 454 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:03:57,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 677 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:03:57,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85076 states. [2022-10-16 15:03:59,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85076 to 84863. [2022-10-16 15:03:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84863 states, 84817 states have (on average 1.634295011613238) internal successors, (138616), 84862 states have internal predecessors, (138616), 0 states have call successors, (0), 0 states 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 15:04:00,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84863 states to 84863 states and 138616 transitions. [2022-10-16 15:04:00,071 INFO L78 Accepts]: Start accepts. Automaton has 84863 states and 138616 transitions. Word has length 121 [2022-10-16 15:04:00,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:00,071 INFO L495 AbstractCegarLoop]: Abstraction has 84863 states and 138616 transitions. [2022-10-16 15:04:00,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 84863 states and 138616 transitions. [2022-10-16 15:04:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:04:00,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:00,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:00,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:04:00,074 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:04:00,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:00,074 INFO L85 PathProgramCache]: Analyzing trace with hash 451442524, now seen corresponding path program 1 times [2022-10-16 15:04:00,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:00,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168428342] [2022-10-16 15:04:00,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:00,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:00,230 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 15:04:00,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:00,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168428342] [2022-10-16 15:04:00,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168428342] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:00,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:00,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:00,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332089811] [2022-10-16 15:04:00,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:00,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:00,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:00,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:00,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:00,233 INFO L87 Difference]: Start difference. First operand 84863 states and 138616 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:03,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:03,823 INFO L93 Difference]: Finished difference Result 147920 states and 242358 transitions. [2022-10-16 15:04:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:03,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 15:04:03,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:04,098 INFO L225 Difference]: With dead ends: 147920 [2022-10-16 15:04:04,099 INFO L226 Difference]: Without dead ends: 147919 [2022-10-16 15:04:04,138 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 15:04:04,139 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 452 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:04,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 709 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:04:04,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147919 states. [2022-10-16 15:04:08,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147919 to 147678. [2022-10-16 15:04:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147678 states, 147632 states have (on average 1.6345169069036523) internal successors, (241307), 147677 states have internal predecessors, (241307), 0 states have call successors, (0), 0 states 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 15:04:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147678 states to 147678 states and 241307 transitions. [2022-10-16 15:04:09,175 INFO L78 Accepts]: Start accepts. Automaton has 147678 states and 241307 transitions. Word has length 122 [2022-10-16 15:04:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:09,176 INFO L495 AbstractCegarLoop]: Abstraction has 147678 states and 241307 transitions. [2022-10-16 15:04:09,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 147678 states and 241307 transitions. [2022-10-16 15:04:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 15:04:09,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:09,178 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] [2022-10-16 15:04:09,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:04:09,178 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:04:09,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:09,179 INFO L85 PathProgramCache]: Analyzing trace with hash 44613502, now seen corresponding path program 1 times [2022-10-16 15:04:09,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:09,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262200595] [2022-10-16 15:04:09,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:09,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:09,644 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 15:04:09,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:09,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262200595] [2022-10-16 15:04:09,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262200595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:09,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:09,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:09,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022340964] [2022-10-16 15:04:09,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:09,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:09,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:09,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:09,648 INFO L87 Difference]: Start difference. First operand 147678 states and 241307 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states 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 15:04:14,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:14,907 INFO L93 Difference]: Finished difference Result 229815 states and 373861 transitions. [2022-10-16 15:04:14,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:14,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 15:04:14,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:15,461 INFO L225 Difference]: With dead ends: 229815 [2022-10-16 15:04:15,461 INFO L226 Difference]: Without dead ends: 229814 [2022-10-16 15:04:15,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:15,502 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 451 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:15,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 689 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229814 states. [2022-10-16 15:04:22,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229814 to 229221. [2022-10-16 15:04:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229221 states, 229175 states have (on average 1.623449329115305) internal successors, (372054), 229220 states have internal predecessors, (372054), 0 states have call successors, (0), 0 states 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 15:04:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229221 states to 229221 states and 372054 transitions. [2022-10-16 15:04:23,715 INFO L78 Accepts]: Start accepts. Automaton has 229221 states and 372054 transitions. Word has length 124 [2022-10-16 15:04:23,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:23,715 INFO L495 AbstractCegarLoop]: Abstraction has 229221 states and 372054 transitions. [2022-10-16 15:04:23,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states 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 15:04:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 229221 states and 372054 transitions. [2022-10-16 15:04:23,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:04:23,731 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:23,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:23,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:04:23,732 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:04:23,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:23,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1383019967, now seen corresponding path program 1 times [2022-10-16 15:04:23,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:23,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718786498] [2022-10-16 15:04:23,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:23,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:23,904 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 15:04:23,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:23,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718786498] [2022-10-16 15:04:23,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718786498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:23,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:23,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:23,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453680138] [2022-10-16 15:04:23,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:23,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:23,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:23,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:23,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:23,906 INFO L87 Difference]: Start difference. First operand 229221 states and 372054 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:33,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:33,911 INFO L93 Difference]: Finished difference Result 404256 states and 656768 transitions. [2022-10-16 15:04:33,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:33,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 15:04:33,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:34,739 INFO L225 Difference]: With dead ends: 404256 [2022-10-16 15:04:34,740 INFO L226 Difference]: Without dead ends: 404255 [2022-10-16 15:04:34,836 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 15:04:34,837 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 449 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:34,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 715 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:04:35,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404255 states. [2022-10-16 15:04:47,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404255 to 403636. [2022-10-16 15:04:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403636 states, 403590 states have (on average 1.62172254020169) internal successors, (654511), 403635 states have internal predecessors, (654511), 0 states have call successors, (0), 0 states 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 15:04:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403636 states to 403636 states and 654511 transitions. [2022-10-16 15:04:50,443 INFO L78 Accepts]: Start accepts. Automaton has 403636 states and 654511 transitions. Word has length 125 [2022-10-16 15:04:50,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:50,447 INFO L495 AbstractCegarLoop]: Abstraction has 403636 states and 654511 transitions. [2022-10-16 15:04:50,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:50,447 INFO L276 IsEmpty]: Start isEmpty. Operand 403636 states and 654511 transitions. [2022-10-16 15:04:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:04:50,448 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:50,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:50,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:04:50,449 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:04:50,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:50,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1140990115, now seen corresponding path program 1 times [2022-10-16 15:04:50,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:50,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765163240] [2022-10-16 15:04:50,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:50,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:51,368 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 15:04:51,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:51,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765163240] [2022-10-16 15:04:51,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765163240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:51,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:51,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:04:51,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718030729] [2022-10-16 15:04:51,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:51,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:04:51,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:51,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:04:51,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:04:51,371 INFO L87 Difference]: Start difference. First operand 403636 states and 654511 transitions. Second operand has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:14,130 INFO L93 Difference]: Finished difference Result 1085068 states and 1766003 transitions. [2022-10-16 15:05:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 15:05:14,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 15:05:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:16,913 INFO L225 Difference]: With dead ends: 1085068 [2022-10-16 15:05:16,913 INFO L226 Difference]: Without dead ends: 681653 [2022-10-16 15:05:17,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 15:05:17,671 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 2134 mSDsluCounter, 3995 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2134 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:17,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2134 Valid, 4542 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:05:18,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681653 states. [2022-10-16 15:05:39,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681653 to 517068. [2022-10-16 15:05:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517068 states, 517022 states have (on average 1.6181709869212528) internal successors, (836630), 517067 states have internal predecessors, (836630), 0 states have call successors, (0), 0 states 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 15:05:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517068 states to 517068 states and 836630 transitions. [2022-10-16 15:05:43,430 INFO L78 Accepts]: Start accepts. Automaton has 517068 states and 836630 transitions. Word has length 125 [2022-10-16 15:05:43,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:43,431 INFO L495 AbstractCegarLoop]: Abstraction has 517068 states and 836630 transitions. [2022-10-16 15:05:43,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 517068 states and 836630 transitions. [2022-10-16 15:05:43,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:05:43,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:43,432 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] [2022-10-16 15:05:43,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:05:43,433 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:05:43,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:43,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1937338881, now seen corresponding path program 1 times [2022-10-16 15:05:43,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:43,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184492824] [2022-10-16 15:05:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:43,667 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 15:05:43,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:43,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184492824] [2022-10-16 15:05:43,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184492824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:43,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:43,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:05:43,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692085029] [2022-10-16 15:05:43,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:43,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:43,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:43,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:43,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:43,670 INFO L87 Difference]: Start difference. First operand 517068 states and 836630 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states 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 15:06:06,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:06:06,929 INFO L93 Difference]: Finished difference Result 848149 states and 1369486 transitions. [2022-10-16 15:06:06,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:06:06,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-16 15:06:06,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:06:09,353 INFO L225 Difference]: With dead ends: 848149 [2022-10-16 15:06:09,353 INFO L226 Difference]: Without dead ends: 848148 [2022-10-16 15:06:09,652 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 15:06:09,654 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 448 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:06:09,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 713 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:06:10,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848148 states. [2022-10-16 15:06:44,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848148 to 845732.