/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:04:30,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:04:30,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:04:30,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:04:30,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:04:30,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:04:30,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:04:30,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:04:30,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:04:30,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:04:30,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:04:30,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:04:30,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:04:30,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:04:30,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:04:30,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:04:30,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:04:30,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:04:30,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:04:30,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:04:30,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:04:30,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:04:30,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:04:30,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:04:30,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:04:30,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:04:30,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:04:30,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:04:30,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:04:30,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:04:30,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:04:30,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:04:30,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:04:30,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:04:30,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:04:30,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:04:30,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:04:30,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:04:30,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:04:30,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:04:30,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:04:30,420 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 [2022-10-15 22:04:30,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:04:30,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:04:30,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:04:30,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:04:30,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:04:30,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:04:30,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:04:30,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:04:30,480 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:04:30,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:04:30,482 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:04:30,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:04:30,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:04:30,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:04:30,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:04:30,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:04:30,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:04:30,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:04:30,483 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:04:30,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:04:30,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:04:30,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:04:30,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:04:30,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:04:30,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:04:30,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:04:30,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:04:30,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:04:30,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:04:30,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:04:30,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:04:30,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:04:30,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:04:30,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:04:30,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:04:30,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:04:30,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:04:30,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:04:30,950 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:04:30,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 22:04:31,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea8f1a9e/bef13f3d5e944c49b05401c2fb320d9b/FLAG7a7c7561c [2022-10-15 22:04:31,774 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:04:31,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 22:04:31,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea8f1a9e/bef13f3d5e944c49b05401c2fb320d9b/FLAG7a7c7561c [2022-10-15 22:04:32,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea8f1a9e/bef13f3d5e944c49b05401c2fb320d9b [2022-10-15 22:04:32,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:04:32,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:04:32,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:04:32,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:04:32,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:04:32,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c08fd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32, skipping insertion in model container [2022-10-15 22:04:32,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:04:32,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:04:32,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[9863,9876] [2022-10-15 22:04:32,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:04:32,569 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:04:32,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[9863,9876] [2022-10-15 22:04:32,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:04:32,741 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:04:32,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32 WrapperNode [2022-10-15 22:04:32,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:04:32,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:04:32,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:04:32,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:04:32,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,888 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 953 [2022-10-15 22:04:32,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:04:32,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:04:32,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:04:32,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:04:32,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,940 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:04:32,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:04:32,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:04:32,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:04:32,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (1/1) ... [2022-10-15 22:04:32,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:04:32,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:04:33,016 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) [2022-10-15 22:04:33,039 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 [2022-10-15 22:04:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:04:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:04:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:04:33,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:04:33,287 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:04:33,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:04:34,475 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:04:34,497 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:04:34,498 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:04:34,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:04:34 BoogieIcfgContainer [2022-10-15 22:04:34,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:04:34,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:04:34,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:04:34,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:04:34,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:04:32" (1/3) ... [2022-10-15 22:04:34,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8e6b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:04:34, skipping insertion in model container [2022-10-15 22:04:34,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:04:32" (2/3) ... [2022-10-15 22:04:34,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8e6b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:04:34, skipping insertion in model container [2022-10-15 22:04:34,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:04:34" (3/3) ... [2022-10-15 22:04:34,516 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-15 22:04:34,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:04:34,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2022-10-15 22:04:34,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:04:34,657 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;@25b5f8bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:04:34,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2022-10-15 22:04:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 293 states have (on average 1.8361774744027304) internal successors, (538), 371 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:04:34,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:34,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:34,703 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:34,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:34,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1025206747, now seen corresponding path program 1 times [2022-10-15 22:04:34,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:34,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630983773] [2022-10-15 22:04:34,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:34,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:35,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:35,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630983773] [2022-10-15 22:04:35,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630983773] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:35,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:35,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:04:35,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576736535] [2022-10-15 22:04:35,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:35,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:04:35,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:35,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:04:35,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:04:35,398 INFO L87 Difference]: Start difference. First operand has 372 states, 293 states have (on average 1.8361774744027304) internal successors, (538), 371 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:35,710 INFO L93 Difference]: Finished difference Result 585 states and 831 transitions. [2022-10-15 22:04:35,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:04:35,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:04:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:35,731 INFO L225 Difference]: With dead ends: 585 [2022-10-15 22:04:35,732 INFO L226 Difference]: Without dead ends: 569 [2022-10-15 22:04:35,735 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 [2022-10-15 22:04:35,740 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 464 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:35,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 929 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:35,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2022-10-15 22:04:35,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 523. [2022-10-15 22:04:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 447 states have (on average 1.657718120805369) internal successors, (741), 522 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:35,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 741 transitions. [2022-10-15 22:04:35,828 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 741 transitions. Word has length 59 [2022-10-15 22:04:35,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:35,829 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 741 transitions. [2022-10-15 22:04:35,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 741 transitions. [2022-10-15 22:04:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:04:35,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:35,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:35,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:04:35,833 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:35,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:35,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1716638337, now seen corresponding path program 1 times [2022-10-15 22:04:35,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:35,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834361049] [2022-10-15 22:04:35,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:35,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:36,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:36,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834361049] [2022-10-15 22:04:36,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834361049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:36,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:36,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:04:36,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385928594] [2022-10-15 22:04:36,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:36,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:04:36,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:36,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:04:36,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:04:36,093 INFO L87 Difference]: Start difference. First operand 523 states and 741 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:36,326 INFO L93 Difference]: Finished difference Result 574 states and 741 transitions. [2022-10-15 22:04:36,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:04:36,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:04:36,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:36,330 INFO L225 Difference]: With dead ends: 574 [2022-10-15 22:04:36,331 INFO L226 Difference]: Without dead ends: 567 [2022-10-15 22:04:36,332 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 [2022-10-15 22:04:36,334 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 397 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:36,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 849 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:36,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-10-15 22:04:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 521. [2022-10-15 22:04:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 447 states have (on average 1.6420581655480984) internal successors, (734), 520 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 734 transitions. [2022-10-15 22:04:36,371 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 734 transitions. Word has length 60 [2022-10-15 22:04:36,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:36,372 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 734 transitions. [2022-10-15 22:04:36,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 734 transitions. [2022-10-15 22:04:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:04:36,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:36,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:36,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:04:36,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:36,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:36,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1676181149, now seen corresponding path program 1 times [2022-10-15 22:04:36,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:36,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316754500] [2022-10-15 22:04:36,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:36,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:36,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:36,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316754500] [2022-10-15 22:04:36,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316754500] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:36,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:36,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:04:36,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006079982] [2022-10-15 22:04:36,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:36,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:04:36,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:36,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:04:36,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:04:36,548 INFO L87 Difference]: Start difference. First operand 521 states and 734 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:36,749 INFO L93 Difference]: Finished difference Result 693 states and 998 transitions. [2022-10-15 22:04:36,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:04:36,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:04:36,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:36,757 INFO L225 Difference]: With dead ends: 693 [2022-10-15 22:04:36,757 INFO L226 Difference]: Without dead ends: 686 [2022-10-15 22:04:36,759 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 [2022-10-15 22:04:36,766 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 394 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:36,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 543 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:04:36,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-10-15 22:04:36,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 672. [2022-10-15 22:04:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 603 states have (on average 1.63681592039801) internal successors, (987), 671 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 987 transitions. [2022-10-15 22:04:36,818 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 987 transitions. Word has length 61 [2022-10-15 22:04:36,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:36,819 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 987 transitions. [2022-10-15 22:04:36,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 987 transitions. [2022-10-15 22:04:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:04:36,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:36,822 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] [2022-10-15 22:04:36,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:04:36,822 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:36,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:36,823 INFO L85 PathProgramCache]: Analyzing trace with hash 422008323, now seen corresponding path program 1 times [2022-10-15 22:04:36,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:36,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680017857] [2022-10-15 22:04:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:36,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:37,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:37,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680017857] [2022-10-15 22:04:37,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680017857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:37,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:37,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:04:37,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164434863] [2022-10-15 22:04:37,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:37,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:04:37,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:37,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:04:37,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:04:37,020 INFO L87 Difference]: Start difference. First operand 672 states and 987 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:37,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:37,267 INFO L93 Difference]: Finished difference Result 996 states and 1472 transitions. [2022-10-15 22:04:37,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:04:37,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-15 22:04:37,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:37,273 INFO L225 Difference]: With dead ends: 996 [2022-10-15 22:04:37,273 INFO L226 Difference]: Without dead ends: 989 [2022-10-15 22:04:37,275 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 [2022-10-15 22:04:37,276 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 382 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:37,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 794 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:37,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-10-15 22:04:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 951. [2022-10-15 22:04:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 884 states have (on average 1.6515837104072397) internal successors, (1460), 950 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1460 transitions. [2022-10-15 22:04:37,337 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1460 transitions. Word has length 62 [2022-10-15 22:04:37,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:37,338 INFO L495 AbstractCegarLoop]: Abstraction has 951 states and 1460 transitions. [2022-10-15 22:04:37,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1460 transitions. [2022-10-15 22:04:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:04:37,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:37,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:37,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:04:37,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:37,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:37,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1823080869, now seen corresponding path program 1 times [2022-10-15 22:04:37,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:37,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375225909] [2022-10-15 22:04:37,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:37,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:37,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:37,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375225909] [2022-10-15 22:04:37,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375225909] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:37,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:37,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:37,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119431468] [2022-10-15 22:04:37,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:37,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:37,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:37,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:37,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:37,478 INFO L87 Difference]: Start difference. First operand 951 states and 1460 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:37,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:37,815 INFO L93 Difference]: Finished difference Result 1326 states and 2031 transitions. [2022-10-15 22:04:37,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:37,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:04:37,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:37,824 INFO L225 Difference]: With dead ends: 1326 [2022-10-15 22:04:37,824 INFO L226 Difference]: Without dead ends: 1325 [2022-10-15 22:04:37,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:37,827 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 481 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:37,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1357 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:37,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-10-15 22:04:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 950. [2022-10-15 22:04:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 884 states have (on average 1.6504524886877827) internal successors, (1459), 949 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1459 transitions. [2022-10-15 22:04:37,904 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1459 transitions. Word has length 64 [2022-10-15 22:04:37,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:37,905 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1459 transitions. [2022-10-15 22:04:37,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1459 transitions. [2022-10-15 22:04:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:04:37,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:37,906 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] [2022-10-15 22:04:37,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:04:37,914 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:37,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:37,915 INFO L85 PathProgramCache]: Analyzing trace with hash 680932354, now seen corresponding path program 1 times [2022-10-15 22:04:37,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:37,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258493189] [2022-10-15 22:04:37,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:37,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:38,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:38,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258493189] [2022-10-15 22:04:38,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258493189] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:38,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:38,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:38,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121380061] [2022-10-15 22:04:38,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:38,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:38,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:38,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:38,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:38,019 INFO L87 Difference]: Start difference. First operand 950 states and 1459 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:38,334 INFO L93 Difference]: Finished difference Result 1323 states and 2030 transitions. [2022-10-15 22:04:38,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:38,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-15 22:04:38,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:38,342 INFO L225 Difference]: With dead ends: 1323 [2022-10-15 22:04:38,342 INFO L226 Difference]: Without dead ends: 1320 [2022-10-15 22:04:38,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:38,345 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 743 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:38,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 873 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-10-15 22:04:38,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1275. [2022-10-15 22:04:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 1210 states have (on average 1.6677685950413224) internal successors, (2018), 1274 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 2018 transitions. [2022-10-15 22:04:38,453 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 2018 transitions. Word has length 65 [2022-10-15 22:04:38,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:38,454 INFO L495 AbstractCegarLoop]: Abstraction has 1275 states and 2018 transitions. [2022-10-15 22:04:38,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 2018 transitions. [2022-10-15 22:04:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:04:38,455 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:38,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:38,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:04:38,456 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:38,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1540971716, now seen corresponding path program 1 times [2022-10-15 22:04:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:38,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941882423] [2022-10-15 22:04:38,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:38,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:38,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:38,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941882423] [2022-10-15 22:04:38,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941882423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:38,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:38,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:38,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298773865] [2022-10-15 22:04:38,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:38,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:38,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:38,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:38,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:38,579 INFO L87 Difference]: Start difference. First operand 1275 states and 2018 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:39,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:39,036 INFO L93 Difference]: Finished difference Result 3970 states and 6488 transitions. [2022-10-15 22:04:39,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:39,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:04:39,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:39,055 INFO L225 Difference]: With dead ends: 3970 [2022-10-15 22:04:39,055 INFO L226 Difference]: Without dead ends: 2952 [2022-10-15 22:04:39,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:39,061 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 943 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:39,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 777 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:39,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2022-10-15 22:04:39,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 2225. [2022-10-15 22:04:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2225 states, 2162 states have (on average 1.6799259944495837) internal successors, (3632), 2224 states have internal predecessors, (3632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:39,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 3632 transitions. [2022-10-15 22:04:39,303 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 3632 transitions. Word has length 67 [2022-10-15 22:04:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:39,304 INFO L495 AbstractCegarLoop]: Abstraction has 2225 states and 3632 transitions. [2022-10-15 22:04:39,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:39,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 3632 transitions. [2022-10-15 22:04:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:04:39,305 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:39,305 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] [2022-10-15 22:04:39,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:04:39,307 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:39,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash 525483210, now seen corresponding path program 1 times [2022-10-15 22:04:39,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:39,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390346135] [2022-10-15 22:04:39,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:39,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:39,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:39,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390346135] [2022-10-15 22:04:39,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390346135] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:39,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:39,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:39,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751367942] [2022-10-15 22:04:39,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:39,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:39,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:39,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:39,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:39,433 INFO L87 Difference]: Start difference. First operand 2225 states and 3632 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:39,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:39,874 INFO L93 Difference]: Finished difference Result 2911 states and 4766 transitions. [2022-10-15 22:04:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:39,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-15 22:04:39,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:39,891 INFO L225 Difference]: With dead ends: 2911 [2022-10-15 22:04:39,891 INFO L226 Difference]: Without dead ends: 2908 [2022-10-15 22:04:39,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:39,893 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 940 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:39,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 615 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:04:39,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2908 states. [2022-10-15 22:04:40,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2908 to 2871. [2022-10-15 22:04:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2810 states have (on average 1.6857651245551601) internal successors, (4737), 2870 states have internal predecessors, (4737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 4737 transitions. [2022-10-15 22:04:40,239 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 4737 transitions. Word has length 68 [2022-10-15 22:04:40,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:40,240 INFO L495 AbstractCegarLoop]: Abstraction has 2871 states and 4737 transitions. [2022-10-15 22:04:40,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 4737 transitions. [2022-10-15 22:04:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:04:40,241 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:40,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:40,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:04:40,242 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:40,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:40,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1816767380, now seen corresponding path program 1 times [2022-10-15 22:04:40,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:40,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581112636] [2022-10-15 22:04:40,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:40,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:40,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:40,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581112636] [2022-10-15 22:04:40,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581112636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:40,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:40,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:40,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201686444] [2022-10-15 22:04:40,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:40,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:40,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:40,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:40,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:40,342 INFO L87 Difference]: Start difference. First operand 2871 states and 4737 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:41,175 INFO L93 Difference]: Finished difference Result 9909 states and 16625 transitions. [2022-10-15 22:04:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:41,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:04:41,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:41,215 INFO L225 Difference]: With dead ends: 9909 [2022-10-15 22:04:41,216 INFO L226 Difference]: Without dead ends: 7291 [2022-10-15 22:04:41,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:41,227 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 931 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:41,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 847 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:04:41,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7291 states. [2022-10-15 22:04:41,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7291 to 5025. [2022-10-15 22:04:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5025 states, 4966 states have (on average 1.6906967378171567) internal successors, (8396), 5024 states have internal predecessors, (8396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:41,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 5025 states and 8396 transitions. [2022-10-15 22:04:41,943 INFO L78 Accepts]: Start accepts. Automaton has 5025 states and 8396 transitions. Word has length 70 [2022-10-15 22:04:41,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:41,944 INFO L495 AbstractCegarLoop]: Abstraction has 5025 states and 8396 transitions. [2022-10-15 22:04:41,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 5025 states and 8396 transitions. [2022-10-15 22:04:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:04:41,945 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:41,945 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] [2022-10-15 22:04:41,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:04:41,949 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:41,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:41,955 INFO L85 PathProgramCache]: Analyzing trace with hash -485213655, now seen corresponding path program 1 times [2022-10-15 22:04:41,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:41,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516469255] [2022-10-15 22:04:41,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:41,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:42,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:42,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516469255] [2022-10-15 22:04:42,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516469255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:42,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:42,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:42,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098091153] [2022-10-15 22:04:42,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:42,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:42,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:42,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:42,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:42,077 INFO L87 Difference]: Start difference. First operand 5025 states and 8396 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:43,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:43,023 INFO L93 Difference]: Finished difference Result 7612 states and 12764 transitions. [2022-10-15 22:04:43,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:43,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-15 22:04:43,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:43,085 INFO L225 Difference]: With dead ends: 7612 [2022-10-15 22:04:43,085 INFO L226 Difference]: Without dead ends: 7609 [2022-10-15 22:04:43,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:43,090 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 928 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:43,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 673 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:04:43,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2022-10-15 22:04:44,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7551. [2022-10-15 22:04:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7551 states, 7494 states have (on average 1.6913530824659728) internal successors, (12675), 7550 states have internal predecessors, (12675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7551 states to 7551 states and 12675 transitions. [2022-10-15 22:04:44,197 INFO L78 Accepts]: Start accepts. Automaton has 7551 states and 12675 transitions. Word has length 71 [2022-10-15 22:04:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:44,197 INFO L495 AbstractCegarLoop]: Abstraction has 7551 states and 12675 transitions. [2022-10-15 22:04:44,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:44,198 INFO L276 IsEmpty]: Start isEmpty. Operand 7551 states and 12675 transitions. [2022-10-15 22:04:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:04:44,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:44,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:44,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:04:44,199 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:44,200 INFO L85 PathProgramCache]: Analyzing trace with hash 844109047, now seen corresponding path program 1 times [2022-10-15 22:04:44,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:44,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854026043] [2022-10-15 22:04:44,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:44,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:44,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:44,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854026043] [2022-10-15 22:04:44,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854026043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:44,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:44,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:44,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750605372] [2022-10-15 22:04:44,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:44,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:44,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:44,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:44,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:44,307 INFO L87 Difference]: Start difference. First operand 7551 states and 12675 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:45,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:45,778 INFO L93 Difference]: Finished difference Result 17250 states and 29175 transitions. [2022-10-15 22:04:45,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:04:45,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 22:04:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:45,837 INFO L225 Difference]: With dead ends: 17250 [2022-10-15 22:04:45,837 INFO L226 Difference]: Without dead ends: 17246 [2022-10-15 22:04:45,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:45,845 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 909 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:45,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 1112 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:04:45,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17246 states. [2022-10-15 22:04:47,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17246 to 13247. [2022-10-15 22:04:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13247 states, 13191 states have (on average 1.6945644757789402) internal successors, (22353), 13246 states have internal predecessors, (22353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13247 states to 13247 states and 22353 transitions. [2022-10-15 22:04:47,658 INFO L78 Accepts]: Start accepts. Automaton has 13247 states and 22353 transitions. Word has length 81 [2022-10-15 22:04:47,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:47,659 INFO L495 AbstractCegarLoop]: Abstraction has 13247 states and 22353 transitions. [2022-10-15 22:04:47,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 13247 states and 22353 transitions. [2022-10-15 22:04:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:04:47,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:47,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:47,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:04:47,669 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:47,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:47,670 INFO L85 PathProgramCache]: Analyzing trace with hash 397576989, now seen corresponding path program 1 times [2022-10-15 22:04:47,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:47,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801833516] [2022-10-15 22:04:47,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:47,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:47,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:47,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801833516] [2022-10-15 22:04:47,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801833516] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:47,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:47,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:04:47,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737980590] [2022-10-15 22:04:47,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:47,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:04:47,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:47,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:04:47,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:04:47,791 INFO L87 Difference]: Start difference. First operand 13247 states and 22353 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:49,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:49,372 INFO L93 Difference]: Finished difference Result 17930 states and 30289 transitions. [2022-10-15 22:04:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:04:49,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-15 22:04:49,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:49,421 INFO L225 Difference]: With dead ends: 17930 [2022-10-15 22:04:49,422 INFO L226 Difference]: Without dead ends: 17926 [2022-10-15 22:04:49,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:49,429 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 965 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:49,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 724 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:04:49,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17926 states. [2022-10-15 22:04:51,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17926 to 17891. [2022-10-15 22:04:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17891 states, 17836 states have (on average 1.6907938999775733) internal successors, (30157), 17890 states have internal predecessors, (30157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:51,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17891 states to 17891 states and 30157 transitions. [2022-10-15 22:04:51,337 INFO L78 Accepts]: Start accepts. Automaton has 17891 states and 30157 transitions. Word has length 82 [2022-10-15 22:04:51,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:51,337 INFO L495 AbstractCegarLoop]: Abstraction has 17891 states and 30157 transitions. [2022-10-15 22:04:51,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 17891 states and 30157 transitions. [2022-10-15 22:04:51,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:04:51,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:51,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:51,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:04:51,339 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:51,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:51,340 INFO L85 PathProgramCache]: Analyzing trace with hash -560014919, now seen corresponding path program 1 times [2022-10-15 22:04:51,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:51,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503059033] [2022-10-15 22:04:51,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:51,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:51,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:51,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:51,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503059033] [2022-10-15 22:04:51,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503059033] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:51,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:51,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:51,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036588547] [2022-10-15 22:04:51,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:51,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:51,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:51,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:51,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:51,478 INFO L87 Difference]: Start difference. First operand 17891 states and 30157 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:55,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:04:55,102 INFO L93 Difference]: Finished difference Result 58381 states and 98607 transitions. [2022-10-15 22:04:55,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:04:55,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-15 22:04:55,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:04:55,209 INFO L225 Difference]: With dead ends: 58381 [2022-10-15 22:04:55,209 INFO L226 Difference]: Without dead ends: 40737 [2022-10-15 22:04:55,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:04:55,243 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 1637 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:04:55,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 2155 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:04:55,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40737 states. [2022-10-15 22:04:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40737 to 32883. [2022-10-15 22:04:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32883 states, 32829 states have (on average 1.6839379816625544) internal successors, (55282), 32882 states have internal predecessors, (55282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32883 states to 32883 states and 55282 transitions. [2022-10-15 22:04:59,356 INFO L78 Accepts]: Start accepts. Automaton has 32883 states and 55282 transitions. Word has length 83 [2022-10-15 22:04:59,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:04:59,356 INFO L495 AbstractCegarLoop]: Abstraction has 32883 states and 55282 transitions. [2022-10-15 22:04:59,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:04:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 32883 states and 55282 transitions. [2022-10-15 22:04:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:04:59,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:04:59,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:04:59,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:04:59,358 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:04:59,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:04:59,366 INFO L85 PathProgramCache]: Analyzing trace with hash -180592993, now seen corresponding path program 1 times [2022-10-15 22:04:59,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:04:59,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823025797] [2022-10-15 22:04:59,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:04:59,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:04:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:04:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:04:59,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:04:59,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823025797] [2022-10-15 22:04:59,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823025797] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:04:59,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:04:59,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:04:59,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741963488] [2022-10-15 22:04:59,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:04:59,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:04:59,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:04:59,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:04:59,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:04:59,505 INFO L87 Difference]: Start difference. First operand 32883 states and 55282 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:03,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:03,586 INFO L93 Difference]: Finished difference Result 44356 states and 74632 transitions. [2022-10-15 22:05:03,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:05:03,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 22:05:03,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:03,671 INFO L225 Difference]: With dead ends: 44356 [2022-10-15 22:05:03,672 INFO L226 Difference]: Without dead ends: 44352 [2022-10-15 22:05:03,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:05:03,687 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 1688 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:03,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 1288 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:05:03,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44352 states. [2022-10-15 22:05:08,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44352 to 44267. [2022-10-15 22:05:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44267 states, 44214 states have (on average 1.6784276473515176) internal successors, (74210), 44266 states have internal predecessors, (74210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44267 states to 44267 states and 74210 transitions. [2022-10-15 22:05:08,259 INFO L78 Accepts]: Start accepts. Automaton has 44267 states and 74210 transitions. Word has length 84 [2022-10-15 22:05:08,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:08,259 INFO L495 AbstractCegarLoop]: Abstraction has 44267 states and 74210 transitions. [2022-10-15 22:05:08,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 44267 states and 74210 transitions. [2022-10-15 22:05:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:05:08,261 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:08,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:08,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:05:08,261 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:05:08,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:08,262 INFO L85 PathProgramCache]: Analyzing trace with hash 758250020, now seen corresponding path program 1 times [2022-10-15 22:05:08,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:08,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355483619] [2022-10-15 22:05:08,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:08,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:08,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:08,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355483619] [2022-10-15 22:05:08,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355483619] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:08,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:08,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:08,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512560780] [2022-10-15 22:05:08,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:08,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:08,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:08,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:08,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:08,367 INFO L87 Difference]: Start difference. First operand 44267 states and 74210 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:12,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:12,077 INFO L93 Difference]: Finished difference Result 44267 states and 74210 transitions. [2022-10-15 22:05:12,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:12,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-15 22:05:12,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:12,138 INFO L225 Difference]: With dead ends: 44267 [2022-10-15 22:05:12,138 INFO L226 Difference]: Without dead ends: 44265 [2022-10-15 22:05:12,147 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 [2022-10-15 22:05:12,148 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 43 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:12,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 789 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:12,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44265 states. [2022-10-15 22:05:16,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44265 to 44265. [2022-10-15 22:05:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44265 states, 44214 states have (on average 1.678382412810422) internal successors, (74208), 44264 states have internal predecessors, (74208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:16,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44265 states to 44265 states and 74208 transitions. [2022-10-15 22:05:16,405 INFO L78 Accepts]: Start accepts. Automaton has 44265 states and 74208 transitions. Word has length 88 [2022-10-15 22:05:16,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:16,405 INFO L495 AbstractCegarLoop]: Abstraction has 44265 states and 74208 transitions. [2022-10-15 22:05:16,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 44265 states and 74208 transitions. [2022-10-15 22:05:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:05:16,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:16,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:16,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:05:16,407 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:05:16,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:16,408 INFO L85 PathProgramCache]: Analyzing trace with hash -231084567, now seen corresponding path program 1 times [2022-10-15 22:05:16,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:16,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441426484] [2022-10-15 22:05:16,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:16,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:16,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:16,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441426484] [2022-10-15 22:05:16,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441426484] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:16,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:16,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:16,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572518379] [2022-10-15 22:05:16,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:16,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:16,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:16,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:16,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:16,512 INFO L87 Difference]: Start difference. First operand 44265 states and 74208 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:20,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:20,216 INFO L93 Difference]: Finished difference Result 44265 states and 74208 transitions. [2022-10-15 22:05:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:20,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 22:05:20,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:20,280 INFO L225 Difference]: With dead ends: 44265 [2022-10-15 22:05:20,280 INFO L226 Difference]: Without dead ends: 44263 [2022-10-15 22:05:20,291 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 [2022-10-15 22:05:20,292 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 351 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:20,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 416 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:20,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44263 states. [2022-10-15 22:05:24,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44263 to 44263. [2022-10-15 22:05:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44263 states, 44214 states have (on average 1.6692450355091148) internal successors, (73804), 44262 states have internal predecessors, (73804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44263 states to 44263 states and 73804 transitions. [2022-10-15 22:05:24,283 INFO L78 Accepts]: Start accepts. Automaton has 44263 states and 73804 transitions. Word has length 92 [2022-10-15 22:05:24,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:24,283 INFO L495 AbstractCegarLoop]: Abstraction has 44263 states and 73804 transitions. [2022-10-15 22:05:24,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 44263 states and 73804 transitions. [2022-10-15 22:05:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 22:05:24,285 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:24,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:24,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:05:24,287 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 22:05:24,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:24,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1426313352, now seen corresponding path program 1 times [2022-10-15 22:05:24,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:24,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942473882] [2022-10-15 22:05:24,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:24,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:24,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:24,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942473882] [2022-10-15 22:05:24,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942473882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:24,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:24,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:24,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343719793] [2022-10-15 22:05:24,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:24,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:24,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:24,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:24,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:24,456 INFO L87 Difference]: Start difference. First operand 44263 states and 73804 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:28,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:28,558 INFO L93 Difference]: Finished difference Result 44263 states and 73804 transitions. [2022-10-15 22:05:28,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:28,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-15 22:05:28,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:28,629 INFO L225 Difference]: With dead ends: 44263 [2022-10-15 22:05:28,629 INFO L226 Difference]: Without dead ends: 44261 [2022-10-15 22:05:28,640 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 [2022-10-15 22:05:28,648 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 348 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:28,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 416 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:28,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44261 states.