/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_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:36:01,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:36:01,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:36:01,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:36:01,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:36:01,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:36:01,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:36:01,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:36:01,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:36:01,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:36:01,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:36:01,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 16:36:01,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:36:01,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:36:01,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:36:01,732 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 16:36:01,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:36:01,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:36:01,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:36:01,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:36:01,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:36:01,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:36:01,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:36:01,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:36:01,790 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:36:01,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:36:01,790 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:36:01,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:36:01,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:36:01,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:36:01,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:36:01,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:36:01,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:36:01,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:36:01,793 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:36:01,793 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:36:01,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:36:01,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:36:01,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:36:01,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:36:01,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:36:01,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:36:01,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:36:01,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:36:01,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:36:01,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:36:01,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:36:01,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:36:01,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:36:01,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:36:02,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:36:02,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:36:02,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:36:02,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:36:02,232 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:36:02,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:36:02,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112832ce6/8a18e75f7f37499cb3a97b93735cc220/FLAG774007114 [2022-10-16 16:36:03,041 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:36:03,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:36:03,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112832ce6/8a18e75f7f37499cb3a97b93735cc220/FLAG774007114 [2022-10-16 16:36:03,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112832ce6/8a18e75f7f37499cb3a97b93735cc220 [2022-10-16 16:36:03,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:36:03,106 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:36:03,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:36:03,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:36:03,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:36:03,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:03,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349c074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03, skipping insertion in model container [2022-10-16 16:36:03,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:03,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:36:03,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:36:03,572 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_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10378,10391] [2022-10-16 16:36:03,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:36:03,683 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:36:03,793 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_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10378,10391] [2022-10-16 16:36:03,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:36:03,857 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:36:03,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03 WrapperNode [2022-10-16 16:36:03,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:36:03,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:36:03,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:36:03,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:36:03,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:03,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:03,981 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 894 [2022-10-16 16:36:03,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:36:03,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:36:03,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:36:03,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:36:03,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:03,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:03,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:03,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:04,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:04,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:04,069 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:04,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:04,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:36:04,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:36:04,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:36:04,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:36:04,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (1/1) ... [2022-10-16 16:36:04,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:36:04,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:36:04,143 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 16:36:04,165 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 16:36:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:36:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:36:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:36:04,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:36:04,353 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:36:04,356 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:36:05,438 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:36:05,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:36:05,458 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:36:05,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:36:05 BoogieIcfgContainer [2022-10-16 16:36:05,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:36:05,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:36:05,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:36:05,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:36:05,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:36:03" (1/3) ... [2022-10-16 16:36:05,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5890fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:36:05, skipping insertion in model container [2022-10-16 16:36:05,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:36:03" (2/3) ... [2022-10-16 16:36:05,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5890fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:36:05, skipping insertion in model container [2022-10-16 16:36:05,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:36:05" (3/3) ... [2022-10-16 16:36:05,473 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:36:05,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:36:05,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-10-16 16:36:05,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:36:05,580 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@13ca6afe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:36:05,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-10-16 16:36:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 261 states have (on average 1.8237547892720307) internal successors, (476), 325 states have internal predecessors, (476), 0 states have call successors, (0), 0 states 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 16:36:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:36:05,597 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:05,598 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] [2022-10-16 16:36:05,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:05,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:05,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1881416424, now seen corresponding path program 1 times [2022-10-16 16:36:05,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:05,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416533343] [2022-10-16 16:36:05,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:06,373 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 16:36:06,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:06,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416533343] [2022-10-16 16:36:06,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416533343] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:06,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:06,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:06,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285371769] [2022-10-16 16:36:06,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:06,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:36:06,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:06,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:36:06,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:06,423 INFO L87 Difference]: Start difference. First operand has 326 states, 261 states have (on average 1.8237547892720307) internal successors, (476), 325 states have internal predecessors, (476), 0 states have call successors, (0), 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 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states 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 16:36:06,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:06,939 INFO L93 Difference]: Finished difference Result 683 states and 971 transitions. [2022-10-16 16:36:06,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:06,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-16 16:36:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:06,962 INFO L225 Difference]: With dead ends: 683 [2022-10-16 16:36:06,963 INFO L226 Difference]: Without dead ends: 662 [2022-10-16 16:36:06,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:06,971 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 1070 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:06,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 697 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:06,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-10-16 16:36:07,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 459. [2022-10-16 16:36:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 401 states have (on average 1.5660847880299251) internal successors, (628), 458 states have internal predecessors, (628), 0 states have call successors, (0), 0 states 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 16:36:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 628 transitions. [2022-10-16 16:36:07,059 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 628 transitions. Word has length 75 [2022-10-16 16:36:07,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:07,059 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 628 transitions. [2022-10-16 16:36:07,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states 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 16:36:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 628 transitions. [2022-10-16 16:36:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:36:07,062 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:07,063 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] [2022-10-16 16:36:07,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:36:07,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:07,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:07,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1805632720, now seen corresponding path program 1 times [2022-10-16 16:36:07,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:07,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552506663] [2022-10-16 16:36:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:07,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:07,292 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 16:36:07,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:07,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552506663] [2022-10-16 16:36:07,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552506663] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:07,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:07,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:07,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608659263] [2022-10-16 16:36:07,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:07,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:36:07,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:07,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:36:07,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:07,297 INFO L87 Difference]: Start difference. First operand 459 states and 628 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states 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 16:36:07,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:07,605 INFO L93 Difference]: Finished difference Result 629 states and 861 transitions. [2022-10-16 16:36:07,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:36:07,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:36:07,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:07,610 INFO L225 Difference]: With dead ends: 629 [2022-10-16 16:36:07,610 INFO L226 Difference]: Without dead ends: 624 [2022-10-16 16:36:07,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:07,613 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 921 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:07,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 431 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:07,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2022-10-16 16:36:07,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 594. [2022-10-16 16:36:07,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 538 states have (on average 1.5855018587360594) internal successors, (853), 593 states have internal predecessors, (853), 0 states have call successors, (0), 0 states 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 16:36:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 853 transitions. [2022-10-16 16:36:07,655 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 853 transitions. Word has length 76 [2022-10-16 16:36:07,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:07,656 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 853 transitions. [2022-10-16 16:36:07,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states 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 16:36:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 853 transitions. [2022-10-16 16:36:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:36:07,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:07,659 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] [2022-10-16 16:36:07,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:36:07,659 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:07,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:07,660 INFO L85 PathProgramCache]: Analyzing trace with hash -140039190, now seen corresponding path program 1 times [2022-10-16 16:36:07,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:07,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316843887] [2022-10-16 16:36:07,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:07,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:07,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:07,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:07,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316843887] [2022-10-16 16:36:07,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316843887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:07,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:07,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:07,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146421587] [2022-10-16 16:36:07,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:07,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:07,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:07,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:07,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:07,886 INFO L87 Difference]: Start difference. First operand 594 states and 853 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 16:36:08,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:08,355 INFO L93 Difference]: Finished difference Result 953 states and 1302 transitions. [2022-10-16 16:36:08,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:36:08,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 16:36:08,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:08,361 INFO L225 Difference]: With dead ends: 953 [2022-10-16 16:36:08,361 INFO L226 Difference]: Without dead ends: 948 [2022-10-16 16:36:08,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:08,370 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1469 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:08,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1469 Valid, 906 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:08,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2022-10-16 16:36:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 724. [2022-10-16 16:36:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 670 states have (on average 1.5925373134328358) internal successors, (1067), 723 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states 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 16:36:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1067 transitions. [2022-10-16 16:36:08,432 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1067 transitions. Word has length 77 [2022-10-16 16:36:08,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:08,432 INFO L495 AbstractCegarLoop]: Abstraction has 724 states and 1067 transitions. [2022-10-16 16:36:08,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 16:36:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1067 transitions. [2022-10-16 16:36:08,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:36:08,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:08,441 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] [2022-10-16 16:36:08,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:36:08,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:08,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:08,444 INFO L85 PathProgramCache]: Analyzing trace with hash -46247310, now seen corresponding path program 1 times [2022-10-16 16:36:08,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:08,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132970770] [2022-10-16 16:36:08,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:08,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:08,686 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 16:36:08,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:08,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132970770] [2022-10-16 16:36:08,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132970770] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:08,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:08,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:08,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906210112] [2022-10-16 16:36:08,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:08,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:08,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:08,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:08,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:08,689 INFO L87 Difference]: Start difference. First operand 724 states and 1067 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 16:36:09,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:09,058 INFO L93 Difference]: Finished difference Result 916 states and 1289 transitions. [2022-10-16 16:36:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:09,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:36:09,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:09,065 INFO L225 Difference]: With dead ends: 916 [2022-10-16 16:36:09,065 INFO L226 Difference]: Without dead ends: 911 [2022-10-16 16:36:09,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:09,067 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1707 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:09,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 597 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:09,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2022-10-16 16:36:09,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 854. [2022-10-16 16:36:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 802 states have (on average 1.5935162094763091) internal successors, (1278), 853 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states 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 16:36:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1278 transitions. [2022-10-16 16:36:09,139 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1278 transitions. Word has length 78 [2022-10-16 16:36:09,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:09,140 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 1278 transitions. [2022-10-16 16:36:09,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 16:36:09,141 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1278 transitions. [2022-10-16 16:36:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:36:09,144 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:09,144 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] [2022-10-16 16:36:09,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:36:09,145 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:09,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:09,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1433666324, now seen corresponding path program 1 times [2022-10-16 16:36:09,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:09,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277631882] [2022-10-16 16:36:09,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:09,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:09,352 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 16:36:09,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:09,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277631882] [2022-10-16 16:36:09,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277631882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:09,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:09,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:09,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492343171] [2022-10-16 16:36:09,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:09,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:09,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:09,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:09,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:09,355 INFO L87 Difference]: Start difference. First operand 854 states and 1278 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 16:36:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:10,013 INFO L93 Difference]: Finished difference Result 1355 states and 1932 transitions. [2022-10-16 16:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:36:10,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 16:36:10,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:10,022 INFO L225 Difference]: With dead ends: 1355 [2022-10-16 16:36:10,023 INFO L226 Difference]: Without dead ends: 1350 [2022-10-16 16:36:10,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:36:10,026 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 2133 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:10,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 1263 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:36:10,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2022-10-16 16:36:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 979. [2022-10-16 16:36:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 929 states have (on average 1.5909580193756727) internal successors, (1478), 978 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states 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 16:36:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1478 transitions. [2022-10-16 16:36:10,110 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1478 transitions. Word has length 79 [2022-10-16 16:36:10,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:10,111 INFO L495 AbstractCegarLoop]: Abstraction has 979 states and 1478 transitions. [2022-10-16 16:36:10,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 16:36:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1478 transitions. [2022-10-16 16:36:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:36:10,118 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:10,119 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] [2022-10-16 16:36:10,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:36:10,120 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:10,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:10,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1493982796, now seen corresponding path program 1 times [2022-10-16 16:36:10,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:10,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822392263] [2022-10-16 16:36:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:10,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:10,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:10,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822392263] [2022-10-16 16:36:10,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822392263] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:10,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:10,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:10,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390219826] [2022-10-16 16:36:10,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:10,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:10,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:10,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:10,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:10,327 INFO L87 Difference]: Start difference. First operand 979 states and 1478 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 16:36:10,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:10,891 INFO L93 Difference]: Finished difference Result 1317 states and 1897 transitions. [2022-10-16 16:36:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:36:10,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:36:10,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:10,899 INFO L225 Difference]: With dead ends: 1317 [2022-10-16 16:36:10,899 INFO L226 Difference]: Without dead ends: 1312 [2022-10-16 16:36:10,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:36:10,901 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 2232 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2232 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:10,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2232 Valid, 906 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2022-10-16 16:36:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1231. [2022-10-16 16:36:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1183 states have (on average 1.5917159763313609) internal successors, (1883), 1230 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states 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 16:36:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1883 transitions. [2022-10-16 16:36:11,000 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1883 transitions. Word has length 80 [2022-10-16 16:36:11,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:11,000 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1883 transitions. [2022-10-16 16:36:11,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 16:36:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1883 transitions. [2022-10-16 16:36:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:36:11,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:11,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:11,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:36:11,002 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:11,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:11,003 INFO L85 PathProgramCache]: Analyzing trace with hash 931173870, now seen corresponding path program 1 times [2022-10-16 16:36:11,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:11,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63738676] [2022-10-16 16:36:11,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:11,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:11,226 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 16:36:11,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:11,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63738676] [2022-10-16 16:36:11,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63738676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:11,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:11,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:11,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382408145] [2022-10-16 16:36:11,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:11,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:11,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:11,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:11,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:11,232 INFO L87 Difference]: Start difference. First operand 1231 states and 1883 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:12,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:12,049 INFO L93 Difference]: Finished difference Result 1863 states and 2731 transitions. [2022-10-16 16:36:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:36:12,049 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 16:36:12,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:12,059 INFO L225 Difference]: With dead ends: 1863 [2022-10-16 16:36:12,060 INFO L226 Difference]: Without dead ends: 1858 [2022-10-16 16:36:12,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:36:12,062 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 2976 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2976 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:12,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2976 Valid, 1571 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:36:12,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2022-10-16 16:36:12,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1351. [2022-10-16 16:36:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1305 states have (on average 1.58544061302682) internal successors, (2069), 1350 states have internal predecessors, (2069), 0 states have call successors, (0), 0 states 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 16:36:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2069 transitions. [2022-10-16 16:36:12,178 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2069 transitions. Word has length 81 [2022-10-16 16:36:12,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:12,179 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 2069 transitions. [2022-10-16 16:36:12,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2069 transitions. [2022-10-16 16:36:12,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:36:12,180 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:12,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:12,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:36:12,181 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:12,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:12,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1198380810, now seen corresponding path program 1 times [2022-10-16 16:36:12,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:12,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72552135] [2022-10-16 16:36:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:12,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:12,378 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 16:36:12,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:12,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72552135] [2022-10-16 16:36:12,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72552135] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:12,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:12,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:12,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849283939] [2022-10-16 16:36:12,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:12,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:12,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:12,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:12,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:12,381 INFO L87 Difference]: Start difference. First operand 1351 states and 2069 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:13,189 INFO L93 Difference]: Finished difference Result 1822 states and 2660 transitions. [2022-10-16 16:36:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:36:13,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:36:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:13,199 INFO L225 Difference]: With dead ends: 1822 [2022-10-16 16:36:13,199 INFO L226 Difference]: Without dead ends: 1817 [2022-10-16 16:36:13,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:36:13,202 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 2869 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:13,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 1261 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:36:13,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2022-10-16 16:36:13,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1715. [2022-10-16 16:36:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1671 states have (on average 1.5816876122082586) internal successors, (2643), 1714 states have internal predecessors, (2643), 0 states have call successors, (0), 0 states 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 16:36:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2643 transitions. [2022-10-16 16:36:13,326 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2643 transitions. Word has length 82 [2022-10-16 16:36:13,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:13,326 INFO L495 AbstractCegarLoop]: Abstraction has 1715 states and 2643 transitions. [2022-10-16 16:36:13,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2643 transitions. [2022-10-16 16:36:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:36:13,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:13,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:13,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:36:13,328 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:13,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:13,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1504900848, now seen corresponding path program 1 times [2022-10-16 16:36:13,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:13,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815017923] [2022-10-16 16:36:13,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:13,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:13,544 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 16:36:13,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:13,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815017923] [2022-10-16 16:36:13,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815017923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:13,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:13,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:36:13,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219775723] [2022-10-16 16:36:13,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:13,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:36:13,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:13,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:36:13,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:13,547 INFO L87 Difference]: Start difference. First operand 1715 states and 2643 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:14,649 INFO L93 Difference]: Finished difference Result 2467 states and 3674 transitions. [2022-10-16 16:36:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:36:14,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:36:14,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:14,664 INFO L225 Difference]: With dead ends: 2467 [2022-10-16 16:36:14,664 INFO L226 Difference]: Without dead ends: 2462 [2022-10-16 16:36:14,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:36:14,667 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 3398 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3398 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:14,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3398 Valid, 1995 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:36:14,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2022-10-16 16:36:14,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 1830. [2022-10-16 16:36:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1830 states, 1788 states have (on average 1.5743847874720358) internal successors, (2815), 1829 states have internal predecessors, (2815), 0 states have call successors, (0), 0 states 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 16:36:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2815 transitions. [2022-10-16 16:36:14,817 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2815 transitions. Word has length 83 [2022-10-16 16:36:14,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:14,817 INFO L495 AbstractCegarLoop]: Abstraction has 1830 states and 2815 transitions. [2022-10-16 16:36:14,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2815 transitions. [2022-10-16 16:36:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:36:14,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:14,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:14,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:36:14,819 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:14,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:14,820 INFO L85 PathProgramCache]: Analyzing trace with hash -592713672, now seen corresponding path program 1 times [2022-10-16 16:36:14,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:14,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482692733] [2022-10-16 16:36:14,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:14,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:15,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:15,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482692733] [2022-10-16 16:36:15,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482692733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:15,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:15,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:36:15,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053764663] [2022-10-16 16:36:15,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:15,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:36:15,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:15,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:36:15,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:15,055 INFO L87 Difference]: Start difference. First operand 1830 states and 2815 transitions. Second operand has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:16,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:16,087 INFO L93 Difference]: Finished difference Result 2421 states and 3553 transitions. [2022-10-16 16:36:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 16:36:16,088 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:36:16,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:16,101 INFO L225 Difference]: With dead ends: 2421 [2022-10-16 16:36:16,102 INFO L226 Difference]: Without dead ends: 2416 [2022-10-16 16:36:16,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:36:16,107 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 3678 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:16,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 1568 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:36:16,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2022-10-16 16:36:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2296. [2022-10-16 16:36:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 2256 states have (on average 1.56604609929078) internal successors, (3533), 2295 states have internal predecessors, (3533), 0 states have call successors, (0), 0 states 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 16:36:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3533 transitions. [2022-10-16 16:36:16,375 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3533 transitions. Word has length 84 [2022-10-16 16:36:16,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:16,376 INFO L495 AbstractCegarLoop]: Abstraction has 2296 states and 3533 transitions. [2022-10-16 16:36:16,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3533 transitions. [2022-10-16 16:36:16,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:36:16,378 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:16,378 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] [2022-10-16 16:36:16,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:36:16,379 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:16,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:16,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1194254350, now seen corresponding path program 1 times [2022-10-16 16:36:16,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:16,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665383711] [2022-10-16 16:36:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:16,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:16,602 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 16:36:16,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:16,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665383711] [2022-10-16 16:36:16,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665383711] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:16,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:16,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:36:16,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612319220] [2022-10-16 16:36:16,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:16,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:36:16,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:16,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:36:16,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:16,608 INFO L87 Difference]: Start difference. First operand 2296 states and 3533 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 16:36:18,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:18,956 INFO L93 Difference]: Finished difference Result 7707 states and 11818 transitions. [2022-10-16 16:36:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 16:36:18,957 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:36:18,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:18,989 INFO L225 Difference]: With dead ends: 7707 [2022-10-16 16:36:18,989 INFO L226 Difference]: Without dead ends: 5697 [2022-10-16 16:36:19,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=444, Invalid=1536, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 16:36:19,003 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 3949 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 3884 SdHoareTripleChecker+Invalid, 2059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:19,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 3884 Invalid, 2059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:36:19,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2022-10-16 16:36:19,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 4266. [2022-10-16 16:36:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4266 states, 4228 states have (on average 1.5588930936613057) internal successors, (6591), 4265 states have internal predecessors, (6591), 0 states have call successors, (0), 0 states 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 16:36:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4266 states to 4266 states and 6591 transitions. [2022-10-16 16:36:19,452 INFO L78 Accepts]: Start accepts. Automaton has 4266 states and 6591 transitions. Word has length 85 [2022-10-16 16:36:19,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:19,453 INFO L495 AbstractCegarLoop]: Abstraction has 4266 states and 6591 transitions. [2022-10-16 16:36:19,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 16:36:19,453 INFO L276 IsEmpty]: Start isEmpty. Operand 4266 states and 6591 transitions. [2022-10-16 16:36:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:36:19,455 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:19,456 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] [2022-10-16 16:36:19,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:36:19,456 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:19,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:19,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1632821114, now seen corresponding path program 1 times [2022-10-16 16:36:19,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:19,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87150825] [2022-10-16 16:36:19,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:19,744 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 16:36:19,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:19,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87150825] [2022-10-16 16:36:19,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87150825] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:19,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:19,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:36:19,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331815937] [2022-10-16 16:36:19,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:19,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 16:36:19,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:19,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 16:36:19,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:19,747 INFO L87 Difference]: Start difference. First operand 4266 states and 6591 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 16:36:21,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:21,956 INFO L93 Difference]: Finished difference Result 6365 states and 9566 transitions. [2022-10-16 16:36:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 16:36:21,957 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 16:36:21,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:21,989 INFO L225 Difference]: With dead ends: 6365 [2022-10-16 16:36:21,989 INFO L226 Difference]: Without dead ends: 6360 [2022-10-16 16:36:21,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=1171, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 16:36:21,993 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 4659 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4659 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:21,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4659 Valid, 2392 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:36:22,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6360 states. [2022-10-16 16:36:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6360 to 6120. [2022-10-16 16:36:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6120 states, 6084 states have (on average 1.5552268244575937) internal successors, (9462), 6119 states have internal predecessors, (9462), 0 states have call successors, (0), 0 states 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 16:36:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 9462 transitions. [2022-10-16 16:36:22,660 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 9462 transitions. Word has length 86 [2022-10-16 16:36:22,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:22,661 INFO L495 AbstractCegarLoop]: Abstraction has 6120 states and 9462 transitions. [2022-10-16 16:36:22,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 16:36:22,661 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 9462 transitions. [2022-10-16 16:36:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 16:36:22,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:22,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:22,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:36:22,664 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:22,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:22,664 INFO L85 PathProgramCache]: Analyzing trace with hash 875188955, now seen corresponding path program 1 times [2022-10-16 16:36:22,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:22,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733408143] [2022-10-16 16:36:22,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:22,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:22,847 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 16:36:22,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:22,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733408143] [2022-10-16 16:36:22,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733408143] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:22,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:22,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:22,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226728990] [2022-10-16 16:36:22,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:22,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:36:22,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:22,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:36:22,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:22,850 INFO L87 Difference]: Start difference. First operand 6120 states and 9462 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:23,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:23,856 INFO L93 Difference]: Finished difference Result 7975 states and 12357 transitions. [2022-10-16 16:36:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:36:23,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-10-16 16:36:23,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:23,875 INFO L225 Difference]: With dead ends: 7975 [2022-10-16 16:36:23,875 INFO L226 Difference]: Without dead ends: 7972 [2022-10-16 16:36:23,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:23,878 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 451 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:23,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 744 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7972 states. [2022-10-16 16:36:24,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7972 to 6489. [2022-10-16 16:36:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6489 states, 6453 states have (on average 1.559894622656129) internal successors, (10066), 6488 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states 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 16:36:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6489 states to 6489 states and 10066 transitions. [2022-10-16 16:36:24,475 INFO L78 Accepts]: Start accepts. Automaton has 6489 states and 10066 transitions. Word has length 132 [2022-10-16 16:36:24,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:24,476 INFO L495 AbstractCegarLoop]: Abstraction has 6489 states and 10066 transitions. [2022-10-16 16:36:24,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 6489 states and 10066 transitions. [2022-10-16 16:36:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 16:36:24,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:24,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:24,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:36:24,480 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:24,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:24,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1006777475, now seen corresponding path program 1 times [2022-10-16 16:36:24,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:24,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360396657] [2022-10-16 16:36:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:24,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:24,652 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 16:36:24,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:24,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360396657] [2022-10-16 16:36:24,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360396657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:24,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:24,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:24,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024324843] [2022-10-16 16:36:24,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:24,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:36:24,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:24,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:36:24,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:24,655 INFO L87 Difference]: Start difference. First operand 6489 states and 10066 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:25,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:25,532 INFO L93 Difference]: Finished difference Result 8326 states and 12901 transitions. [2022-10-16 16:36:25,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:36:25,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-10-16 16:36:25,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:25,554 INFO L225 Difference]: With dead ends: 8326 [2022-10-16 16:36:25,554 INFO L226 Difference]: Without dead ends: 8323 [2022-10-16 16:36:25,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:25,559 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 468 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:25,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 974 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:36:25,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8323 states. [2022-10-16 16:36:26,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8323 to 8263. [2022-10-16 16:36:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8263 states, 8227 states have (on average 1.5670353713382763) internal successors, (12892), 8262 states have internal predecessors, (12892), 0 states have call successors, (0), 0 states 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 16:36:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8263 states to 8263 states and 12892 transitions. [2022-10-16 16:36:26,282 INFO L78 Accepts]: Start accepts. Automaton has 8263 states and 12892 transitions. Word has length 132 [2022-10-16 16:36:26,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:26,283 INFO L495 AbstractCegarLoop]: Abstraction has 8263 states and 12892 transitions. [2022-10-16 16:36:26,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 8263 states and 12892 transitions. [2022-10-16 16:36:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 16:36:26,285 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:26,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:26,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:36:26,286 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:26,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:26,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1145331090, now seen corresponding path program 1 times [2022-10-16 16:36:26,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:26,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252313365] [2022-10-16 16:36:26,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:26,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:26,454 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 16:36:26,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:26,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252313365] [2022-10-16 16:36:26,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252313365] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:26,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:26,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:26,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493291805] [2022-10-16 16:36:26,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:26,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:36:26,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:26,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:36:26,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:26,457 INFO L87 Difference]: Start difference. First operand 8263 states and 12892 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states 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 16:36:27,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:27,151 INFO L93 Difference]: Finished difference Result 8293 states and 12892 transitions. [2022-10-16 16:36:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:36:27,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-16 16:36:27,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:27,176 INFO L225 Difference]: With dead ends: 8293 [2022-10-16 16:36:27,176 INFO L226 Difference]: Without dead ends: 8290 [2022-10-16 16:36:27,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:27,181 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 467 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:27,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 684 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:36:27,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8290 states. [2022-10-16 16:36:27,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8290 to 8260. [2022-10-16 16:36:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 8227 states have (on average 1.564847453506746) internal successors, (12874), 8259 states have internal predecessors, (12874), 0 states have call successors, (0), 0 states 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 16:36:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 12874 transitions. [2022-10-16 16:36:27,998 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 12874 transitions. Word has length 133 [2022-10-16 16:36:27,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:27,999 INFO L495 AbstractCegarLoop]: Abstraction has 8260 states and 12874 transitions. [2022-10-16 16:36:27,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states 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 16:36:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 12874 transitions. [2022-10-16 16:36:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:36:28,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:28,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:28,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:36:28,002 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:28,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:28,003 INFO L85 PathProgramCache]: Analyzing trace with hash -756990275, now seen corresponding path program 1 times [2022-10-16 16:36:28,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:28,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945767300] [2022-10-16 16:36:28,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:28,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:28,201 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 16:36:28,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:28,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945767300] [2022-10-16 16:36:28,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945767300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:28,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:28,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:28,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84224549] [2022-10-16 16:36:28,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:28,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:28,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:28,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:28,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:28,206 INFO L87 Difference]: Start difference. First operand 8260 states and 12874 transitions. Second operand has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:29,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:29,033 INFO L93 Difference]: Finished difference Result 8689 states and 13445 transitions. [2022-10-16 16:36:29,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:29,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-10-16 16:36:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:29,056 INFO L225 Difference]: With dead ends: 8689 [2022-10-16 16:36:29,057 INFO L226 Difference]: Without dead ends: 8686 [2022-10-16 16:36:29,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:29,062 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 1251 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:29,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 899 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:29,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8686 states. [2022-10-16 16:36:29,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8686 to 8608. [2022-10-16 16:36:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8608 states, 8575 states have (on average 1.5668804664723033) internal successors, (13436), 8607 states have internal predecessors, (13436), 0 states have call successors, (0), 0 states 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 16:36:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8608 states to 8608 states and 13436 transitions. [2022-10-16 16:36:29,727 INFO L78 Accepts]: Start accepts. Automaton has 8608 states and 13436 transitions. Word has length 134 [2022-10-16 16:36:29,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:29,728 INFO L495 AbstractCegarLoop]: Abstraction has 8608 states and 13436 transitions. [2022-10-16 16:36:29,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 8608 states and 13436 transitions. [2022-10-16 16:36:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:36:29,731 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:29,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:29,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:36:29,731 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:29,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:29,732 INFO L85 PathProgramCache]: Analyzing trace with hash -263817391, now seen corresponding path program 1 times [2022-10-16 16:36:29,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:29,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533076755] [2022-10-16 16:36:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:29,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:29,939 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 16:36:29,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:29,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533076755] [2022-10-16 16:36:29,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533076755] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:29,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:29,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:29,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026914532] [2022-10-16 16:36:29,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:29,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:29,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:29,942 INFO L87 Difference]: Start difference. First operand 8608 states and 13436 transitions. Second operand has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:31,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:31,047 INFO L93 Difference]: Finished difference Result 8686 states and 13436 transitions. [2022-10-16 16:36:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:31,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-10-16 16:36:31,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:31,064 INFO L225 Difference]: With dead ends: 8686 [2022-10-16 16:36:31,064 INFO L226 Difference]: Without dead ends: 8683 [2022-10-16 16:36:31,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:31,069 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 876 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:31,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1095 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:31,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8683 states. [2022-10-16 16:36:31,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8683 to 8608. [2022-10-16 16:36:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8608 states, 8575 states have (on average 1.5626822157434401) internal successors, (13400), 8607 states have internal predecessors, (13400), 0 states have call successors, (0), 0 states 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 16:36:31,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8608 states to 8608 states and 13400 transitions. [2022-10-16 16:36:31,969 INFO L78 Accepts]: Start accepts. Automaton has 8608 states and 13400 transitions. Word has length 134 [2022-10-16 16:36:31,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:31,969 INFO L495 AbstractCegarLoop]: Abstraction has 8608 states and 13400 transitions. [2022-10-16 16:36:31,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8608 states and 13400 transitions. [2022-10-16 16:36:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:36:31,973 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:31,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:31,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:36:31,973 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:31,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:31,974 INFO L85 PathProgramCache]: Analyzing trace with hash -632505468, now seen corresponding path program 1 times [2022-10-16 16:36:31,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:31,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150190136] [2022-10-16 16:36:31,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:31,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:32,147 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 16:36:32,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:32,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150190136] [2022-10-16 16:36:32,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150190136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:32,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:32,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:36:32,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285598687] [2022-10-16 16:36:32,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:32,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:36:32,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:32,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:36:32,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:32,149 INFO L87 Difference]: Start difference. First operand 8608 states and 13400 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:33,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:33,031 INFO L93 Difference]: Finished difference Result 9019 states and 13980 transitions. [2022-10-16 16:36:33,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:36:33,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-10-16 16:36:33,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:33,048 INFO L225 Difference]: With dead ends: 9019 [2022-10-16 16:36:33,048 INFO L226 Difference]: Without dead ends: 9016 [2022-10-16 16:36:33,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:36:33,051 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 439 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:33,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1352 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:36:33,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9016 states. [2022-10-16 16:36:33,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9016 to 8608. [2022-10-16 16:36:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8608 states, 8575 states have (on average 1.5574344023323614) internal successors, (13355), 8607 states have internal predecessors, (13355), 0 states have call successors, (0), 0 states 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 16:36:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8608 states to 8608 states and 13355 transitions. [2022-10-16 16:36:33,747 INFO L78 Accepts]: Start accepts. Automaton has 8608 states and 13355 transitions. Word has length 134 [2022-10-16 16:36:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:33,748 INFO L495 AbstractCegarLoop]: Abstraction has 8608 states and 13355 transitions. [2022-10-16 16:36:33,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 8608 states and 13355 transitions. [2022-10-16 16:36:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:36:33,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:33,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:33,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:36:33,751 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:33,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:33,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1145525861, now seen corresponding path program 1 times [2022-10-16 16:36:33,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:33,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166093224] [2022-10-16 16:36:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:33,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:33,932 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 16:36:33,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:33,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166093224] [2022-10-16 16:36:33,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166093224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:33,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:33,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:33,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959670567] [2022-10-16 16:36:33,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:33,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:33,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:33,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:33,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:33,935 INFO L87 Difference]: Start difference. First operand 8608 states and 13355 transitions. Second operand has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:34,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:34,896 INFO L93 Difference]: Finished difference Result 9401 states and 14522 transitions. [2022-10-16 16:36:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:34,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-10-16 16:36:34,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:34,914 INFO L225 Difference]: With dead ends: 9401 [2022-10-16 16:36:34,915 INFO L226 Difference]: Without dead ends: 9398 [2022-10-16 16:36:34,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:34,920 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1010 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:34,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 1274 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2022-10-16 16:36:35,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 8972. [2022-10-16 16:36:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8972 states, 8939 states have (on average 1.5596822910840138) internal successors, (13942), 8971 states have internal predecessors, (13942), 0 states have call successors, (0), 0 states 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 16:36:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 13942 transitions. [2022-10-16 16:36:35,602 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 13942 transitions. Word has length 134 [2022-10-16 16:36:35,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:35,602 INFO L495 AbstractCegarLoop]: Abstraction has 8972 states and 13942 transitions. [2022-10-16 16:36:35,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 13942 transitions. [2022-10-16 16:36:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:36:35,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:35,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:35,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:36:35,606 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:35,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:35,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1991861604, now seen corresponding path program 1 times [2022-10-16 16:36:35,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:35,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264511101] [2022-10-16 16:36:35,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:35,799 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 16:36:35,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:35,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264511101] [2022-10-16 16:36:35,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264511101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:35,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:35,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:35,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299310141] [2022-10-16 16:36:35,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:35,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:35,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:35,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:35,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:35,802 INFO L87 Difference]: Start difference. First operand 8972 states and 13942 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:36,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:36,951 INFO L93 Difference]: Finished difference Result 11471 states and 17858 transitions. [2022-10-16 16:36:36,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:36,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-16 16:36:36,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:36,966 INFO L225 Difference]: With dead ends: 11471 [2022-10-16 16:36:36,966 INFO L226 Difference]: Without dead ends: 11468 [2022-10-16 16:36:36,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:36,971 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1155 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:36,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 742 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:36,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11468 states. [2022-10-16 16:36:37,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11468 to 10016. [2022-10-16 16:36:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10016 states, 9983 states have (on average 1.5663628167885406) internal successors, (15637), 10015 states have internal predecessors, (15637), 0 states have call successors, (0), 0 states 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 16:36:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 15637 transitions. [2022-10-16 16:36:37,835 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 15637 transitions. Word has length 135 [2022-10-16 16:36:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:37,835 INFO L495 AbstractCegarLoop]: Abstraction has 10016 states and 15637 transitions. [2022-10-16 16:36:37,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 15637 transitions. [2022-10-16 16:36:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:36:37,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:37,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:37,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:36:37,838 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:37,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:37,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1151563764, now seen corresponding path program 1 times [2022-10-16 16:36:37,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:37,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562946854] [2022-10-16 16:36:37,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:37,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:38,051 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 16:36:38,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:38,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562946854] [2022-10-16 16:36:38,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562946854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:38,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:38,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:38,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141650925] [2022-10-16 16:36:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:38,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:38,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:38,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:38,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:38,054 INFO L87 Difference]: Start difference. First operand 10016 states and 15637 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:39,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:39,060 INFO L93 Difference]: Finished difference Result 11474 states and 17939 transitions. [2022-10-16 16:36:39,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:39,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2022-10-16 16:36:39,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:39,073 INFO L225 Difference]: With dead ends: 11474 [2022-10-16 16:36:39,073 INFO L226 Difference]: Without dead ends: 11471 [2022-10-16 16:36:39,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:39,076 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 905 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:39,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 1046 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:39,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11471 states. [2022-10-16 16:36:39,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11471 to 11408. [2022-10-16 16:36:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11408 states, 11375 states have (on average 1.5730989010989012) internal successors, (17894), 11407 states have internal predecessors, (17894), 0 states have call successors, (0), 0 states 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 16:36:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11408 states to 11408 states and 17894 transitions. [2022-10-16 16:36:39,846 INFO L78 Accepts]: Start accepts. Automaton has 11408 states and 17894 transitions. Word has length 135 [2022-10-16 16:36:39,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:39,847 INFO L495 AbstractCegarLoop]: Abstraction has 11408 states and 17894 transitions. [2022-10-16 16:36:39,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:39,847 INFO L276 IsEmpty]: Start isEmpty. Operand 11408 states and 17894 transitions. [2022-10-16 16:36:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:36:39,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:39,852 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] [2022-10-16 16:36:39,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:36:39,852 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:39,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:39,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1618167137, now seen corresponding path program 1 times [2022-10-16 16:36:39,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:39,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608772393] [2022-10-16 16:36:39,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:39,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:40,045 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 16:36:40,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:40,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608772393] [2022-10-16 16:36:40,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608772393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:40,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:40,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:40,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350571787] [2022-10-16 16:36:40,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:40,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:40,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:40,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:40,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:40,048 INFO L87 Difference]: Start difference. First operand 11408 states and 17894 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:41,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:41,318 INFO L93 Difference]: Finished difference Result 11857 states and 18464 transitions. [2022-10-16 16:36:41,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:41,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:36:41,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:41,334 INFO L225 Difference]: With dead ends: 11857 [2022-10-16 16:36:41,334 INFO L226 Difference]: Without dead ends: 11854 [2022-10-16 16:36:41,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:41,338 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 1942 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:41,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 1077 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:41,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11854 states. [2022-10-16 16:36:42,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11854 to 11767. [2022-10-16 16:36:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11767 states, 11734 states have (on average 1.572779955684336) internal successors, (18455), 11766 states have internal predecessors, (18455), 0 states have call successors, (0), 0 states 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 16:36:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11767 states to 11767 states and 18455 transitions. [2022-10-16 16:36:42,225 INFO L78 Accepts]: Start accepts. Automaton has 11767 states and 18455 transitions. Word has length 136 [2022-10-16 16:36:42,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:42,226 INFO L495 AbstractCegarLoop]: Abstraction has 11767 states and 18455 transitions. [2022-10-16 16:36:42,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 11767 states and 18455 transitions. [2022-10-16 16:36:42,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:36:42,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:42,228 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] [2022-10-16 16:36:42,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:36:42,228 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:42,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:42,229 INFO L85 PathProgramCache]: Analyzing trace with hash -416117742, now seen corresponding path program 1 times [2022-10-16 16:36:42,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:42,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424738693] [2022-10-16 16:36:42,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:42,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:42,422 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 16:36:42,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:42,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424738693] [2022-10-16 16:36:42,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424738693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:42,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:42,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:42,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33858148] [2022-10-16 16:36:42,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:42,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:42,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:42,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:42,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:42,425 INFO L87 Difference]: Start difference. First operand 11767 states and 18455 transitions. Second operand has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:43,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:43,402 INFO L93 Difference]: Finished difference Result 12193 states and 19017 transitions. [2022-10-16 16:36:43,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:43,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:36:43,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:43,416 INFO L225 Difference]: With dead ends: 12193 [2022-10-16 16:36:43,417 INFO L226 Difference]: Without dead ends: 12190 [2022-10-16 16:36:43,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:43,423 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 779 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:43,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 1043 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:43,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12190 states. [2022-10-16 16:36:44,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12190 to 11767. [2022-10-16 16:36:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11767 states, 11734 states have (on average 1.5697119481847623) internal successors, (18419), 11766 states have internal predecessors, (18419), 0 states have call successors, (0), 0 states 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 16:36:44,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11767 states to 11767 states and 18419 transitions. [2022-10-16 16:36:44,249 INFO L78 Accepts]: Start accepts. Automaton has 11767 states and 18419 transitions. Word has length 136 [2022-10-16 16:36:44,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:44,249 INFO L495 AbstractCegarLoop]: Abstraction has 11767 states and 18419 transitions. [2022-10-16 16:36:44,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 11767 states and 18419 transitions. [2022-10-16 16:36:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:36:44,251 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:44,251 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] [2022-10-16 16:36:44,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:36:44,252 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:44,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:44,252 INFO L85 PathProgramCache]: Analyzing trace with hash -473361485, now seen corresponding path program 1 times [2022-10-16 16:36:44,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:44,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874800608] [2022-10-16 16:36:44,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:44,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:44,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:44,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874800608] [2022-10-16 16:36:44,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874800608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:44,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:44,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:44,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470920171] [2022-10-16 16:36:44,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:44,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:44,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:44,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:44,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:44,478 INFO L87 Difference]: Start difference. First operand 11767 states and 18419 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:45,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:45,685 INFO L93 Difference]: Finished difference Result 11854 states and 18419 transitions. [2022-10-16 16:36:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:36:45,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:36:45,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:45,702 INFO L225 Difference]: With dead ends: 11854 [2022-10-16 16:36:45,702 INFO L226 Difference]: Without dead ends: 11851 [2022-10-16 16:36:45,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:45,706 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 1396 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:45,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 1394 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:45,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11851 states. [2022-10-16 16:36:46,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11851 to 11767. [2022-10-16 16:36:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11767 states, 11734 states have (on average 1.5674109425600817) internal successors, (18392), 11766 states have internal predecessors, (18392), 0 states have call successors, (0), 0 states 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 16:36:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11767 states to 11767 states and 18392 transitions. [2022-10-16 16:36:46,518 INFO L78 Accepts]: Start accepts. Automaton has 11767 states and 18392 transitions. Word has length 136 [2022-10-16 16:36:46,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:46,519 INFO L495 AbstractCegarLoop]: Abstraction has 11767 states and 18392 transitions. [2022-10-16 16:36:46,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 11767 states and 18392 transitions. [2022-10-16 16:36:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:36:46,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:46,521 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] [2022-10-16 16:36:46,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:36:46,522 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:46,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:46,522 INFO L85 PathProgramCache]: Analyzing trace with hash -125428173, now seen corresponding path program 1 times [2022-10-16 16:36:46,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:46,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994048645] [2022-10-16 16:36:46,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:46,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:46,738 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 16:36:46,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:46,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994048645] [2022-10-16 16:36:46,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994048645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:46,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:46,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:46,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849879772] [2022-10-16 16:36:46,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:46,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:46,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:46,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:46,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:46,741 INFO L87 Difference]: Start difference. First operand 11767 states and 18392 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:48,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:48,045 INFO L93 Difference]: Finished difference Result 12205 states and 18945 transitions. [2022-10-16 16:36:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:48,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:36:48,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:48,057 INFO L225 Difference]: With dead ends: 12205 [2022-10-16 16:36:48,057 INFO L226 Difference]: Without dead ends: 12202 [2022-10-16 16:36:48,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:48,060 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 1387 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1387 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:48,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1387 Valid, 1506 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12202 states. [2022-10-16 16:36:48,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12202 to 12115. [2022-10-16 16:36:48,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12115 states, 12082 states have (on average 1.567290183744413) internal successors, (18936), 12114 states have internal predecessors, (18936), 0 states have call successors, (0), 0 states 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 16:36:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12115 states to 12115 states and 18936 transitions. [2022-10-16 16:36:48,835 INFO L78 Accepts]: Start accepts. Automaton has 12115 states and 18936 transitions. Word has length 136 [2022-10-16 16:36:48,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:48,835 INFO L495 AbstractCegarLoop]: Abstraction has 12115 states and 18936 transitions. [2022-10-16 16:36:48,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand 12115 states and 18936 transitions. [2022-10-16 16:36:48,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:36:48,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:48,837 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] [2022-10-16 16:36:48,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:36:48,837 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:48,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:48,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2047615270, now seen corresponding path program 1 times [2022-10-16 16:36:48,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:48,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028819459] [2022-10-16 16:36:48,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:48,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:49,018 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 16:36:49,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:49,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028819459] [2022-10-16 16:36:49,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028819459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:49,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:49,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:49,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505598944] [2022-10-16 16:36:49,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:49,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:49,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:49,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:49,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:49,021 INFO L87 Difference]: Start difference. First operand 12115 states and 18936 transitions. Second operand has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:50,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:50,175 INFO L93 Difference]: Finished difference Result 13594 states and 21211 transitions. [2022-10-16 16:36:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:50,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:36:50,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:50,190 INFO L225 Difference]: With dead ends: 13594 [2022-10-16 16:36:50,191 INFO L226 Difference]: Without dead ends: 13591 [2022-10-16 16:36:50,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:50,195 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 687 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:50,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 1418 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:50,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13591 states. [2022-10-16 16:36:51,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13591 to 13507. [2022-10-16 16:36:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13507 states, 13474 states have (on average 1.5728811043491169) internal successors, (21193), 13506 states have internal predecessors, (21193), 0 states have call successors, (0), 0 states 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 16:36:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13507 states to 13507 states and 21193 transitions. [2022-10-16 16:36:51,112 INFO L78 Accepts]: Start accepts. Automaton has 13507 states and 21193 transitions. Word has length 136 [2022-10-16 16:36:51,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:51,113 INFO L495 AbstractCegarLoop]: Abstraction has 13507 states and 21193 transitions. [2022-10-16 16:36:51,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 13507 states and 21193 transitions. [2022-10-16 16:36:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:36:51,115 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:51,115 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] [2022-10-16 16:36:51,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:36:51,115 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:51,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:51,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1338738759, now seen corresponding path program 1 times [2022-10-16 16:36:51,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:51,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243951302] [2022-10-16 16:36:51,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:51,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:51,300 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 16:36:51,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:51,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243951302] [2022-10-16 16:36:51,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243951302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:51,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:51,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:51,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682689664] [2022-10-16 16:36:51,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:51,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:51,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:51,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:51,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:51,303 INFO L87 Difference]: Start difference. First operand 13507 states and 21193 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:52,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:52,607 INFO L93 Difference]: Finished difference Result 14652 states and 22887 transitions. [2022-10-16 16:36:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:52,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:36:52,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:52,625 INFO L225 Difference]: With dead ends: 14652 [2022-10-16 16:36:52,625 INFO L226 Difference]: Without dead ends: 14649 [2022-10-16 16:36:52,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:52,630 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 1711 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:52,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1711 Valid, 1570 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:52,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14649 states. [2022-10-16 16:36:53,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14649 to 13866. [2022-10-16 16:36:53,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13866 states, 13833 states have (on average 1.5726162076194607) internal successors, (21754), 13865 states have internal predecessors, (21754), 0 states have call successors, (0), 0 states 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 16:36:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13866 states to 13866 states and 21754 transitions. [2022-10-16 16:36:53,572 INFO L78 Accepts]: Start accepts. Automaton has 13866 states and 21754 transitions. Word has length 136 [2022-10-16 16:36:53,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:53,572 INFO L495 AbstractCegarLoop]: Abstraction has 13866 states and 21754 transitions. [2022-10-16 16:36:53,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 13866 states and 21754 transitions. [2022-10-16 16:36:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:36:53,574 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:53,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:36:53,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:36:53,575 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:53,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:53,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1754179142, now seen corresponding path program 1 times [2022-10-16 16:36:53,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:53,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201312675] [2022-10-16 16:36:53,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:53,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:53,746 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 16:36:53,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:53,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201312675] [2022-10-16 16:36:53,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201312675] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:53,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:53,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:36:53,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209547550] [2022-10-16 16:36:53,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:53,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:36:53,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:53,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:36:53,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:53,749 INFO L87 Difference]: Start difference. First operand 13866 states and 21754 transitions. Second operand has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:54,958 INFO L93 Difference]: Finished difference Result 14988 states and 23440 transitions. [2022-10-16 16:36:54,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:36:54,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:36:54,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:54,979 INFO L225 Difference]: With dead ends: 14988 [2022-10-16 16:36:54,979 INFO L226 Difference]: Without dead ends: 14985 [2022-10-16 16:36:54,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:36:54,985 INFO L413 NwaCegarLoop]: 710 mSDtfsCounter, 663 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:54,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1279 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:54,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14985 states. [2022-10-16 16:36:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14985 to 14910. [2022-10-16 16:36:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14910 states, 14877 states have (on average 1.574376554412852) internal successors, (23422), 14909 states have internal predecessors, (23422), 0 states have call successors, (0), 0 states 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 16:36:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14910 states to 14910 states and 23422 transitions. [2022-10-16 16:36:55,905 INFO L78 Accepts]: Start accepts. Automaton has 14910 states and 23422 transitions. Word has length 136 [2022-10-16 16:36:55,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:55,905 INFO L495 AbstractCegarLoop]: Abstraction has 14910 states and 23422 transitions. [2022-10-16 16:36:55,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.0) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states 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 16:36:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 14910 states and 23422 transitions. [2022-10-16 16:36:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:36:55,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:55,908 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] [2022-10-16 16:36:55,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:36:55,908 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:55,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:55,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1376426750, now seen corresponding path program 1 times [2022-10-16 16:36:55,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:55,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137253805] [2022-10-16 16:36:55,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:55,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:56,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:36:56,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:56,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137253805] [2022-10-16 16:36:56,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137253805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:56,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:56,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:56,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624910050] [2022-10-16 16:36:56,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:56,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:56,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:56,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:56,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:56,091 INFO L87 Difference]: Start difference. First operand 14910 states and 23422 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 16:36:57,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:57,560 INFO L93 Difference]: Finished difference Result 18842 states and 29630 transitions. [2022-10-16 16:36:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:36:57,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:36:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:57,582 INFO L225 Difference]: With dead ends: 18842 [2022-10-16 16:36:57,582 INFO L226 Difference]: Without dead ends: 18839 [2022-10-16 16:36:57,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:36:57,590 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 2021 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:57,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 909 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:36:57,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18839 states. [2022-10-16 16:36:58,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18839 to 18749. [2022-10-16 16:36:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18749 states, 18716 states have (on average 1.580733062620218) internal successors, (29585), 18748 states have internal predecessors, (29585), 0 states have call successors, (0), 0 states 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 16:36:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18749 states to 18749 states and 29585 transitions. [2022-10-16 16:36:58,823 INFO L78 Accepts]: Start accepts. Automaton has 18749 states and 29585 transitions. Word has length 137 [2022-10-16 16:36:58,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:58,824 INFO L495 AbstractCegarLoop]: Abstraction has 18749 states and 29585 transitions. [2022-10-16 16:36:58,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 16:36:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 18749 states and 29585 transitions. [2022-10-16 16:36:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:36:58,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:58,826 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] [2022-10-16 16:36:58,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:36:58,826 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:36:58,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:58,827 INFO L85 PathProgramCache]: Analyzing trace with hash 406694378, now seen corresponding path program 1 times [2022-10-16 16:36:58,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:58,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59122202] [2022-10-16 16:36:58,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:58,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:59,013 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 16:36:59,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:59,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59122202] [2022-10-16 16:36:59,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59122202] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:59,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:59,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:59,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004081105] [2022-10-16 16:36:59,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:59,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:59,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:59,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:59,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:59,016 INFO L87 Difference]: Start difference. First operand 18749 states and 29585 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 16:37:00,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:00,927 INFO L93 Difference]: Finished difference Result 23719 states and 37281 transitions. [2022-10-16 16:37:00,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:00,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:37:00,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:00,955 INFO L225 Difference]: With dead ends: 23719 [2022-10-16 16:37:00,956 INFO L226 Difference]: Without dead ends: 23716 [2022-10-16 16:37:00,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:00,963 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 1550 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1550 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:00,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1550 Valid, 1196 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:00,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23716 states. [2022-10-16 16:37:02,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23716 to 21544. [2022-10-16 16:37:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21544 states, 21511 states have (on average 1.5809585793315049) internal successors, (34008), 21543 states have internal predecessors, (34008), 0 states have call successors, (0), 0 states 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 16:37:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21544 states to 21544 states and 34008 transitions. [2022-10-16 16:37:02,456 INFO L78 Accepts]: Start accepts. Automaton has 21544 states and 34008 transitions. Word has length 137 [2022-10-16 16:37:02,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:02,456 INFO L495 AbstractCegarLoop]: Abstraction has 21544 states and 34008 transitions. [2022-10-16 16:37:02,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 16:37:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 21544 states and 34008 transitions. [2022-10-16 16:37:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:37:02,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:02,458 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] [2022-10-16 16:37:02,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:37:02,458 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:02,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:02,459 INFO L85 PathProgramCache]: Analyzing trace with hash -948435629, now seen corresponding path program 1 times [2022-10-16 16:37:02,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:02,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209801435] [2022-10-16 16:37:02,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:02,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:02,623 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 16:37:02,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:02,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209801435] [2022-10-16 16:37:02,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209801435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:02,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:02,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:02,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95839169] [2022-10-16 16:37:02,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:02,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:02,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:02,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:02,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:02,626 INFO L87 Difference]: Start difference. First operand 21544 states and 34008 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 16:37:04,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:04,413 INFO L93 Difference]: Finished difference Result 21601 states and 34008 transitions. [2022-10-16 16:37:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:04,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:37:04,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:04,439 INFO L225 Difference]: With dead ends: 21601 [2022-10-16 16:37:04,439 INFO L226 Difference]: Without dead ends: 21598 [2022-10-16 16:37:04,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:04,446 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 686 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:04,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1260 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:04,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21598 states. [2022-10-16 16:37:05,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21598 to 20500. [2022-10-16 16:37:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20500 states, 20467 states have (on average 1.575707236038501) internal successors, (32250), 20499 states have internal predecessors, (32250), 0 states have call successors, (0), 0 states 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 16:37:06,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20500 states to 20500 states and 32250 transitions. [2022-10-16 16:37:06,009 INFO L78 Accepts]: Start accepts. Automaton has 20500 states and 32250 transitions. Word has length 137 [2022-10-16 16:37:06,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:06,010 INFO L495 AbstractCegarLoop]: Abstraction has 20500 states and 32250 transitions. [2022-10-16 16:37:06,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 16:37:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 20500 states and 32250 transitions. [2022-10-16 16:37:06,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:37:06,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:06,012 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] [2022-10-16 16:37:06,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:37:06,012 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:06,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:06,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1448770986, now seen corresponding path program 1 times [2022-10-16 16:37:06,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:06,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561256487] [2022-10-16 16:37:06,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:06,188 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 16:37:06,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:06,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561256487] [2022-10-16 16:37:06,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561256487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:06,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:06,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:06,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460040163] [2022-10-16 16:37:06,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:06,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:06,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:06,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:06,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:06,191 INFO L87 Difference]: Start difference. First operand 20500 states and 32250 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 16:37:08,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:08,114 INFO L93 Difference]: Finished difference Result 23728 states and 37308 transitions. [2022-10-16 16:37:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:08,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:37:08,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:08,156 INFO L225 Difference]: With dead ends: 23728 [2022-10-16 16:37:08,156 INFO L226 Difference]: Without dead ends: 23725 [2022-10-16 16:37:08,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:08,167 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 1449 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:08,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 1347 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:08,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23725 states. [2022-10-16 16:37:09,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23725 to 23632. [2022-10-16 16:37:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23632 states, 23599 states have (on average 1.578626212975126) internal successors, (37254), 23631 states have internal predecessors, (37254), 0 states have call successors, (0), 0 states 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 16:37:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23632 states to 23632 states and 37254 transitions. [2022-10-16 16:37:09,898 INFO L78 Accepts]: Start accepts. Automaton has 23632 states and 37254 transitions. Word has length 137 [2022-10-16 16:37:09,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:09,898 INFO L495 AbstractCegarLoop]: Abstraction has 23632 states and 37254 transitions. [2022-10-16 16:37:09,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states 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 16:37:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 23632 states and 37254 transitions. [2022-10-16 16:37:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:09,900 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:09,900 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] [2022-10-16 16:37:09,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:37:09,900 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:09,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:09,901 INFO L85 PathProgramCache]: Analyzing trace with hash -280443263, now seen corresponding path program 1 times [2022-10-16 16:37:09,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:09,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550446244] [2022-10-16 16:37:09,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:09,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:10,097 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 16:37:10,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:10,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550446244] [2022-10-16 16:37:10,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550446244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:10,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:10,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:10,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105553862] [2022-10-16 16:37:10,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:10,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:10,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:10,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:10,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:10,100 INFO L87 Difference]: Start difference. First operand 23632 states and 37254 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:12,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:12,183 INFO L93 Difference]: Finished difference Result 24079 states and 37798 transitions. [2022-10-16 16:37:12,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:37:12,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:12,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:12,214 INFO L225 Difference]: With dead ends: 24079 [2022-10-16 16:37:12,214 INFO L226 Difference]: Without dead ends: 24076 [2022-10-16 16:37:12,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:37:12,223 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 2558 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:12,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 1344 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:12,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24076 states. [2022-10-16 16:37:14,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24076 to 23986. [2022-10-16 16:37:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23986 states, 23953 states have (on average 1.5776311944224106) internal successors, (37789), 23985 states have internal predecessors, (37789), 0 states have call successors, (0), 0 states 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 16:37:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23986 states to 23986 states and 37789 transitions. [2022-10-16 16:37:14,116 INFO L78 Accepts]: Start accepts. Automaton has 23986 states and 37789 transitions. Word has length 138 [2022-10-16 16:37:14,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:14,117 INFO L495 AbstractCegarLoop]: Abstraction has 23986 states and 37789 transitions. [2022-10-16 16:37:14,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:14,117 INFO L276 IsEmpty]: Start isEmpty. Operand 23986 states and 37789 transitions. [2022-10-16 16:37:14,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:14,119 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:14,119 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] [2022-10-16 16:37:14,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:37:14,119 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:14,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:14,120 INFO L85 PathProgramCache]: Analyzing trace with hash -805110732, now seen corresponding path program 1 times [2022-10-16 16:37:14,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:14,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504470578] [2022-10-16 16:37:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:14,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:14,337 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 16:37:14,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:14,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504470578] [2022-10-16 16:37:14,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504470578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:14,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:14,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:14,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169941512] [2022-10-16 16:37:14,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:14,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:14,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:14,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:14,339 INFO L87 Difference]: Start difference. First operand 23986 states and 37789 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:16,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:16,442 INFO L93 Difference]: Finished difference Result 24421 states and 38333 transitions. [2022-10-16 16:37:16,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:16,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:16,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:16,469 INFO L225 Difference]: With dead ends: 24421 [2022-10-16 16:37:16,469 INFO L226 Difference]: Without dead ends: 24418 [2022-10-16 16:37:16,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:16,475 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 1406 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:16,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 1338 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:16,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24418 states. [2022-10-16 16:37:18,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24418 to 23986. [2022-10-16 16:37:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23986 states, 23953 states have (on average 1.5772554586064376) internal successors, (37780), 23985 states have internal predecessors, (37780), 0 states have call successors, (0), 0 states 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 16:37:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23986 states to 23986 states and 37780 transitions. [2022-10-16 16:37:18,214 INFO L78 Accepts]: Start accepts. Automaton has 23986 states and 37780 transitions. Word has length 138 [2022-10-16 16:37:18,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:18,214 INFO L495 AbstractCegarLoop]: Abstraction has 23986 states and 37780 transitions. [2022-10-16 16:37:18,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:18,214 INFO L276 IsEmpty]: Start isEmpty. Operand 23986 states and 37780 transitions. [2022-10-16 16:37:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:18,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:18,216 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] [2022-10-16 16:37:18,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:37:18,216 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:18,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:18,217 INFO L85 PathProgramCache]: Analyzing trace with hash -457177420, now seen corresponding path program 1 times [2022-10-16 16:37:18,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:18,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661510068] [2022-10-16 16:37:18,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:18,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:18,395 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 16:37:18,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:18,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661510068] [2022-10-16 16:37:18,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661510068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:18,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:18,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:18,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992634830] [2022-10-16 16:37:18,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:18,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:18,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:18,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:18,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:18,397 INFO L87 Difference]: Start difference. First operand 23986 states and 37780 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:20,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:20,436 INFO L93 Difference]: Finished difference Result 25474 states and 39983 transitions. [2022-10-16 16:37:20,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:20,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:20,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:20,465 INFO L225 Difference]: With dead ends: 25474 [2022-10-16 16:37:20,465 INFO L226 Difference]: Without dead ends: 25471 [2022-10-16 16:37:20,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:20,470 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 1300 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:20,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 1213 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:20,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25471 states. [2022-10-16 16:37:22,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25471 to 25378. [2022-10-16 16:37:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25378 states, 25345 states have (on average 1.5768396133359637) internal successors, (39965), 25377 states have internal predecessors, (39965), 0 states have call successors, (0), 0 states 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 16:37:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25378 states to 25378 states and 39965 transitions. [2022-10-16 16:37:22,412 INFO L78 Accepts]: Start accepts. Automaton has 25378 states and 39965 transitions. Word has length 138 [2022-10-16 16:37:22,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:22,413 INFO L495 AbstractCegarLoop]: Abstraction has 25378 states and 39965 transitions. [2022-10-16 16:37:22,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 25378 states and 39965 transitions. [2022-10-16 16:37:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:22,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:22,416 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] [2022-10-16 16:37:22,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:37:22,416 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:22,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:22,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1822528001, now seen corresponding path program 1 times [2022-10-16 16:37:22,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:22,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097866100] [2022-10-16 16:37:22,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:22,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:22,625 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 16:37:22,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:22,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097866100] [2022-10-16 16:37:22,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097866100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:22,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:22,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:22,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582722534] [2022-10-16 16:37:22,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:22,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:22,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:22,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:22,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:22,628 INFO L87 Difference]: Start difference. First operand 25378 states and 39965 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:24,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:24,819 INFO L93 Difference]: Finished difference Result 25468 states and 39965 transitions. [2022-10-16 16:37:24,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:37:24,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:24,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:24,846 INFO L225 Difference]: With dead ends: 25468 [2022-10-16 16:37:24,847 INFO L226 Difference]: Without dead ends: 25465 [2022-10-16 16:37:24,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:37:24,852 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2298 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2298 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:24,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2298 Valid, 1695 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:24,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25465 states. [2022-10-16 16:37:26,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25465 to 25378. [2022-10-16 16:37:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25378 states, 25345 states have (on average 1.5761294140856186) internal successors, (39947), 25377 states have internal predecessors, (39947), 0 states have call successors, (0), 0 states 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 16:37:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25378 states to 25378 states and 39947 transitions. [2022-10-16 16:37:26,704 INFO L78 Accepts]: Start accepts. Automaton has 25378 states and 39947 transitions. Word has length 138 [2022-10-16 16:37:26,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:26,704 INFO L495 AbstractCegarLoop]: Abstraction has 25378 states and 39947 transitions. [2022-10-16 16:37:26,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 25378 states and 39947 transitions. [2022-10-16 16:37:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:26,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:26,706 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] [2022-10-16 16:37:26,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:37:26,706 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:26,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:26,707 INFO L85 PathProgramCache]: Analyzing trace with hash 366160533, now seen corresponding path program 1 times [2022-10-16 16:37:26,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:26,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231630388] [2022-10-16 16:37:26,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:26,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:26,889 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 16:37:26,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:26,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231630388] [2022-10-16 16:37:26,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231630388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:26,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:26,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:26,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837364336] [2022-10-16 16:37:26,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:26,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:26,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:26,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:26,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:26,892 INFO L87 Difference]: Start difference. First operand 25378 states and 39947 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:29,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:29,170 INFO L93 Difference]: Finished difference Result 25819 states and 40482 transitions. [2022-10-16 16:37:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:37:29,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:29,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:29,198 INFO L225 Difference]: With dead ends: 25819 [2022-10-16 16:37:29,198 INFO L226 Difference]: Without dead ends: 25816 [2022-10-16 16:37:29,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:37:29,204 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 1841 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:29,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 2005 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:37:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25816 states. [2022-10-16 16:37:31,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25816 to 25726. [2022-10-16 16:37:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25726 states, 25693 states have (on average 1.5752539602226288) internal successors, (40473), 25725 states have internal predecessors, (40473), 0 states have call successors, (0), 0 states 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 16:37:31,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25726 states to 25726 states and 40473 transitions. [2022-10-16 16:37:31,118 INFO L78 Accepts]: Start accepts. Automaton has 25726 states and 40473 transitions. Word has length 138 [2022-10-16 16:37:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:31,119 INFO L495 AbstractCegarLoop]: Abstraction has 25726 states and 40473 transitions. [2022-10-16 16:37:31,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 25726 states and 40473 transitions. [2022-10-16 16:37:31,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:31,120 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:31,120 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] [2022-10-16 16:37:31,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:37:31,121 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:31,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:31,121 INFO L85 PathProgramCache]: Analyzing trace with hash -277375723, now seen corresponding path program 1 times [2022-10-16 16:37:31,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:31,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560497492] [2022-10-16 16:37:31,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:31,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:31,300 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 16:37:31,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:31,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560497492] [2022-10-16 16:37:31,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560497492] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:31,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:31,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:31,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73594258] [2022-10-16 16:37:31,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:31,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:31,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:31,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:31,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:31,303 INFO L87 Difference]: Start difference. First operand 25726 states and 40473 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:33,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:33,611 INFO L93 Difference]: Finished difference Result 26173 states and 41017 transitions. [2022-10-16 16:37:33,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:37:33,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:33,639 INFO L225 Difference]: With dead ends: 26173 [2022-10-16 16:37:33,640 INFO L226 Difference]: Without dead ends: 26170 [2022-10-16 16:37:33,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:37:33,644 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 1837 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 1798 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:33,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1837 Valid, 1798 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:33,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26170 states. [2022-10-16 16:37:35,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26170 to 26080. [2022-10-16 16:37:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26080 states, 26047 states have (on average 1.5743847659999233) internal successors, (41008), 26079 states have internal predecessors, (41008), 0 states have call successors, (0), 0 states 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 16:37:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26080 states to 26080 states and 41008 transitions. [2022-10-16 16:37:35,416 INFO L78 Accepts]: Start accepts. Automaton has 26080 states and 41008 transitions. Word has length 138 [2022-10-16 16:37:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:35,416 INFO L495 AbstractCegarLoop]: Abstraction has 26080 states and 41008 transitions. [2022-10-16 16:37:35,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 26080 states and 41008 transitions. [2022-10-16 16:37:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:35,418 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:35,418 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] [2022-10-16 16:37:35,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:37:35,419 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:35,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:35,419 INFO L85 PathProgramCache]: Analyzing trace with hash -802043192, now seen corresponding path program 1 times [2022-10-16 16:37:35,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:35,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704683683] [2022-10-16 16:37:35,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:35,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:35,674 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 16:37:35,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:35,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704683683] [2022-10-16 16:37:35,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704683683] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:35,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:35,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:35,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273394999] [2022-10-16 16:37:35,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:35,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:35,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:35,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:35,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:35,678 INFO L87 Difference]: Start difference. First operand 26080 states and 41008 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:37,794 INFO L93 Difference]: Finished difference Result 26515 states and 41552 transitions. [2022-10-16 16:37:37,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:37,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:37,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:37,830 INFO L225 Difference]: With dead ends: 26515 [2022-10-16 16:37:37,830 INFO L226 Difference]: Without dead ends: 26512 [2022-10-16 16:37:37,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:37,839 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 1059 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:37,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 1385 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:37,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26512 states. [2022-10-16 16:37:39,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26512 to 26428. [2022-10-16 16:37:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26428 states, 26395 states have (on average 1.572873650312559) internal successors, (41516), 26427 states have internal predecessors, (41516), 0 states have call successors, (0), 0 states 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 16:37:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26428 states to 26428 states and 41516 transitions. [2022-10-16 16:37:39,787 INFO L78 Accepts]: Start accepts. Automaton has 26428 states and 41516 transitions. Word has length 138 [2022-10-16 16:37:39,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:39,787 INFO L495 AbstractCegarLoop]: Abstraction has 26428 states and 41516 transitions. [2022-10-16 16:37:39,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 26428 states and 41516 transitions. [2022-10-16 16:37:39,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:39,790 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:39,790 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] [2022-10-16 16:37:39,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:37:39,790 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:39,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:39,791 INFO L85 PathProgramCache]: Analyzing trace with hash 663267016, now seen corresponding path program 1 times [2022-10-16 16:37:39,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:39,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258019754] [2022-10-16 16:37:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:39,946 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 16:37:39,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:39,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258019754] [2022-10-16 16:37:39,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258019754] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:39,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:39,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:39,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585840886] [2022-10-16 16:37:39,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:39,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:39,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:39,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:39,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:39,949 INFO L87 Difference]: Start difference. First operand 26428 states and 41516 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:42,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:42,328 INFO L93 Difference]: Finished difference Result 27580 states and 43202 transitions. [2022-10-16 16:37:42,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:42,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:42,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:42,362 INFO L225 Difference]: With dead ends: 27580 [2022-10-16 16:37:42,362 INFO L226 Difference]: Without dead ends: 27577 [2022-10-16 16:37:42,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:42,372 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 1233 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:42,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 1579 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:37:42,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2022-10-16 16:37:44,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27472. [2022-10-16 16:37:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27472 states, 27439 states have (on average 1.573818287838478) internal successors, (43184), 27471 states have internal predecessors, (43184), 0 states have call successors, (0), 0 states 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 16:37:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27472 states to 27472 states and 43184 transitions. [2022-10-16 16:37:44,365 INFO L78 Accepts]: Start accepts. Automaton has 27472 states and 43184 transitions. Word has length 138 [2022-10-16 16:37:44,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:44,366 INFO L495 AbstractCegarLoop]: Abstraction has 27472 states and 43184 transitions. [2022-10-16 16:37:44,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 27472 states and 43184 transitions. [2022-10-16 16:37:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:44,368 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:44,368 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] [2022-10-16 16:37:44,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:37:44,368 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:44,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:44,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1865316411, now seen corresponding path program 1 times [2022-10-16 16:37:44,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:44,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086760586] [2022-10-16 16:37:44,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:44,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:44,511 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 16:37:44,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:44,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086760586] [2022-10-16 16:37:44,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086760586] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:44,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:44,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:37:44,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609878799] [2022-10-16 16:37:44,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:44,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:37:44,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:44,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:37:44,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:44,513 INFO L87 Difference]: Start difference. First operand 27472 states and 43184 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:46,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:46,819 INFO L93 Difference]: Finished difference Result 29989 states and 47100 transitions. [2022-10-16 16:37:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:37:46,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:46,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:46,861 INFO L225 Difference]: With dead ends: 29989 [2022-10-16 16:37:46,861 INFO L226 Difference]: Without dead ends: 29986 [2022-10-16 16:37:46,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:37:46,873 INFO L413 NwaCegarLoop]: 818 mSDtfsCounter, 643 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:46,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1644 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:46,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29986 states. [2022-10-16 16:37:48,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29986 to 28864. [2022-10-16 16:37:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28864 states, 28831 states have (on average 1.570809198432243) internal successors, (45288), 28863 states have internal predecessors, (45288), 0 states have call successors, (0), 0 states 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 16:37:49,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28864 states to 28864 states and 45288 transitions. [2022-10-16 16:37:49,056 INFO L78 Accepts]: Start accepts. Automaton has 28864 states and 45288 transitions. Word has length 138 [2022-10-16 16:37:49,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:49,057 INFO L495 AbstractCegarLoop]: Abstraction has 28864 states and 45288 transitions. [2022-10-16 16:37:49,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 28864 states and 45288 transitions. [2022-10-16 16:37:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:49,059 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:49,059 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] [2022-10-16 16:37:49,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:37:49,059 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:49,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:49,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1962227159, now seen corresponding path program 1 times [2022-10-16 16:37:49,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:49,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109212701] [2022-10-16 16:37:49,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:49,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:49,247 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 16:37:49,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:49,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109212701] [2022-10-16 16:37:49,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109212701] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:49,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:49,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:37:49,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130363915] [2022-10-16 16:37:49,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:49,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:37:49,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:49,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:37:49,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:37:49,250 INFO L87 Difference]: Start difference. First operand 28864 states and 45288 transitions. Second operand has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:51,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:51,789 INFO L93 Difference]: Finished difference Result 29311 states and 45832 transitions. [2022-10-16 16:37:51,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:37:51,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:51,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:51,826 INFO L225 Difference]: With dead ends: 29311 [2022-10-16 16:37:51,827 INFO L226 Difference]: Without dead ends: 29308 [2022-10-16 16:37:51,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:37:51,836 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 2214 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:51,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2214 Valid, 2175 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:37:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29308 states. [2022-10-16 16:37:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29308 to 29218. [2022-10-16 16:37:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29218 states, 29185 states have (on average 1.570087373650848) internal successors, (45823), 29217 states have internal predecessors, (45823), 0 states have call successors, (0), 0 states 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 16:37:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29218 states to 29218 states and 45823 transitions. [2022-10-16 16:37:54,045 INFO L78 Accepts]: Start accepts. Automaton has 29218 states and 45823 transitions. Word has length 138 [2022-10-16 16:37:54,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:54,045 INFO L495 AbstractCegarLoop]: Abstraction has 29218 states and 45823 transitions. [2022-10-16 16:37:54,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.0) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 29218 states and 45823 transitions. [2022-10-16 16:37:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:54,047 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:54,047 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] [2022-10-16 16:37:54,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:37:54,048 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:54,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:54,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1808072668, now seen corresponding path program 1 times [2022-10-16 16:37:54,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:54,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309862655] [2022-10-16 16:37:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:54,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:54,218 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 16:37:54,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:54,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309862655] [2022-10-16 16:37:54,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309862655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:54,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:54,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:54,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772414320] [2022-10-16 16:37:54,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:54,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:54,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:54,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:54,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:54,221 INFO L87 Difference]: Start difference. First operand 29218 states and 45823 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:56,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:56,603 INFO L93 Difference]: Finished difference Result 29653 states and 46367 transitions. [2022-10-16 16:37:56,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:37:56,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:37:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:56,646 INFO L225 Difference]: With dead ends: 29653 [2022-10-16 16:37:56,646 INFO L226 Difference]: Without dead ends: 29650 [2022-10-16 16:37:56,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:37:56,657 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 1181 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:56,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 1566 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:37:56,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29650 states. [2022-10-16 16:37:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29650 to 29566. [2022-10-16 16:37:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29566 states, 29533 states have (on average 1.5697016896353233) internal successors, (46358), 29565 states have internal predecessors, (46358), 0 states have call successors, (0), 0 states 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 16:37:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29566 states to 29566 states and 46358 transitions. [2022-10-16 16:37:58,840 INFO L78 Accepts]: Start accepts. Automaton has 29566 states and 46358 transitions. Word has length 138 [2022-10-16 16:37:58,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:37:58,840 INFO L495 AbstractCegarLoop]: Abstraction has 29566 states and 46358 transitions. [2022-10-16 16:37:58,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:37:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29566 states and 46358 transitions. [2022-10-16 16:37:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:37:58,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:37:58,843 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] [2022-10-16 16:37:58,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:37:58,844 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:37:58,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:37:58,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2138961316, now seen corresponding path program 1 times [2022-10-16 16:37:58,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:37:58,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739739367] [2022-10-16 16:37:58,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:37:58,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:37:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:37:59,012 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 16:37:59,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:37:59,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739739367] [2022-10-16 16:37:59,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739739367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:37:59,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:37:59,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:37:59,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580055559] [2022-10-16 16:37:59,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:37:59,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:37:59,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:37:59,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:37:59,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:37:59,016 INFO L87 Difference]: Start difference. First operand 29566 states and 46358 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:38:01,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:01,511 INFO L93 Difference]: Finished difference Result 30706 states and 48026 transitions. [2022-10-16 16:38:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:01,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:38:01,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:01,555 INFO L225 Difference]: With dead ends: 30706 [2022-10-16 16:38:01,555 INFO L226 Difference]: Without dead ends: 30703 [2022-10-16 16:38:01,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:38:01,567 INFO L413 NwaCegarLoop]: 710 mSDtfsCounter, 1193 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:01,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 1808 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30703 states. [2022-10-16 16:38:03,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30703 to 30610. [2022-10-16 16:38:03,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30610 states, 30577 states have (on average 1.5700690061157079) internal successors, (48008), 30609 states have internal predecessors, (48008), 0 states have call successors, (0), 0 states 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 16:38:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30610 states to 30610 states and 48008 transitions. [2022-10-16 16:38:03,828 INFO L78 Accepts]: Start accepts. Automaton has 30610 states and 48008 transitions. Word has length 138 [2022-10-16 16:38:03,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:03,829 INFO L495 AbstractCegarLoop]: Abstraction has 30610 states and 48008 transitions. [2022-10-16 16:38:03,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 16:38:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 30610 states and 48008 transitions. [2022-10-16 16:38:03,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:38:03,831 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:03,831 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] [2022-10-16 16:38:03,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:38:03,831 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:03,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:03,831 INFO L85 PathProgramCache]: Analyzing trace with hash -103806112, now seen corresponding path program 1 times [2022-10-16 16:38:03,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:03,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006642656] [2022-10-16 16:38:03,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:04,007 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 16:38:04,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:04,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006642656] [2022-10-16 16:38:04,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006642656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:04,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:04,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:04,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309716208] [2022-10-16 16:38:04,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:04,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:04,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:04,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:04,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:04,009 INFO L87 Difference]: Start difference. First operand 30610 states and 48008 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:07,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:07,365 INFO L93 Difference]: Finished difference Result 39445 states and 61788 transitions. [2022-10-16 16:38:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:38:07,366 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:38:07,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:07,415 INFO L225 Difference]: With dead ends: 39445 [2022-10-16 16:38:07,415 INFO L226 Difference]: Without dead ends: 39442 [2022-10-16 16:38:07,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:38:07,423 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 3145 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:07,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 1063 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:07,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39442 states. [2022-10-16 16:38:10,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39442 to 39322. [2022-10-16 16:38:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39322 states, 39289 states have (on average 1.5708213494871337) internal successors, (61716), 39321 states have internal predecessors, (61716), 0 states have call successors, (0), 0 states 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 16:38:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39322 states to 39322 states and 61716 transitions. [2022-10-16 16:38:10,388 INFO L78 Accepts]: Start accepts. Automaton has 39322 states and 61716 transitions. Word has length 139 [2022-10-16 16:38:10,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:10,388 INFO L495 AbstractCegarLoop]: Abstraction has 39322 states and 61716 transitions. [2022-10-16 16:38:10,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 39322 states and 61716 transitions. [2022-10-16 16:38:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:38:10,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:10,391 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] [2022-10-16 16:38:10,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:38:10,391 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1287597687, now seen corresponding path program 1 times [2022-10-16 16:38:10,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:10,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739366540] [2022-10-16 16:38:10,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:10,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:10,565 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 16:38:10,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:10,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739366540] [2022-10-16 16:38:10,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739366540] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:10,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:10,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:10,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929149351] [2022-10-16 16:38:10,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:10,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:10,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:10,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:10,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:10,568 INFO L87 Difference]: Start difference. First operand 39322 states and 61716 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:14,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:14,667 INFO L93 Difference]: Finished difference Result 51934 states and 81633 transitions. [2022-10-16 16:38:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:14,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:38:14,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:14,734 INFO L225 Difference]: With dead ends: 51934 [2022-10-16 16:38:14,734 INFO L226 Difference]: Without dead ends: 51931 [2022-10-16 16:38:14,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:38:14,743 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 1347 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:14,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 1042 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:38:14,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51931 states. [2022-10-16 16:38:18,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51931 to 43846. [2022-10-16 16:38:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43846 states, 43813 states have (on average 1.5747609157099491) internal successors, (68995), 43845 states have internal predecessors, (68995), 0 states have call successors, (0), 0 states 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 16:38:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43846 states to 43846 states and 68995 transitions. [2022-10-16 16:38:18,657 INFO L78 Accepts]: Start accepts. Automaton has 43846 states and 68995 transitions. Word has length 139 [2022-10-16 16:38:18,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:18,657 INFO L495 AbstractCegarLoop]: Abstraction has 43846 states and 68995 transitions. [2022-10-16 16:38:18,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 43846 states and 68995 transitions. [2022-10-16 16:38:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:38:18,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:18,660 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] [2022-10-16 16:38:18,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:38:18,660 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:18,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:18,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1533924916, now seen corresponding path program 1 times [2022-10-16 16:38:18,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:18,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093171604] [2022-10-16 16:38:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:18,814 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 16:38:18,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:18,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093171604] [2022-10-16 16:38:18,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093171604] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:18,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:18,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:18,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879427449] [2022-10-16 16:38:18,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:18,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:18,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:18,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:18,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:18,816 INFO L87 Difference]: Start difference. First operand 43846 states and 68995 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:23,337 INFO L93 Difference]: Finished difference Result 50914 states and 79740 transitions. [2022-10-16 16:38:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:38:23,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:38:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:23,474 INFO L225 Difference]: With dead ends: 50914 [2022-10-16 16:38:23,474 INFO L226 Difference]: Without dead ends: 50911 [2022-10-16 16:38:23,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:38:23,484 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 2057 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:23,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 1493 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:23,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50911 states. [2022-10-16 16:38:27,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50911 to 48034. [2022-10-16 16:38:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48034 states, 48001 states have (on average 1.5720505822795359) internal successors, (75460), 48033 states have internal predecessors, (75460), 0 states have call successors, (0), 0 states 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 16:38:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48034 states to 48034 states and 75460 transitions. [2022-10-16 16:38:27,670 INFO L78 Accepts]: Start accepts. Automaton has 48034 states and 75460 transitions. Word has length 139 [2022-10-16 16:38:27,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:27,670 INFO L495 AbstractCegarLoop]: Abstraction has 48034 states and 75460 transitions. [2022-10-16 16:38:27,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 48034 states and 75460 transitions. [2022-10-16 16:38:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:38:27,673 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:27,673 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] [2022-10-16 16:38:27,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:38:27,673 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:27,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:27,674 INFO L85 PathProgramCache]: Analyzing trace with hash -8712372, now seen corresponding path program 1 times [2022-10-16 16:38:27,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:27,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877472660] [2022-10-16 16:38:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:27,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:27,861 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 16:38:27,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:27,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877472660] [2022-10-16 16:38:27,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877472660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:27,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:27,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:27,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276777791] [2022-10-16 16:38:27,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:27,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:27,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:27,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:27,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:27,864 INFO L87 Difference]: Start difference. First operand 48034 states and 75460 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:33,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:33,917 INFO L93 Difference]: Finished difference Result 58582 states and 91870 transitions. [2022-10-16 16:38:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:38:33,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:38:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:33,991 INFO L225 Difference]: With dead ends: 58582 [2022-10-16 16:38:33,991 INFO L226 Difference]: Without dead ends: 58579 [2022-10-16 16:38:34,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:38:34,003 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 2055 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:34,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2055 Valid, 1497 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:38:34,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58579 states. [2022-10-16 16:38:39,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58579 to 58480. [2022-10-16 16:38:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58480 states, 58447 states have (on average 1.5698496073365613) internal successors, (91753), 58479 states have internal predecessors, (91753), 0 states have call successors, (0), 0 states 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 16:38:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58480 states to 58480 states and 91753 transitions. [2022-10-16 16:38:39,354 INFO L78 Accepts]: Start accepts. Automaton has 58480 states and 91753 transitions. Word has length 139 [2022-10-16 16:38:39,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:39,354 INFO L495 AbstractCegarLoop]: Abstraction has 58480 states and 91753 transitions. [2022-10-16 16:38:39,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 58480 states and 91753 transitions. [2022-10-16 16:38:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:38:39,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:39,356 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] [2022-10-16 16:38:39,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:38:39,357 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:39,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash -913558539, now seen corresponding path program 1 times [2022-10-16 16:38:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:39,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141559799] [2022-10-16 16:38:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:39,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:39,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:39,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141559799] [2022-10-16 16:38:39,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141559799] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:39,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:39,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:38:39,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686406250] [2022-10-16 16:38:39,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:39,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:38:39,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:39,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:38:39,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:38:39,501 INFO L87 Difference]: Start difference. First operand 58480 states and 91753 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:45,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:45,561 INFO L93 Difference]: Finished difference Result 66229 states and 104063 transitions. [2022-10-16 16:38:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:38:45,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:38:45,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:45,649 INFO L225 Difference]: With dead ends: 66229 [2022-10-16 16:38:45,649 INFO L226 Difference]: Without dead ends: 66226 [2022-10-16 16:38:45,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:38:45,665 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 1249 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:45,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 1415 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:38:45,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66226 states. [2022-10-16 16:38:51,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66226 to 65440. [2022-10-16 16:38:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65440 states, 65407 states have (on average 1.571895974436987) internal successors, (102813), 65439 states have internal predecessors, (102813), 0 states have call successors, (0), 0 states 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 16:38:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65440 states to 65440 states and 102813 transitions. [2022-10-16 16:38:51,724 INFO L78 Accepts]: Start accepts. Automaton has 65440 states and 102813 transitions. Word has length 139 [2022-10-16 16:38:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:38:51,725 INFO L495 AbstractCegarLoop]: Abstraction has 65440 states and 102813 transitions. [2022-10-16 16:38:51,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 65440 states and 102813 transitions. [2022-10-16 16:38:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:38:51,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:38:51,727 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] [2022-10-16 16:38:51,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:38:51,727 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:38:51,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:38:51,727 INFO L85 PathProgramCache]: Analyzing trace with hash -699499336, now seen corresponding path program 1 times [2022-10-16 16:38:51,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:38:51,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431452934] [2022-10-16 16:38:51,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:38:51,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:38:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:38:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:38:51,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:38:51,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431452934] [2022-10-16 16:38:51,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431452934] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:38:51,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:38:51,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:38:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87332513] [2022-10-16 16:38:51,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:38:51,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:38:51,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:38:51,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:38:51,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:38:51,885 INFO L87 Difference]: Start difference. First operand 65440 states and 102813 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:38:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:38:58,687 INFO L93 Difference]: Finished difference Result 73576 states and 115451 transitions. [2022-10-16 16:38:58,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:38:58,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:38:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:38:58,796 INFO L225 Difference]: With dead ends: 73576 [2022-10-16 16:38:58,797 INFO L226 Difference]: Without dead ends: 73573 [2022-10-16 16:38:58,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:38:58,814 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 2161 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:38:58,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 1537 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:38:58,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73573 states. [2022-10-16 16:39:05,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73573 to 73450. [2022-10-16 16:39:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73450 states, 73417 states have (on average 1.5715569963359985) internal successors, (115379), 73449 states have internal predecessors, (115379), 0 states have call successors, (0), 0 states 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 16:39:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73450 states to 73450 states and 115379 transitions. [2022-10-16 16:39:05,637 INFO L78 Accepts]: Start accepts. Automaton has 73450 states and 115379 transitions. Word has length 139 [2022-10-16 16:39:05,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:05,638 INFO L495 AbstractCegarLoop]: Abstraction has 73450 states and 115379 transitions. [2022-10-16 16:39:05,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:39:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 73450 states and 115379 transitions. [2022-10-16 16:39:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:39:05,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:05,640 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] [2022-10-16 16:39:05,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:39:05,641 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:05,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:05,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1883290911, now seen corresponding path program 1 times [2022-10-16 16:39:05,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:05,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326193148] [2022-10-16 16:39:05,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:05,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:05,774 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 16:39:05,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:05,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326193148] [2022-10-16 16:39:05,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326193148] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:05,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:05,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:39:05,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342585272] [2022-10-16 16:39:05,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:05,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:39:05,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:05,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:39:05,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:39:05,776 INFO L87 Difference]: Start difference. First operand 73450 states and 115379 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:39:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:13,419 INFO L93 Difference]: Finished difference Result 89557 states and 141195 transitions. [2022-10-16 16:39:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:39:13,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:39:13,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:13,543 INFO L225 Difference]: With dead ends: 89557 [2022-10-16 16:39:13,544 INFO L226 Difference]: Without dead ends: 89551 [2022-10-16 16:39:13,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:39:13,562 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 1119 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:13,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1243 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:39:13,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89551 states. [2022-10-16 16:39:21,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89551 to 84586. [2022-10-16 16:39:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84586 states, 84553 states have (on average 1.5748228921504854) internal successors, (133156), 84585 states have internal predecessors, (133156), 0 states have call successors, (0), 0 states 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 16:39:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84586 states to 84586 states and 133156 transitions. [2022-10-16 16:39:21,235 INFO L78 Accepts]: Start accepts. Automaton has 84586 states and 133156 transitions. Word has length 139 [2022-10-16 16:39:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:21,235 INFO L495 AbstractCegarLoop]: Abstraction has 84586 states and 133156 transitions. [2022-10-16 16:39:21,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 16:39:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 84586 states and 133156 transitions. [2022-10-16 16:39:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:39:21,238 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:21,238 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] [2022-10-16 16:39:21,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:39:21,238 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:21,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:21,239 INFO L85 PathProgramCache]: Analyzing trace with hash 839081538, now seen corresponding path program 1 times [2022-10-16 16:39:21,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:21,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016209885] [2022-10-16 16:39:21,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:21,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:21,387 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 16:39:21,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:21,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016209885] [2022-10-16 16:39:21,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016209885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:21,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:21,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:39:21,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046230254] [2022-10-16 16:39:21,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:21,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:39:21,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:21,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:39:21,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:21,390 INFO L87 Difference]: Start difference. First operand 84586 states and 133156 transitions. Second operand has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 16:39:28,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:28,840 INFO L93 Difference]: Finished difference Result 85024 states and 133682 transitions. [2022-10-16 16:39:28,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:39:28,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:39:28,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:28,957 INFO L225 Difference]: With dead ends: 85024 [2022-10-16 16:39:28,957 INFO L226 Difference]: Without dead ends: 85021 [2022-10-16 16:39:28,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:39:28,973 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 2194 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2194 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:28,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2194 Valid, 1498 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:39:29,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85021 states. [2022-10-16 16:39:36,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85021 to 84580. [2022-10-16 16:39:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84580 states, 84547 states have (on average 1.5748282020651236) internal successors, (133147), 84579 states have internal predecessors, (133147), 0 states have call successors, (0), 0 states 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 16:39:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84580 states to 84580 states and 133147 transitions. [2022-10-16 16:39:37,179 INFO L78 Accepts]: Start accepts. Automaton has 84580 states and 133147 transitions. Word has length 140 [2022-10-16 16:39:37,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:37,179 INFO L495 AbstractCegarLoop]: Abstraction has 84580 states and 133147 transitions. [2022-10-16 16:39:37,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 16:39:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand 84580 states and 133147 transitions. [2022-10-16 16:39:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:39:37,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:37,182 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] [2022-10-16 16:39:37,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:39:37,182 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:37,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:37,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1076978275, now seen corresponding path program 1 times [2022-10-16 16:39:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:37,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606061814] [2022-10-16 16:39:37,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:37,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:37,355 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 16:39:37,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:37,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606061814] [2022-10-16 16:39:37,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606061814] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:37,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:37,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:39:37,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099232278] [2022-10-16 16:39:37,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:37,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:39:37,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:37,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:39:37,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:39:37,358 INFO L87 Difference]: Start difference. First operand 84580 states and 133147 transitions. Second operand has 8 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 16:39:45,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:39:45,115 INFO L93 Difference]: Finished difference Result 85373 states and 134191 transitions. [2022-10-16 16:39:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:39:45,116 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:39:45,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:39:45,225 INFO L225 Difference]: With dead ends: 85373 [2022-10-16 16:39:45,225 INFO L226 Difference]: Without dead ends: 85370 [2022-10-16 16:39:45,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:39:45,241 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 3202 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3202 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:39:45,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3202 Valid, 1518 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:39:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85370 states. [2022-10-16 16:39:52,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85370 to 84934. [2022-10-16 16:39:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84934 states, 84901 states have (on average 1.5743513032826468) internal successors, (133664), 84933 states have internal predecessors, (133664), 0 states have call successors, (0), 0 states 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 16:39:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84934 states to 84934 states and 133664 transitions. [2022-10-16 16:39:53,157 INFO L78 Accepts]: Start accepts. Automaton has 84934 states and 133664 transitions. Word has length 140 [2022-10-16 16:39:53,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:39:53,157 INFO L495 AbstractCegarLoop]: Abstraction has 84934 states and 133664 transitions. [2022-10-16 16:39:53,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 16:39:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 84934 states and 133664 transitions. [2022-10-16 16:39:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:39:53,159 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:39:53,159 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] [2022-10-16 16:39:53,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:39:53,160 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2022-10-16 16:39:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:39:53,160 INFO L85 PathProgramCache]: Analyzing trace with hash -617285930, now seen corresponding path program 1 times [2022-10-16 16:39:53,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:39:53,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992734000] [2022-10-16 16:39:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:39:53,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:39:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:39:53,307 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 16:39:53,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:39:53,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992734000] [2022-10-16 16:39:53,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992734000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:39:53,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:39:53,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:39:53,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088692986] [2022-10-16 16:39:53,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:39:53,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:39:53,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:39:53,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:39:53,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:39:53,310 INFO L87 Difference]: Start difference. First operand 84934 states and 133664 transitions. Second operand has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)