/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.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:17:06,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:17:06,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:17:06,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:17:06,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:17:06,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:17:06,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:17:06,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:17:06,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:17:06,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:17:06,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:17:06,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:17:06,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:17:06,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:17:06,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:17:06,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:17:06,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:17:06,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:17:06,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:17:06,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:17:06,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:17:06,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:17:06,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:17:06,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:17:06,472 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:17:06,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:17:06,473 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:17:06,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:17:06,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:17:06,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:17:06,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:17:06,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:17:06,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:17:06,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:17:06,475 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:17:06,475 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:17:06,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:17:06,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:17:06,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:17:06,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:17:06,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:17:06,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:17:06,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:06,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:17:06,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:17:06,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:17:06,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:17:06,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:17:06,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:17:06,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:17:06,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:17:06,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:17:06,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:17:06,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:17:06,950 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:17:06,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:17:07,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137e981f0/ae17f729b9c74fc0a66c57e40718a325/FLAGbf319c144 [2022-10-15 22:17:07,738 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:17:07,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:17:07,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137e981f0/ae17f729b9c74fc0a66c57e40718a325/FLAGbf319c144 [2022-10-15 22:17:08,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137e981f0/ae17f729b9c74fc0a66c57e40718a325 [2022-10-15 22:17:08,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:17:08,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:17:08,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:08,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:17:08,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:17:08,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531e1896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08, skipping insertion in model container [2022-10-15 22:17:08,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:17:08,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:17:08,338 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.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5807,5820] [2022-10-15 22:17:08,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:08,378 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:17:08,469 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.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5807,5820] [2022-10-15 22:17:08,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:08,541 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:17:08,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08 WrapperNode [2022-10-15 22:17:08,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:08,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:08,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:17:08,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:17:08,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,651 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 440 [2022-10-15 22:17:08,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:08,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:17:08,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:17:08,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:17:08,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:17:08,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:17:08,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:17:08,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:17:08,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (1/1) ... [2022-10-15 22:17:08,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:17:08,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:17:08,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:17:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:17:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:17:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:17:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:17:08,993 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:17:08,996 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:17:09,604 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:17:09,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:17:09,615 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:17:09,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:09 BoogieIcfgContainer [2022-10-15 22:17:09,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:17:09,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:17:09,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:17:09,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:17:09,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:17:08" (1/3) ... [2022-10-15 22:17:09,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c415f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:09, skipping insertion in model container [2022-10-15 22:17:09,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:08" (2/3) ... [2022-10-15 22:17:09,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c415f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:09, skipping insertion in model container [2022-10-15 22:17:09,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:09" (3/3) ... [2022-10-15 22:17:09,629 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-15 22:17:09,651 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:17:09,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-10-15 22:17:09,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:17:09,726 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;@7c413f5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:17:09,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-10-15 22:17:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 121 states have (on average 1.7851239669421488) internal successors, (216), 147 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 22:17:09,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:09,761 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] [2022-10-15 22:17:09,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:09,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:09,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1710361224, now seen corresponding path program 1 times [2022-10-15 22:17:09,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:09,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663555034] [2022-10-15 22:17:09,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:09,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:10,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:10,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663555034] [2022-10-15 22:17:10,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663555034] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:10,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:10,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:17:10,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196943859] [2022-10-15 22:17:10,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:10,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:17:10,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:10,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:17:10,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:17:10,241 INFO L87 Difference]: Start difference. First operand has 148 states, 121 states have (on average 1.7851239669421488) internal successors, (216), 147 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 38.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:10,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:10,295 INFO L93 Difference]: Finished difference Result 151 states and 218 transitions. [2022-10-15 22:17:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:17:10,298 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 38.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-15 22:17:10,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:10,320 INFO L225 Difference]: With dead ends: 151 [2022-10-15 22:17:10,321 INFO L226 Difference]: Without dead ends: 143 [2022-10-15 22:17:10,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:17:10,331 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:10,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:10,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-10-15 22:17:10,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-10-15 22:17:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 119 states have (on average 1.504201680672269) internal successors, (179), 142 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 179 transitions. [2022-10-15 22:17:10,423 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 179 transitions. Word has length 38 [2022-10-15 22:17:10,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:10,424 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 179 transitions. [2022-10-15 22:17:10,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 38.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 179 transitions. [2022-10-15 22:17:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:17:10,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:10,430 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] [2022-10-15 22:17:10,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:17:10,431 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:10,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:10,433 INFO L85 PathProgramCache]: Analyzing trace with hash -995342737, now seen corresponding path program 1 times [2022-10-15 22:17:10,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:10,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120817229] [2022-10-15 22:17:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:10,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:10,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:10,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120817229] [2022-10-15 22:17:10,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120817229] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:10,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:10,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:10,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180804442] [2022-10-15 22:17:10,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:10,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:10,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:10,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:10,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:10,810 INFO L87 Difference]: Start difference. First operand 143 states and 179 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:10,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:10,909 INFO L93 Difference]: Finished difference Result 353 states and 456 transitions. [2022-10-15 22:17:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:10,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-15 22:17:10,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:10,915 INFO L225 Difference]: With dead ends: 353 [2022-10-15 22:17:10,916 INFO L226 Difference]: Without dead ends: 244 [2022-10-15 22:17:10,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:10,920 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 130 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:10,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 431 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:10,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-10-15 22:17:10,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 220. [2022-10-15 22:17:10,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 196 states have (on average 1.5816326530612246) internal successors, (310), 219 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 310 transitions. [2022-10-15 22:17:10,948 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 310 transitions. Word has length 57 [2022-10-15 22:17:10,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:10,949 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 310 transitions. [2022-10-15 22:17:10,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 310 transitions. [2022-10-15 22:17:10,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:17:10,952 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:10,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:10,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:17:10,953 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:10,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:10,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1925854897, now seen corresponding path program 1 times [2022-10-15 22:17:10,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:10,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462683650] [2022-10-15 22:17:10,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:10,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:11,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:11,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462683650] [2022-10-15 22:17:11,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462683650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:11,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:11,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:11,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184214336] [2022-10-15 22:17:11,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:11,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:11,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:11,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:11,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:11,186 INFO L87 Difference]: Start difference. First operand 220 states and 310 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:11,259 INFO L93 Difference]: Finished difference Result 576 states and 836 transitions. [2022-10-15 22:17:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:11,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:17:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:11,263 INFO L225 Difference]: With dead ends: 576 [2022-10-15 22:17:11,265 INFO L226 Difference]: Without dead ends: 390 [2022-10-15 22:17:11,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:11,270 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 125 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:11,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 427 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-10-15 22:17:11,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 366. [2022-10-15 22:17:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 342 states have (on average 1.631578947368421) internal successors, (558), 365 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 558 transitions. [2022-10-15 22:17:11,335 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 558 transitions. Word has length 58 [2022-10-15 22:17:11,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:11,336 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 558 transitions. [2022-10-15 22:17:11,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,336 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 558 transitions. [2022-10-15 22:17:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:17:11,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:11,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:11,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:17:11,339 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:11,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:11,340 INFO L85 PathProgramCache]: Analyzing trace with hash 851438092, now seen corresponding path program 1 times [2022-10-15 22:17:11,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:11,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801668674] [2022-10-15 22:17:11,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:11,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:11,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:11,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801668674] [2022-10-15 22:17:11,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801668674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:11,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:11,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:11,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602977445] [2022-10-15 22:17:11,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:11,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:11,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:11,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:11,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:11,460 INFO L87 Difference]: Start difference. First operand 366 states and 558 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:11,558 INFO L93 Difference]: Finished difference Result 998 states and 1554 transitions. [2022-10-15 22:17:11,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:11,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:17:11,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:11,565 INFO L225 Difference]: With dead ends: 998 [2022-10-15 22:17:11,566 INFO L226 Difference]: Without dead ends: 666 [2022-10-15 22:17:11,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:11,583 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 120 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:11,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 423 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:11,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2022-10-15 22:17:11,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 642. [2022-10-15 22:17:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 618 states have (on average 1.6601941747572815) internal successors, (1026), 641 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1026 transitions. [2022-10-15 22:17:11,649 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1026 transitions. Word has length 59 [2022-10-15 22:17:11,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:11,652 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 1026 transitions. [2022-10-15 22:17:11,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1026 transitions. [2022-10-15 22:17:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:17:11,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:11,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:11,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:17:11,658 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:11,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash -369269278, now seen corresponding path program 1 times [2022-10-15 22:17:11,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:11,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900706821] [2022-10-15 22:17:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:11,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:11,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900706821] [2022-10-15 22:17:11,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900706821] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:11,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:11,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:11,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43864283] [2022-10-15 22:17:11,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:11,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:11,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:11,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:11,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:11,829 INFO L87 Difference]: Start difference. First operand 642 states and 1026 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:11,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:11,955 INFO L93 Difference]: Finished difference Result 1794 states and 2906 transitions. [2022-10-15 22:17:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:11,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:17:11,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:11,963 INFO L225 Difference]: With dead ends: 1794 [2022-10-15 22:17:11,964 INFO L226 Difference]: Without dead ends: 1186 [2022-10-15 22:17:11,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:11,967 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 115 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:11,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 419 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:11,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2022-10-15 22:17:12,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1162. [2022-10-15 22:17:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1138 states have (on average 1.6748681898066784) internal successors, (1906), 1161 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1906 transitions. [2022-10-15 22:17:12,071 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1906 transitions. Word has length 60 [2022-10-15 22:17:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:12,071 INFO L495 AbstractCegarLoop]: Abstraction has 1162 states and 1906 transitions. [2022-10-15 22:17:12,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1906 transitions. [2022-10-15 22:17:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:17:12,077 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:12,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:12,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:17:12,079 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:12,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:12,081 INFO L85 PathProgramCache]: Analyzing trace with hash 80790801, now seen corresponding path program 1 times [2022-10-15 22:17:12,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:12,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854292234] [2022-10-15 22:17:12,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:12,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:12,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:12,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854292234] [2022-10-15 22:17:12,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854292234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:12,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:12,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:12,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470567891] [2022-10-15 22:17:12,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:12,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:12,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:12,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:12,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:12,265 INFO L87 Difference]: Start difference. First operand 1162 states and 1906 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:12,816 INFO L93 Difference]: Finished difference Result 3415 states and 5650 transitions. [2022-10-15 22:17:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:17:12,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:12,837 INFO L225 Difference]: With dead ends: 3415 [2022-10-15 22:17:12,837 INFO L226 Difference]: Without dead ends: 3412 [2022-10-15 22:17:12,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:12,842 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 425 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:12,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 378 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2022-10-15 22:17:13,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 2266. [2022-10-15 22:17:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 2242 states have (on average 1.663693131132917) internal successors, (3730), 2265 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3730 transitions. [2022-10-15 22:17:13,087 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3730 transitions. Word has length 61 [2022-10-15 22:17:13,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:13,088 INFO L495 AbstractCegarLoop]: Abstraction has 2266 states and 3730 transitions. [2022-10-15 22:17:13,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3730 transitions. [2022-10-15 22:17:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:17:13,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:13,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:13,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:17:13,093 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:13,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:13,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1790452258, now seen corresponding path program 1 times [2022-10-15 22:17:13,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:13,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699796431] [2022-10-15 22:17:13,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:13,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:13,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:13,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699796431] [2022-10-15 22:17:13,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699796431] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:13,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:13,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:13,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616998234] [2022-10-15 22:17:13,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:13,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:13,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:13,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:13,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:13,261 INFO L87 Difference]: Start difference. First operand 2266 states and 3730 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:13,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:13,689 INFO L93 Difference]: Finished difference Result 3391 states and 5602 transitions. [2022-10-15 22:17:13,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:13,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:17:13,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:13,708 INFO L225 Difference]: With dead ends: 3391 [2022-10-15 22:17:13,709 INFO L226 Difference]: Without dead ends: 3388 [2022-10-15 22:17:13,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:13,711 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 418 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:13,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 221 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:17:13,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2022-10-15 22:17:14,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3370. [2022-10-15 22:17:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3370 states, 3346 states have (on average 1.6455469216975493) internal successors, (5506), 3369 states have internal predecessors, (5506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 5506 transitions. [2022-10-15 22:17:14,066 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 5506 transitions. Word has length 62 [2022-10-15 22:17:14,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:14,067 INFO L495 AbstractCegarLoop]: Abstraction has 3370 states and 5506 transitions. [2022-10-15 22:17:14,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 5506 transitions. [2022-10-15 22:17:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:17:14,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:14,068 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] [2022-10-15 22:17:14,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:17:14,069 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:14,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:14,070 INFO L85 PathProgramCache]: Analyzing trace with hash 330555059, now seen corresponding path program 1 times [2022-10-15 22:17:14,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:14,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850585208] [2022-10-15 22:17:14,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:14,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:14,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:14,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850585208] [2022-10-15 22:17:14,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850585208] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:14,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:14,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:14,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607892377] [2022-10-15 22:17:14,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:14,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:14,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:14,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:14,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:14,208 INFO L87 Difference]: Start difference. First operand 3370 states and 5506 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:14,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:14,991 INFO L93 Difference]: Finished difference Result 5632 states and 9106 transitions. [2022-10-15 22:17:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:17:14,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-15 22:17:14,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:15,023 INFO L225 Difference]: With dead ends: 5632 [2022-10-15 22:17:15,023 INFO L226 Difference]: Without dead ends: 5629 [2022-10-15 22:17:15,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:17:15,026 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 822 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:15,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 559 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5629 states. [2022-10-15 22:17:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5629 to 4474. [2022-10-15 22:17:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4474 states, 4450 states have (on average 1.62561797752809) internal successors, (7234), 4473 states have internal predecessors, (7234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4474 states to 4474 states and 7234 transitions. [2022-10-15 22:17:15,465 INFO L78 Accepts]: Start accepts. Automaton has 4474 states and 7234 transitions. Word has length 63 [2022-10-15 22:17:15,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:15,465 INFO L495 AbstractCegarLoop]: Abstraction has 4474 states and 7234 transitions. [2022-10-15 22:17:15,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4474 states and 7234 transitions. [2022-10-15 22:17:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:17:15,466 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:15,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:15,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:17:15,467 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:15,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:15,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1657272448, now seen corresponding path program 1 times [2022-10-15 22:17:15,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:15,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067013568] [2022-10-15 22:17:15,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:15,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:15,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:15,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067013568] [2022-10-15 22:17:15,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067013568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:15,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:15,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:15,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892761467] [2022-10-15 22:17:15,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:15,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:15,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:15,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:15,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:15,629 INFO L87 Difference]: Start difference. First operand 4474 states and 7234 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:16,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:16,331 INFO L93 Difference]: Finished difference Result 5614 states and 9058 transitions. [2022-10-15 22:17:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:16,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:17:16,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:16,362 INFO L225 Difference]: With dead ends: 5614 [2022-10-15 22:17:16,363 INFO L226 Difference]: Without dead ends: 5611 [2022-10-15 22:17:16,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:17:16,365 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 724 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:16,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 381 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:17:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5611 states. [2022-10-15 22:17:16,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5611 to 5578. [2022-10-15 22:17:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5578 states, 5554 states have (on average 1.6049693914296004) internal successors, (8914), 5577 states have internal predecessors, (8914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5578 states to 5578 states and 8914 transitions. [2022-10-15 22:17:16,892 INFO L78 Accepts]: Start accepts. Automaton has 5578 states and 8914 transitions. Word has length 64 [2022-10-15 22:17:16,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:16,892 INFO L495 AbstractCegarLoop]: Abstraction has 5578 states and 8914 transitions. [2022-10-15 22:17:16,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5578 states and 8914 transitions. [2022-10-15 22:17:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:17:16,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:16,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:16,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:17:16,894 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:16,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:16,895 INFO L85 PathProgramCache]: Analyzing trace with hash 14235955, now seen corresponding path program 1 times [2022-10-15 22:17:16,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:16,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944392688] [2022-10-15 22:17:16,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:16,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:16,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:16,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944392688] [2022-10-15 22:17:16,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944392688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:16,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:16,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:16,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366342299] [2022-10-15 22:17:16,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:16,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:16,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:16,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:16,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:16,964 INFO L87 Difference]: Start difference. First operand 5578 states and 8914 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:17,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:17,793 INFO L93 Difference]: Finished difference Result 15786 states and 25314 transitions. [2022-10-15 22:17:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:17,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:17:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:17,839 INFO L225 Difference]: With dead ends: 15786 [2022-10-15 22:17:17,839 INFO L226 Difference]: Without dead ends: 10242 [2022-10-15 22:17:17,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:17,849 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 131 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:17,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 440 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:17,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10242 states. [2022-10-15 22:17:18,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10242 to 10218. [2022-10-15 22:17:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10218 states, 10194 states have (on average 1.604277025701393) internal successors, (16354), 10217 states have internal predecessors, (16354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10218 states to 10218 states and 16354 transitions. [2022-10-15 22:17:18,873 INFO L78 Accepts]: Start accepts. Automaton has 10218 states and 16354 transitions. Word has length 65 [2022-10-15 22:17:18,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:18,874 INFO L495 AbstractCegarLoop]: Abstraction has 10218 states and 16354 transitions. [2022-10-15 22:17:18,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:18,874 INFO L276 IsEmpty]: Start isEmpty. Operand 10218 states and 16354 transitions. [2022-10-15 22:17:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:17:18,875 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:18,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:18,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:17:18,875 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:18,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:18,876 INFO L85 PathProgramCache]: Analyzing trace with hash -164161451, now seen corresponding path program 1 times [2022-10-15 22:17:18,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:18,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96386747] [2022-10-15 22:17:18,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:19,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:19,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96386747] [2022-10-15 22:17:19,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96386747] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:19,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:19,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:19,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495831421] [2022-10-15 22:17:19,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:19,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:19,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:19,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:19,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:19,005 INFO L87 Difference]: Start difference. First operand 10218 states and 16354 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:20,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:20,338 INFO L93 Difference]: Finished difference Result 16371 states and 26050 transitions. [2022-10-15 22:17:20,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:17:20,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:17:20,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:20,388 INFO L225 Difference]: With dead ends: 16371 [2022-10-15 22:17:20,388 INFO L226 Difference]: Without dead ends: 16368 [2022-10-15 22:17:20,393 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 [2022-10-15 22:17:20,394 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 1285 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:20,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1285 Valid, 598 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:20,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16368 states. [2022-10-15 22:17:21,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16368 to 12250. [2022-10-15 22:17:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12250 states, 12226 states have (on average 1.581056764272861) internal successors, (19330), 12249 states have internal predecessors, (19330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12250 states to 12250 states and 19330 transitions. [2022-10-15 22:17:21,585 INFO L78 Accepts]: Start accepts. Automaton has 12250 states and 19330 transitions. Word has length 65 [2022-10-15 22:17:21,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:21,585 INFO L495 AbstractCegarLoop]: Abstraction has 12250 states and 19330 transitions. [2022-10-15 22:17:21,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 12250 states and 19330 transitions. [2022-10-15 22:17:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:17:21,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:21,587 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] [2022-10-15 22:17:21,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:17:21,588 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:21,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:21,588 INFO L85 PathProgramCache]: Analyzing trace with hash -794037470, now seen corresponding path program 1 times [2022-10-15 22:17:21,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:21,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744033956] [2022-10-15 22:17:21,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:21,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:21,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:21,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744033956] [2022-10-15 22:17:21,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744033956] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:21,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:21,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:21,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760780160] [2022-10-15 22:17:21,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:21,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:21,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:21,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:21,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:21,719 INFO L87 Difference]: Start difference. First operand 12250 states and 19330 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:23,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:23,068 INFO L93 Difference]: Finished difference Result 16362 states and 25762 transitions. [2022-10-15 22:17:23,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:17:23,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-15 22:17:23,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:23,113 INFO L225 Difference]: With dead ends: 16362 [2022-10-15 22:17:23,113 INFO L226 Difference]: Without dead ends: 16359 [2022-10-15 22:17:23,120 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 [2022-10-15 22:17:23,121 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 1317 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:23,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 460 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:23,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16359 states. [2022-10-15 22:17:24,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16359 to 16314. [2022-10-15 22:17:24,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16314 states, 16290 states have (on average 1.5578882750153469) internal successors, (25378), 16313 states have internal predecessors, (25378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16314 states to 16314 states and 25378 transitions. [2022-10-15 22:17:24,438 INFO L78 Accepts]: Start accepts. Automaton has 16314 states and 25378 transitions. Word has length 66 [2022-10-15 22:17:24,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:24,438 INFO L495 AbstractCegarLoop]: Abstraction has 16314 states and 25378 transitions. [2022-10-15 22:17:24,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:24,439 INFO L276 IsEmpty]: Start isEmpty. Operand 16314 states and 25378 transitions. [2022-10-15 22:17:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:17:24,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:24,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:24,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:17:24,440 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:24,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:24,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1154642423, now seen corresponding path program 1 times [2022-10-15 22:17:24,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:24,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026605257] [2022-10-15 22:17:24,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:24,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:24,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:24,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026605257] [2022-10-15 22:17:24,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026605257] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:24,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:24,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:24,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50407056] [2022-10-15 22:17:24,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:24,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:24,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:24,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:24,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:24,600 INFO L87 Difference]: Start difference. First operand 16314 states and 25378 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:28,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:28,292 INFO L93 Difference]: Finished difference Result 61138 states and 95650 transitions. [2022-10-15 22:17:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 22:17:28,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:17:28,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:28,426 INFO L225 Difference]: With dead ends: 61138 [2022-10-15 22:17:28,426 INFO L226 Difference]: Without dead ends: 44858 [2022-10-15 22:17:28,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-15 22:17:28,466 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 2123 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2123 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:28,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2123 Valid, 1133 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:17:28,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44858 states. [2022-10-15 22:17:31,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44858 to 32570. [2022-10-15 22:17:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32570 states, 32546 states have (on average 1.5191421372826153) internal successors, (49442), 32569 states have internal predecessors, (49442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32570 states to 32570 states and 49442 transitions. [2022-10-15 22:17:31,922 INFO L78 Accepts]: Start accepts. Automaton has 32570 states and 49442 transitions. Word has length 67 [2022-10-15 22:17:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:31,923 INFO L495 AbstractCegarLoop]: Abstraction has 32570 states and 49442 transitions. [2022-10-15 22:17:31,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32570 states and 49442 transitions. [2022-10-15 22:17:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:17:31,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:31,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:31,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:17:31,924 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:31,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1434176964, now seen corresponding path program 1 times [2022-10-15 22:17:31,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:31,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470571953] [2022-10-15 22:17:31,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:31,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:32,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:32,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470571953] [2022-10-15 22:17:32,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470571953] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:32,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:32,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:32,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792012601] [2022-10-15 22:17:32,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:32,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:32,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:32,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:32,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:32,093 INFO L87 Difference]: Start difference. First operand 32570 states and 49442 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:36,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:36,500 INFO L93 Difference]: Finished difference Result 46887 states and 71906 transitions. [2022-10-15 22:17:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 22:17:36,501 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 22:17:36,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:36,602 INFO L225 Difference]: With dead ends: 46887 [2022-10-15 22:17:36,603 INFO L226 Difference]: Without dead ends: 46884 [2022-10-15 22:17:36,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 22:17:36,619 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 2295 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:36,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 778 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:17:36,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46884 states. [2022-10-15 22:17:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46884 to 46794. [2022-10-15 22:17:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46794 states, 46770 states have (on average 1.504596963865726) internal successors, (70370), 46793 states have internal predecessors, (70370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46794 states to 46794 states and 70370 transitions. [2022-10-15 22:17:40,287 INFO L78 Accepts]: Start accepts. Automaton has 46794 states and 70370 transitions. Word has length 68 [2022-10-15 22:17:40,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:40,288 INFO L495 AbstractCegarLoop]: Abstraction has 46794 states and 70370 transitions. [2022-10-15 22:17:40,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 46794 states and 70370 transitions. [2022-10-15 22:17:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 22:17:40,300 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:40,301 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:40,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:17:40,301 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:40,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:40,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2053163470, now seen corresponding path program 1 times [2022-10-15 22:17:40,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:40,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965248131] [2022-10-15 22:17:40,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:40,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:40,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:40,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965248131] [2022-10-15 22:17:40,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965248131] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:40,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:40,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:40,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452479962] [2022-10-15 22:17:40,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:40,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:17:40,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:40,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:17:40,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:40,439 INFO L87 Difference]: Start difference. First operand 46794 states and 70370 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:45,383 INFO L93 Difference]: Finished difference Result 111282 states and 166836 transitions. [2022-10-15 22:17:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:17:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-15 22:17:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:45,555 INFO L225 Difference]: With dead ends: 111282 [2022-10-15 22:17:45,556 INFO L226 Difference]: Without dead ends: 64522 [2022-10-15 22:17:45,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:17:45,635 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 79 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:45,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 313 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:17:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64522 states. [2022-10-15 22:17:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64522 to 63868. [2022-10-15 22:17:50,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63868 states, 63844 states have (on average 1.4896936282187834) internal successors, (95108), 63867 states have internal predecessors, (95108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63868 states to 63868 states and 95108 transitions. [2022-10-15 22:17:51,040 INFO L78 Accepts]: Start accepts. Automaton has 63868 states and 95108 transitions. Word has length 98 [2022-10-15 22:17:51,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:51,040 INFO L495 AbstractCegarLoop]: Abstraction has 63868 states and 95108 transitions. [2022-10-15 22:17:51,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 63868 states and 95108 transitions. [2022-10-15 22:17:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 22:17:51,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:51,043 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:51,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:17:51,044 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:17:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:51,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2029739813, now seen corresponding path program 1 times [2022-10-15 22:17:51,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:51,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847435736] [2022-10-15 22:17:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:51,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:51,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:51,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847435736] [2022-10-15 22:17:51,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847435736] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:51,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:51,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 22:17:51,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490002886] [2022-10-15 22:17:51,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:51,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:51,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:51,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:51,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:51,556 INFO L87 Difference]: Start difference. First operand 63868 states and 95108 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:57,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:57,211 INFO L93 Difference]: Finished difference Result 127718 states and 190180 transitions. [2022-10-15 22:17:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 22:17:57,211 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-15 22:17:57,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:57,392 INFO L225 Difference]: With dead ends: 127718 [2022-10-15 22:17:57,392 INFO L226 Difference]: Without dead ends: 63886 [2022-10-15 22:17:57,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:17:57,685 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 691 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:57,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 522 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:17:57,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63886 states. [2022-10-15 22:18:03,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63886 to 63868. [2022-10-15 22:18:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63868 states, 63844 states have (on average 1.4839295783472213) internal successors, (94740), 63867 states have internal predecessors, (94740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63868 states to 63868 states and 94740 transitions. [2022-10-15 22:18:03,583 INFO L78 Accepts]: Start accepts. Automaton has 63868 states and 94740 transitions. Word has length 106 [2022-10-15 22:18:03,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:03,583 INFO L495 AbstractCegarLoop]: Abstraction has 63868 states and 94740 transitions. [2022-10-15 22:18:03,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:03,584 INFO L276 IsEmpty]: Start isEmpty. Operand 63868 states and 94740 transitions. [2022-10-15 22:18:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 22:18:03,588 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:03,588 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:03,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:18:03,588 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-15 22:18:03,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:03,589 INFO L85 PathProgramCache]: Analyzing trace with hash 839347852, now seen corresponding path program 1 times [2022-10-15 22:18:03,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:03,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608554217] [2022-10-15 22:18:03,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:03,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 22:18:03,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:03,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608554217] [2022-10-15 22:18:03,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608554217] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:03,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:03,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:03,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111974045] [2022-10-15 22:18:03,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:03,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:03,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:03,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:03,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:03,752 INFO L87 Difference]: Start difference. First operand 63868 states and 94740 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)