/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_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:54:01,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:54:01,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:54:01,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:54:01,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:54:01,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:54:01,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:54:01,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:54:01,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:54:01,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:54:01,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:54:01,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:54:01,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:54:01,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:54:01,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:54:01,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:54:01,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:54:01,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:54:01,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:54:01,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:54:01,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:54:01,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:54:01,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:54:01,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:54:01,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:54:01,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:54:01,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:54:01,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:54:01,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:54:01,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:54:01,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:54:01,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:54:01,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:54:01,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:54:01,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:54:01,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:54:01,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:54:01,748 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:54:01,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:54:01,750 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:54:01,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:54:01,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:54:01,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:54:01,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:54:01,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:54:01,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:54:01,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:54:01,751 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:54:01,751 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:54:01,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:54:01,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:54:01,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:54:01,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:54:01,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:54:01,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:54:01,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:54:01,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:54:01,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:54:01,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:54:01,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:54:01,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:54:01,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:54:01,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:54:02,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:54:02,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:54:02,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:54:02,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:54:02,200 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:54:02,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:54:02,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa3319f5/f47a34c3414647f38203d698308251bc/FLAG77f81eb48 [2022-10-16 16:54:03,594 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:54:03,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:54:03,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa3319f5/f47a34c3414647f38203d698308251bc/FLAG77f81eb48 [2022-10-16 16:54:03,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa3319f5/f47a34c3414647f38203d698308251bc [2022-10-16 16:54:03,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:54:03,773 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:54:03,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:54:03,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:54:03,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:54:03,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:54:03" (1/1) ... [2022-10-16 16:54:03,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473ad6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:03, skipping insertion in model container [2022-10-16 16:54:03,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:54:03" (1/1) ... [2022-10-16 16:54:03,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:54:04,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:54:05,511 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_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[40692,40705] [2022-10-16 16:54:09,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:54:09,061 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:54:09,542 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_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[40692,40705] [2022-10-16 16:54:12,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:54:12,266 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:54:12,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12 WrapperNode [2022-10-16 16:54:12,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:54:12,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:54:12,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:54:12,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:54:12,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:12,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,026 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24348 [2022-10-16 16:54:13,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:54:13,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:54:13,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:54:13,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:54:13,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:54:13,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:54:13,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:54:13,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:54:13,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (1/1) ... [2022-10-16 16:54:13,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:54:13,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:54:13,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:54:13,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:54:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:54:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:54:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:54:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:54:14,436 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:54:14,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:54:28,854 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:54:28,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:54:28,918 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:54:28,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:54:28 BoogieIcfgContainer [2022-10-16 16:54:28,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:54:28,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:54:28,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:54:28,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:54:28,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:54:03" (1/3) ... [2022-10-16 16:54:28,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5048a9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:54:28, skipping insertion in model container [2022-10-16 16:54:28,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:54:12" (2/3) ... [2022-10-16 16:54:28,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5048a9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:54:28, skipping insertion in model container [2022-10-16 16:54:28,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:54:28" (3/3) ... [2022-10-16 16:54:28,941 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.4.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-16 16:54:28,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:54:28,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1628 error locations. [2022-10-16 16:54:29,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:54:29,185 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;@715b88b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:54:29,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1628 error locations. [2022-10-16 16:54:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 10118 states, 8489 states have (on average 1.7983272470255625) internal successors, (15266), 10117 states have internal predecessors, (15266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-10-16 16:54:29,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:29,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:29,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:54:29,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:29,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2058062598, now seen corresponding path program 1 times [2022-10-16 16:54:29,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:29,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181489688] [2022-10-16 16:54:29,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:29,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:30,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:30,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181489688] [2022-10-16 16:54:30,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181489688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:30,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:30,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:54:30,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682106972] [2022-10-16 16:54:30,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:30,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:30,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:30,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:30,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:30,229 INFO L87 Difference]: Start difference. First operand has 10118 states, 8489 states have (on average 1.7983272470255625) internal successors, (15266), 10117 states have internal predecessors, (15266), 0 states have call successors, (0), 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, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:31,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:31,216 INFO L93 Difference]: Finished difference Result 18348 states and 28412 transitions. [2022-10-16 16:54:31,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:31,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-10-16 16:54:31,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:31,326 INFO L225 Difference]: With dead ends: 18348 [2022-10-16 16:54:31,327 INFO L226 Difference]: Without dead ends: 10775 [2022-10-16 16:54:31,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:31,365 INFO L413 NwaCegarLoop]: 16733 mSDtfsCounter, 8926 mSDsluCounter, 7845 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8926 SdHoareTripleChecker+Valid, 24578 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:31,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8926 Valid, 24578 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:54:31,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10775 states. [2022-10-16 16:54:32,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10775 to 10497. [2022-10-16 16:54:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10497 states, 9477 states have (on average 1.7199535718054237) internal successors, (16300), 10496 states have internal predecessors, (16300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10497 states to 10497 states and 16300 transitions. [2022-10-16 16:54:32,106 INFO L78 Accepts]: Start accepts. Automaton has 10497 states and 16300 transitions. Word has length 191 [2022-10-16 16:54:32,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:32,111 INFO L495 AbstractCegarLoop]: Abstraction has 10497 states and 16300 transitions. [2022-10-16 16:54:32,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 10497 states and 16300 transitions. [2022-10-16 16:54:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-10-16 16:54:32,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:32,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:32,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:54:32,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1022ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:54:32,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:32,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1813914242, now seen corresponding path program 1 times [2022-10-16 16:54:32,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:32,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725683806] [2022-10-16 16:54:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:32,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:32,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:32,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725683806] [2022-10-16 16:54:32,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725683806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:32,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:32,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:54:32,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138133450] [2022-10-16 16:54:32,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:32,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:32,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:32,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:32,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:32,881 INFO L87 Difference]: Start difference. First operand 10497 states and 16300 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:34,119 INFO L93 Difference]: Finished difference Result 22202 states and 35240 transitions. [2022-10-16 16:54:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:34,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 198 [2022-10-16 16:54:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:34,235 INFO L225 Difference]: With dead ends: 22202 [2022-10-16 16:54:34,235 INFO L226 Difference]: Without dead ends: 13275 [2022-10-16 16:54:34,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:34,264 INFO L413 NwaCegarLoop]: 14995 mSDtfsCounter, 8707 mSDsluCounter, 6310 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8707 SdHoareTripleChecker+Valid, 21305 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:34,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8707 Valid, 21305 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:54:34,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13275 states. [2022-10-16 16:54:35,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13275 to 12999. [2022-10-16 16:54:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12999 states, 12283 states have (on average 1.7201823658715298) internal successors, (21129), 12998 states have internal predecessors, (21129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12999 states to 12999 states and 21129 transitions. [2022-10-16 16:54:35,508 INFO L78 Accepts]: Start accepts. Automaton has 12999 states and 21129 transitions. Word has length 198 [2022-10-16 16:54:35,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:35,509 INFO L495 AbstractCegarLoop]: Abstraction has 12999 states and 21129 transitions. [2022-10-16 16:54:35,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12999 states and 21129 transitions. [2022-10-16 16:54:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 16:54:35,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:35,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:35,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:54:35,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:54:35,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash -226838400, now seen corresponding path program 1 times [2022-10-16 16:54:35,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:35,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676845056] [2022-10-16 16:54:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:35,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:35,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676845056] [2022-10-16 16:54:35,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676845056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:35,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:35,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:54:35,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64276788] [2022-10-16 16:54:35,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:35,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:35,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:35,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:35,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:35,770 INFO L87 Difference]: Start difference. First operand 12999 states and 21129 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:37,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:37,348 INFO L93 Difference]: Finished difference Result 29900 states and 49031 transitions. [2022-10-16 16:54:37,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:37,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2022-10-16 16:54:37,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:37,406 INFO L225 Difference]: With dead ends: 29900 [2022-10-16 16:54:37,407 INFO L226 Difference]: Without dead ends: 17994 [2022-10-16 16:54:37,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:37,441 INFO L413 NwaCegarLoop]: 14243 mSDtfsCounter, 8508 mSDsluCounter, 5845 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8508 SdHoareTripleChecker+Valid, 20088 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:37,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8508 Valid, 20088 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:54:37,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17994 states. [2022-10-16 16:54:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17994 to 17720. [2022-10-16 16:54:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17720 states, 17156 states have (on average 1.7203310795057123) internal successors, (29514), 17719 states have internal predecessors, (29514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17720 states to 17720 states and 29514 transitions. [2022-10-16 16:54:38,900 INFO L78 Accepts]: Start accepts. Automaton has 17720 states and 29514 transitions. Word has length 205 [2022-10-16 16:54:38,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:38,901 INFO L495 AbstractCegarLoop]: Abstraction has 17720 states and 29514 transitions. [2022-10-16 16:54:38,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 17720 states and 29514 transitions. [2022-10-16 16:54:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 16:54:38,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:38,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:38,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:54:38,907 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1478ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:54:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash 602731792, now seen corresponding path program 1 times [2022-10-16 16:54:38,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:38,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256364551] [2022-10-16 16:54:38,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:38,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:39,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:39,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:39,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256364551] [2022-10-16 16:54:39,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256364551] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:39,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:39,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:54:39,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35663921] [2022-10-16 16:54:39,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:39,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:39,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:39,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:39,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:39,199 INFO L87 Difference]: Start difference. First operand 17720 states and 29514 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:41,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:41,607 INFO L93 Difference]: Finished difference Result 42511 states and 71016 transitions. [2022-10-16 16:54:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:41,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 212 [2022-10-16 16:54:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:41,706 INFO L225 Difference]: With dead ends: 42511 [2022-10-16 16:54:41,707 INFO L226 Difference]: Without dead ends: 25659 [2022-10-16 16:54:41,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:41,751 INFO L413 NwaCegarLoop]: 14065 mSDtfsCounter, 7973 mSDsluCounter, 5958 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7973 SdHoareTripleChecker+Valid, 20023 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:41,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7973 Valid, 20023 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:54:41,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25659 states. [2022-10-16 16:54:44,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25659 to 25387. [2022-10-16 16:54:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25387 states, 24899 states have (on average 1.7189043736696252) internal successors, (42799), 25386 states have internal predecessors, (42799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25387 states to 25387 states and 42799 transitions. [2022-10-16 16:54:44,158 INFO L78 Accepts]: Start accepts. Automaton has 25387 states and 42799 transitions. Word has length 212 [2022-10-16 16:54:44,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:44,159 INFO L495 AbstractCegarLoop]: Abstraction has 25387 states and 42799 transitions. [2022-10-16 16:54:44,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 25387 states and 42799 transitions. [2022-10-16 16:54:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-10-16 16:54:44,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:44,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:44,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:54:44,165 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1554ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:54:44,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:44,165 INFO L85 PathProgramCache]: Analyzing trace with hash 585171058, now seen corresponding path program 1 times [2022-10-16 16:54:44,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:44,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100786744] [2022-10-16 16:54:44,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:44,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:44,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:44,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100786744] [2022-10-16 16:54:44,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100786744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:44,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:44,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:54:44,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636195165] [2022-10-16 16:54:44,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:44,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:44,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:44,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:44,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:44,431 INFO L87 Difference]: Start difference. First operand 25387 states and 42799 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:47,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:47,598 INFO L93 Difference]: Finished difference Result 62208 states and 105069 transitions. [2022-10-16 16:54:47,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:47,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2022-10-16 16:54:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:47,723 INFO L225 Difference]: With dead ends: 62208 [2022-10-16 16:54:47,723 INFO L226 Difference]: Without dead ends: 37590 [2022-10-16 16:54:47,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:47,774 INFO L413 NwaCegarLoop]: 13936 mSDtfsCounter, 6814 mSDsluCounter, 6804 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6814 SdHoareTripleChecker+Valid, 20740 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:47,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6814 Valid, 20740 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:54:47,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37590 states. [2022-10-16 16:54:50,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37590 to 37320. [2022-10-16 16:54:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37320 states, 36870 states have (on average 1.7159479251423921) internal successors, (63267), 37319 states have internal predecessors, (63267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37320 states to 37320 states and 63267 transitions. [2022-10-16 16:54:50,240 INFO L78 Accepts]: Start accepts. Automaton has 37320 states and 63267 transitions. Word has length 219 [2022-10-16 16:54:50,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:50,241 INFO L495 AbstractCegarLoop]: Abstraction has 37320 states and 63267 transitions. [2022-10-16 16:54:50,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 37320 states and 63267 transitions. [2022-10-16 16:54:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-16 16:54:50,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:50,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:50,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:54:50,246 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1592ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:54:50,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1776018975, now seen corresponding path program 1 times [2022-10-16 16:54:50,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:50,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792787142] [2022-10-16 16:54:50,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:50,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:50,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:50,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792787142] [2022-10-16 16:54:50,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792787142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:50,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:50,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:50,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847410746] [2022-10-16 16:54:50,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:50,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:50,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:50,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:50,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:50,702 INFO L87 Difference]: Start difference. First operand 37320 states and 63267 transitions. Second operand has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:54,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:54,232 INFO L93 Difference]: Finished difference Result 43171 states and 73571 transitions. [2022-10-16 16:54:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:54,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-10-16 16:54:54,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:54,371 INFO L225 Difference]: With dead ends: 43171 [2022-10-16 16:54:54,371 INFO L226 Difference]: Without dead ends: 43159 [2022-10-16 16:54:54,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:54,388 INFO L413 NwaCegarLoop]: 9939 mSDtfsCounter, 6083 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6083 SdHoareTripleChecker+Valid, 14173 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:54,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6083 Valid, 14173 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:54:54,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43159 states. [2022-10-16 16:54:57,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43159 to 43103. [2022-10-16 16:54:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43103 states, 42662 states have (on average 1.716961230134546) internal successors, (73249), 43102 states have internal predecessors, (73249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43103 states to 43103 states and 73249 transitions. [2022-10-16 16:54:57,509 INFO L78 Accepts]: Start accepts. Automaton has 43103 states and 73249 transitions. Word has length 225 [2022-10-16 16:54:57,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:57,510 INFO L495 AbstractCegarLoop]: Abstraction has 43103 states and 73249 transitions. [2022-10-16 16:54:57,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:54:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 43103 states and 73249 transitions. [2022-10-16 16:54:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-16 16:54:57,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:57,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:57,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:54:57,515 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1593ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:54:57,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:57,516 INFO L85 PathProgramCache]: Analyzing trace with hash 778017652, now seen corresponding path program 1 times [2022-10-16 16:54:57,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:57,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469117583] [2022-10-16 16:54:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:54:57,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:57,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469117583] [2022-10-16 16:54:57,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469117583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:57,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:57,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:57,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385417329] [2022-10-16 16:54:57,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:57,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:57,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:57,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:57,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:57,975 INFO L87 Difference]: Start difference. First operand 43103 states and 73249 transitions. Second operand has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:01,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:01,467 INFO L93 Difference]: Finished difference Result 43162 states and 73249 transitions. [2022-10-16 16:55:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:01,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 226 [2022-10-16 16:55:01,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:01,564 INFO L225 Difference]: With dead ends: 43162 [2022-10-16 16:55:01,565 INFO L226 Difference]: Without dead ends: 43150 [2022-10-16 16:55:01,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:01,579 INFO L413 NwaCegarLoop]: 9942 mSDtfsCounter, 6070 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6070 SdHoareTripleChecker+Valid, 14176 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:01,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6070 Valid, 14176 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:55:01,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43150 states. [2022-10-16 16:55:04,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43150 to 43094. [2022-10-16 16:55:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43094 states, 42662 states have (on average 1.7094135296048005) internal successors, (72927), 43093 states have internal predecessors, (72927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43094 states to 43094 states and 72927 transitions. [2022-10-16 16:55:04,501 INFO L78 Accepts]: Start accepts. Automaton has 43094 states and 72927 transitions. Word has length 226 [2022-10-16 16:55:04,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:04,501 INFO L495 AbstractCegarLoop]: Abstraction has 43094 states and 72927 transitions. [2022-10-16 16:55:04,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 43094 states and 72927 transitions. [2022-10-16 16:55:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-10-16 16:55:04,509 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:04,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:04,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:55:04,510 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1594ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:55:04,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:04,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1651225533, now seen corresponding path program 1 times [2022-10-16 16:55:04,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:04,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471122219] [2022-10-16 16:55:04,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:04,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:04,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471122219] [2022-10-16 16:55:04,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471122219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:04,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:55:04,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:55:04,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708703830] [2022-10-16 16:55:04,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:04,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:04,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:04,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:04,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:04,908 INFO L87 Difference]: Start difference. First operand 43094 states and 72927 transitions. Second operand has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:08,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:08,059 INFO L93 Difference]: Finished difference Result 48939 states and 83039 transitions. [2022-10-16 16:55:08,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:08,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 227 [2022-10-16 16:55:08,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:08,142 INFO L225 Difference]: With dead ends: 48939 [2022-10-16 16:55:08,142 INFO L226 Difference]: Without dead ends: 48927 [2022-10-16 16:55:08,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:08,158 INFO L413 NwaCegarLoop]: 9917 mSDtfsCounter, 5066 mSDsluCounter, 5208 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5066 SdHoareTripleChecker+Valid, 15125 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:08,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5066 Valid, 15125 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:55:08,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48927 states. [2022-10-16 16:55:11,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48927 to 48877. [2022-10-16 16:55:11,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48877 states, 48454 states have (on average 1.7071242828249473) internal successors, (82717), 48876 states have internal predecessors, (82717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48877 states to 48877 states and 82717 transitions. [2022-10-16 16:55:11,581 INFO L78 Accepts]: Start accepts. Automaton has 48877 states and 82717 transitions. Word has length 227 [2022-10-16 16:55:11,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:11,582 INFO L495 AbstractCegarLoop]: Abstraction has 48877 states and 82717 transitions. [2022-10-16 16:55:11,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 48877 states and 82717 transitions. [2022-10-16 16:55:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-10-16 16:55:11,585 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:11,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:11,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:55:11,586 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1595ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:55:11,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:11,587 INFO L85 PathProgramCache]: Analyzing trace with hash 351647062, now seen corresponding path program 1 times [2022-10-16 16:55:11,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:11,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223795923] [2022-10-16 16:55:11,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:11,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:11,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:11,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223795923] [2022-10-16 16:55:11,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223795923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:11,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:55:11,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:55:11,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208484994] [2022-10-16 16:55:11,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:11,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:11,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:11,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:11,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:11,941 INFO L87 Difference]: Start difference. First operand 48877 states and 82717 transitions. Second operand has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:15,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:15,714 INFO L93 Difference]: Finished difference Result 48930 states and 82717 transitions. [2022-10-16 16:55:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:15,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 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 228 [2022-10-16 16:55:15,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:15,798 INFO L225 Difference]: With dead ends: 48930 [2022-10-16 16:55:15,798 INFO L226 Difference]: Without dead ends: 48918 [2022-10-16 16:55:15,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:15,810 INFO L413 NwaCegarLoop]: 9920 mSDtfsCounter, 5053 mSDsluCounter, 5208 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5053 SdHoareTripleChecker+Valid, 15128 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:15,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5053 Valid, 15128 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:55:15,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48918 states. [2022-10-16 16:55:19,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48918 to 48868. [2022-10-16 16:55:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48868 states, 48454 states have (on average 1.700478804639452) internal successors, (82395), 48867 states have internal predecessors, (82395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48868 states to 48868 states and 82395 transitions. [2022-10-16 16:55:19,358 INFO L78 Accepts]: Start accepts. Automaton has 48868 states and 82395 transitions. Word has length 228 [2022-10-16 16:55:19,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:19,358 INFO L495 AbstractCegarLoop]: Abstraction has 48868 states and 82395 transitions. [2022-10-16 16:55:19,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:19,359 INFO L276 IsEmpty]: Start isEmpty. Operand 48868 states and 82395 transitions. [2022-10-16 16:55:19,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-16 16:55:19,362 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:19,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:19,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:55:19,362 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1596ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:55:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:19,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1983811931, now seen corresponding path program 1 times [2022-10-16 16:55:19,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:19,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768281813] [2022-10-16 16:55:19,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:19,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:19,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:19,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768281813] [2022-10-16 16:55:19,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768281813] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:19,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:55:19,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:55:19,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752776706] [2022-10-16 16:55:19,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:19,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:19,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:19,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:19,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:19,772 INFO L87 Difference]: Start difference. First operand 48868 states and 82395 transitions. Second operand has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:23,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:23,892 INFO L93 Difference]: Finished difference Result 54709 states and 92317 transitions. [2022-10-16 16:55:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:23,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2022-10-16 16:55:23,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:23,982 INFO L225 Difference]: With dead ends: 54709 [2022-10-16 16:55:23,982 INFO L226 Difference]: Without dead ends: 54697 [2022-10-16 16:55:23,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:23,998 INFO L413 NwaCegarLoop]: 9895 mSDtfsCounter, 4538 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4538 SdHoareTripleChecker+Valid, 15571 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:23,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4538 Valid, 15571 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:55:24,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54697 states. [2022-10-16 16:55:27,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54697 to 54653. [2022-10-16 16:55:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54653 states, 54248 states have (on average 1.6958228874797228) internal successors, (91995), 54652 states have internal predecessors, (91995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54653 states to 54653 states and 91995 transitions. [2022-10-16 16:55:28,167 INFO L78 Accepts]: Start accepts. Automaton has 54653 states and 91995 transitions. Word has length 229 [2022-10-16 16:55:28,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:28,168 INFO L495 AbstractCegarLoop]: Abstraction has 54653 states and 91995 transitions. [2022-10-16 16:55:28,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 54653 states and 91995 transitions. [2022-10-16 16:55:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-10-16 16:55:28,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:28,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:28,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:55:28,172 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1597ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:55:28,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:28,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1368596680, now seen corresponding path program 1 times [2022-10-16 16:55:28,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:28,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933639961] [2022-10-16 16:55:28,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:28,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:28,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933639961] [2022-10-16 16:55:28,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933639961] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:28,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:55:28,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:55:28,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105558778] [2022-10-16 16:55:28,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:28,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:28,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:28,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:28,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:28,569 INFO L87 Difference]: Start difference. First operand 54653 states and 91995 transitions. Second operand has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:32,792 INFO L93 Difference]: Finished difference Result 54700 states and 91995 transitions. [2022-10-16 16:55:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:32,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 230 [2022-10-16 16:55:32,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:32,873 INFO L225 Difference]: With dead ends: 54700 [2022-10-16 16:55:32,874 INFO L226 Difference]: Without dead ends: 54688 [2022-10-16 16:55:32,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:32,887 INFO L413 NwaCegarLoop]: 9898 mSDtfsCounter, 4525 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4525 SdHoareTripleChecker+Valid, 15574 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:32,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4525 Valid, 15574 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:55:32,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54688 states. [2022-10-16 16:55:36,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54688 to 54644. [2022-10-16 16:55:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54644 states, 54248 states have (on average 1.6898871847810057) internal successors, (91673), 54643 states have internal predecessors, (91673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:37,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54644 states to 54644 states and 91673 transitions. [2022-10-16 16:55:37,195 INFO L78 Accepts]: Start accepts. Automaton has 54644 states and 91673 transitions. Word has length 230 [2022-10-16 16:55:37,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:37,196 INFO L495 AbstractCegarLoop]: Abstraction has 54644 states and 91673 transitions. [2022-10-16 16:55:37,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 54644 states and 91673 transitions. [2022-10-16 16:55:37,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-16 16:55:37,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:37,199 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:37,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:55:37,199 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1598ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:55:37,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:37,200 INFO L85 PathProgramCache]: Analyzing trace with hash 523206919, now seen corresponding path program 1 times [2022-10-16 16:55:37,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:37,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982139526] [2022-10-16 16:55:37,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:37,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:37,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982139526] [2022-10-16 16:55:37,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982139526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:37,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:55:37,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:55:37,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764018376] [2022-10-16 16:55:37,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:37,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:37,583 INFO L87 Difference]: Start difference. First operand 54644 states and 91673 transitions. Second operand has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:43,203 INFO L93 Difference]: Finished difference Result 70855 states and 118489 transitions. [2022-10-16 16:55:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:43,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2022-10-16 16:55:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:43,316 INFO L225 Difference]: With dead ends: 70855 [2022-10-16 16:55:43,317 INFO L226 Difference]: Without dead ends: 70843 [2022-10-16 16:55:43,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:43,335 INFO L413 NwaCegarLoop]: 9861 mSDtfsCounter, 4514 mSDsluCounter, 5589 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4514 SdHoareTripleChecker+Valid, 15450 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:43,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4514 Valid, 15450 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:55:43,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70843 states. [2022-10-16 16:55:49,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70843 to 70825. [2022-10-16 16:55:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70825 states, 70440 states have (on average 1.6734667802385008) internal successors, (117879), 70824 states have internal predecessors, (117879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70825 states to 70825 states and 117879 transitions. [2022-10-16 16:55:49,390 INFO L78 Accepts]: Start accepts. Automaton has 70825 states and 117879 transitions. Word has length 231 [2022-10-16 16:55:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:55:49,391 INFO L495 AbstractCegarLoop]: Abstraction has 70825 states and 117879 transitions. [2022-10-16 16:55:49,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 70825 states and 117879 transitions. [2022-10-16 16:55:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-16 16:55:49,393 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:55:49,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:55:49,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:55:49,394 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1599ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:55:49,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:55:49,394 INFO L85 PathProgramCache]: Analyzing trace with hash -960423654, now seen corresponding path program 1 times [2022-10-16 16:55:49,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:55:49,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736701375] [2022-10-16 16:55:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:55:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:55:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:55:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:55:49,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:55:49,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736701375] [2022-10-16 16:55:49,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736701375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:55:49,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:55:49,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:55:49,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25965862] [2022-10-16 16:55:49,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:55:49,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:55:49,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:55:49,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:55:49,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:49,821 INFO L87 Difference]: Start difference. First operand 70825 states and 117879 transitions. Second operand has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:55:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:55:58,043 INFO L93 Difference]: Finished difference Result 98599 states and 165059 transitions. [2022-10-16 16:55:58,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:55:58,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 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 232 [2022-10-16 16:55:58,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:55:58,229 INFO L225 Difference]: With dead ends: 98599 [2022-10-16 16:55:58,229 INFO L226 Difference]: Without dead ends: 98587 [2022-10-16 16:55:58,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:55:58,252 INFO L413 NwaCegarLoop]: 9876 mSDtfsCounter, 4501 mSDsluCounter, 5633 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4501 SdHoareTripleChecker+Valid, 15509 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:55:58,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4501 Valid, 15509 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:55:58,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98587 states. [2022-10-16 16:56:06,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98587 to 98531. [2022-10-16 16:56:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98531 states, 98155 states have (on average 1.6740970913351332) internal successors, (164321), 98530 states have internal predecessors, (164321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:56:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98531 states to 98531 states and 164321 transitions. [2022-10-16 16:56:07,516 INFO L78 Accepts]: Start accepts. Automaton has 98531 states and 164321 transitions. Word has length 232 [2022-10-16 16:56:07,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:56:07,517 INFO L495 AbstractCegarLoop]: Abstraction has 98531 states and 164321 transitions. [2022-10-16 16:56:07,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:56:07,517 INFO L276 IsEmpty]: Start isEmpty. Operand 98531 states and 164321 transitions. [2022-10-16 16:56:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-16 16:56:07,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:56:07,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:56:07,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:56:07,520 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1600ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1625 more)] === [2022-10-16 16:56:07,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:56:07,521 INFO L85 PathProgramCache]: Analyzing trace with hash 451830556, now seen corresponding path program 1 times [2022-10-16 16:56:07,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:56:07,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768640941] [2022-10-16 16:56:07,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:56:07,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:56:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:56:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:56:07,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:56:07,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768640941] [2022-10-16 16:56:07,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768640941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:56:07,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:56:07,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:56:07,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19855107] [2022-10-16 16:56:07,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:56:07,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:56:07,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:56:07,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:56:07,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:56:07,840 INFO L87 Difference]: Start difference. First operand 98531 states and 164321 transitions. Second operand has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:56:21,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:56:21,058 INFO L93 Difference]: Finished difference Result 151578 states and 251969 transitions. [2022-10-16 16:56:21,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:56:21,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-10-16 16:56:21,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:56:21,549 INFO L225 Difference]: With dead ends: 151578 [2022-10-16 16:56:21,550 INFO L226 Difference]: Without dead ends: 151573 [2022-10-16 16:56:21,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:56:21,597 INFO L413 NwaCegarLoop]: 9841 mSDtfsCounter, 5302 mSDsluCounter, 4879 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5302 SdHoareTripleChecker+Valid, 14720 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:56:21,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5302 Valid, 14720 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:56:21,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151573 states.