/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.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:25:08,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:25:08,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:25:09,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:25:09,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:25:09,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:25:09,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:25:09,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:25:09,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:25:09,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:25:09,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:25:09,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:25:09,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:25:09,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:25:09,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:25:09,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:25:09,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:25:09,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:25:09,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:25:09,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:25:09,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:25:09,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:25:09,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:25:09,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:25:09,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:25:09,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:25:09,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:25:09,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:25:09,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:25:09,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:25:09,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:25:09,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:25:09,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:25:09,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:25:09,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:25:09,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:25:09,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:25:09,124 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:25:09,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:25:09,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:25:09,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:25:09,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:25:09,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:25:09,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:25:09,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:25:09,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:25:09,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:25:09,127 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:25:09,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:25:09,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:25:09,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:25:09,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:25:09,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:25:09,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:25:09,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:25:09,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:25:09,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:25:09,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:25:09,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:25:09,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:25:09,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:25:09,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:25:09,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:25:09,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:25:09,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:25:09,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:25:09,599 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:25:09,600 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:25:09,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:25:09,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ff84cc29/f7bd4506f45e49c2a9d68fbd6ccc0cf2/FLAG794e90c50 [2022-10-16 16:25:10,372 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:25:10,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:25:10,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ff84cc29/f7bd4506f45e49c2a9d68fbd6ccc0cf2/FLAG794e90c50 [2022-10-16 16:25:10,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ff84cc29/f7bd4506f45e49c2a9d68fbd6ccc0cf2 [2022-10-16 16:25:10,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:25:10,682 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:25:10,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:25:10,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:25:10,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:25:10,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:25:10" (1/1) ... [2022-10-16 16:25:10,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfe85e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:10, skipping insertion in model container [2022-10-16 16:25:10,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:25:10" (1/1) ... [2022-10-16 16:25:10,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:25:10,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:25:11,028 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.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6636,6649] [2022-10-16 16:25:11,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:25:11,088 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:25:11,162 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.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6636,6649] [2022-10-16 16:25:11,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:25:11,253 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:25:11,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11 WrapperNode [2022-10-16 16:25:11,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:25:11,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:25:11,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:25:11,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:25:11,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,325 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 548 [2022-10-16 16:25:11,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:25:11,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:25:11,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:25:11,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:25:11,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:25:11,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:25:11,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:25:11,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:25:11,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (1/1) ... [2022-10-16 16:25:11,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:25:11,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:11,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:25:11,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:25:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:25:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:25:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:25:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:25:11,747 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:25:11,750 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:25:12,507 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:25:12,531 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:25:12,531 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:25:12,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:25:12 BoogieIcfgContainer [2022-10-16 16:25:12,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:25:12,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:25:12,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:25:12,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:25:12,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:25:10" (1/3) ... [2022-10-16 16:25:12,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5d2c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:25:12, skipping insertion in model container [2022-10-16 16:25:12,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:25:11" (2/3) ... [2022-10-16 16:25:12,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5d2c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:25:12, skipping insertion in model container [2022-10-16 16:25:12,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:25:12" (3/3) ... [2022-10-16 16:25:12,567 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:25:12,597 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:25:12,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 16:25:12,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:25:12,720 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;@23b2d875, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:25:12,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 16:25:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 153 states have (on average 1.803921568627451) internal successors, (276), 187 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:25:12,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:12,769 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] [2022-10-16 16:25:12,770 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:12,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:12,781 INFO L85 PathProgramCache]: Analyzing trace with hash -899121540, now seen corresponding path program 1 times [2022-10-16 16:25:12,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:12,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776147983] [2022-10-16 16:25:12,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:13,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:13,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776147983] [2022-10-16 16:25:13,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776147983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:13,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:13,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:13,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495642640] [2022-10-16 16:25:13,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:13,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:13,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:13,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:13,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:13,476 INFO L87 Difference]: Start difference. First operand has 188 states, 153 states have (on average 1.803921568627451) internal successors, (276), 187 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:13,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:13,772 INFO L93 Difference]: Finished difference Result 395 states and 569 transitions. [2022-10-16 16:25:13,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:13,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-10-16 16:25:13,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:13,792 INFO L225 Difference]: With dead ends: 395 [2022-10-16 16:25:13,792 INFO L226 Difference]: Without dead ends: 374 [2022-10-16 16:25:13,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:13,800 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 605 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:13,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 427 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:13,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-10-16 16:25:13,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 264. [2022-10-16 16:25:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 236 states have (on average 1.5423728813559323) internal successors, (364), 263 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 364 transitions. [2022-10-16 16:25:13,887 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 364 transitions. Word has length 39 [2022-10-16 16:25:13,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:13,887 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 364 transitions. [2022-10-16 16:25:13,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 364 transitions. [2022-10-16 16:25:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 16:25:13,890 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:13,890 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] [2022-10-16 16:25:13,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:25:13,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:13,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:13,892 INFO L85 PathProgramCache]: Analyzing trace with hash -2102963804, now seen corresponding path program 1 times [2022-10-16 16:25:13,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:13,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651609098] [2022-10-16 16:25:13,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:13,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:14,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:14,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:14,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651609098] [2022-10-16 16:25:14,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651609098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:14,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:14,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:14,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603571041] [2022-10-16 16:25:14,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:14,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:14,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:14,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:14,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:14,103 INFO L87 Difference]: Start difference. First operand 264 states and 364 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:14,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:14,311 INFO L93 Difference]: Finished difference Result 359 states and 498 transitions. [2022-10-16 16:25:14,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:14,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-16 16:25:14,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:14,316 INFO L225 Difference]: With dead ends: 359 [2022-10-16 16:25:14,317 INFO L226 Difference]: Without dead ends: 354 [2022-10-16 16:25:14,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:14,319 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 528 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:14,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 263 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:14,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-10-16 16:25:14,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 342. [2022-10-16 16:25:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 316 states have (on average 1.5506329113924051) internal successors, (490), 341 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:14,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 490 transitions. [2022-10-16 16:25:14,350 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 490 transitions. Word has length 40 [2022-10-16 16:25:14,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:14,351 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 490 transitions. [2022-10-16 16:25:14,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 490 transitions. [2022-10-16 16:25:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 16:25:14,353 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:14,353 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] [2022-10-16 16:25:14,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:25:14,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:14,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:14,354 INFO L85 PathProgramCache]: Analyzing trace with hash -767368322, now seen corresponding path program 1 times [2022-10-16 16:25:14,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:14,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910397718] [2022-10-16 16:25:14,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:14,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:14,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:14,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910397718] [2022-10-16 16:25:14,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910397718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:14,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:14,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:14,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046441903] [2022-10-16 16:25:14,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:14,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:14,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:14,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:14,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:14,559 INFO L87 Difference]: Start difference. First operand 342 states and 490 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:14,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:14,880 INFO L93 Difference]: Finished difference Result 533 states and 741 transitions. [2022-10-16 16:25:14,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:25:14,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-16 16:25:14,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:14,885 INFO L225 Difference]: With dead ends: 533 [2022-10-16 16:25:14,885 INFO L226 Difference]: Without dead ends: 528 [2022-10-16 16:25:14,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:14,888 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 812 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:14,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 549 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:14,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-10-16 16:25:14,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 415. [2022-10-16 16:25:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 391 states have (on average 1.5473145780051152) internal successors, (605), 414 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:14,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 605 transitions. [2022-10-16 16:25:14,927 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 605 transitions. Word has length 41 [2022-10-16 16:25:14,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:14,928 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 605 transitions. [2022-10-16 16:25:14,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 605 transitions. [2022-10-16 16:25:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 16:25:14,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:14,930 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] [2022-10-16 16:25:14,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:25:14,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:14,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:14,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1981385958, now seen corresponding path program 1 times [2022-10-16 16:25:14,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:14,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751875508] [2022-10-16 16:25:14,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:14,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:15,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:15,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751875508] [2022-10-16 16:25:15,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751875508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:15,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:15,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:15,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998625091] [2022-10-16 16:25:15,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:15,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:15,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:15,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:15,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:15,082 INFO L87 Difference]: Start difference. First operand 415 states and 605 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:15,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:15,319 INFO L93 Difference]: Finished difference Result 514 states and 728 transitions. [2022-10-16 16:25:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:15,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-10-16 16:25:15,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:15,325 INFO L225 Difference]: With dead ends: 514 [2022-10-16 16:25:15,325 INFO L226 Difference]: Without dead ends: 509 [2022-10-16 16:25:15,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:15,340 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 951 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:15,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 366 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:15,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-10-16 16:25:15,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 488. [2022-10-16 16:25:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 466 states have (on average 1.53862660944206) internal successors, (717), 487 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 717 transitions. [2022-10-16 16:25:15,385 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 717 transitions. Word has length 42 [2022-10-16 16:25:15,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:15,385 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 717 transitions. [2022-10-16 16:25:15,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 717 transitions. [2022-10-16 16:25:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 16:25:15,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:15,390 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] [2022-10-16 16:25:15,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:25:15,391 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:15,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:15,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1293422720, now seen corresponding path program 1 times [2022-10-16 16:25:15,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:15,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063823029] [2022-10-16 16:25:15,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:15,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:15,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:15,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063823029] [2022-10-16 16:25:15,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063823029] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:15,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:15,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:15,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788871587] [2022-10-16 16:25:15,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:15,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:15,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:15,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:15,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:15,585 INFO L87 Difference]: Start difference. First operand 488 states and 717 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:16,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:16,163 INFO L93 Difference]: Finished difference Result 1544 states and 2304 transitions. [2022-10-16 16:25:16,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:25:16,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2022-10-16 16:25:16,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:16,171 INFO L225 Difference]: With dead ends: 1544 [2022-10-16 16:25:16,172 INFO L226 Difference]: Without dead ends: 1179 [2022-10-16 16:25:16,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:25:16,176 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 1290 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:16,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 1093 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:25:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2022-10-16 16:25:16,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 832. [2022-10-16 16:25:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 812 states have (on average 1.5344827586206897) internal successors, (1246), 831 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1246 transitions. [2022-10-16 16:25:16,252 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1246 transitions. Word has length 43 [2022-10-16 16:25:16,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:16,253 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1246 transitions. [2022-10-16 16:25:16,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1246 transitions. [2022-10-16 16:25:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 16:25:16,254 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:16,255 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] [2022-10-16 16:25:16,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:25:16,255 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:16,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:16,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1441398824, now seen corresponding path program 1 times [2022-10-16 16:25:16,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:16,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455342317] [2022-10-16 16:25:16,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:16,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:16,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:16,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455342317] [2022-10-16 16:25:16,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455342317] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:16,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:16,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:16,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64615169] [2022-10-16 16:25:16,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:16,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:16,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:16,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:16,397 INFO L87 Difference]: Start difference. First operand 832 states and 1246 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:16,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:16,876 INFO L93 Difference]: Finished difference Result 1155 states and 1698 transitions. [2022-10-16 16:25:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:25:16,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-10-16 16:25:16,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:16,883 INFO L225 Difference]: With dead ends: 1155 [2022-10-16 16:25:16,884 INFO L226 Difference]: Without dead ends: 1150 [2022-10-16 16:25:16,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:25:16,886 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 1449 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:16,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 613 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:25:16,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-10-16 16:25:16,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1108. [2022-10-16 16:25:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1090 states have (on average 1.528440366972477) internal successors, (1666), 1107 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1666 transitions. [2022-10-16 16:25:16,983 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1666 transitions. Word has length 44 [2022-10-16 16:25:16,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:16,984 INFO L495 AbstractCegarLoop]: Abstraction has 1108 states and 1666 transitions. [2022-10-16 16:25:16,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1666 transitions. [2022-10-16 16:25:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:25:16,986 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:16,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:16,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:25:16,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:16,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:16,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1914060481, now seen corresponding path program 1 times [2022-10-16 16:25:16,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:16,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194020912] [2022-10-16 16:25:16,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:16,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:17,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:17,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194020912] [2022-10-16 16:25:17,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194020912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:17,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:17,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:17,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735864507] [2022-10-16 16:25:17,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:17,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:17,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:17,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:17,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:17,212 INFO L87 Difference]: Start difference. First operand 1108 states and 1666 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:17,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:17,472 INFO L93 Difference]: Finished difference Result 1564 states and 2346 transitions. [2022-10-16 16:25:17,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:17,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:25:17,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:17,481 INFO L225 Difference]: With dead ends: 1564 [2022-10-16 16:25:17,481 INFO L226 Difference]: Without dead ends: 1561 [2022-10-16 16:25:17,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:17,483 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 257 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:17,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 439 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2022-10-16 16:25:17,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1326. [2022-10-16 16:25:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 1308 states have (on average 1.532874617737003) internal successors, (2005), 1325 states have internal predecessors, (2005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 2005 transitions. [2022-10-16 16:25:17,606 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 2005 transitions. Word has length 74 [2022-10-16 16:25:17,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:17,607 INFO L495 AbstractCegarLoop]: Abstraction has 1326 states and 2005 transitions. [2022-10-16 16:25:17,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 2005 transitions. [2022-10-16 16:25:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:25:17,609 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:17,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:17,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:25:17,610 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:17,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:17,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1762724681, now seen corresponding path program 1 times [2022-10-16 16:25:17,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:17,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247597247] [2022-10-16 16:25:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:17,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:17,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:17,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247597247] [2022-10-16 16:25:17,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247597247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:17,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:17,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:17,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233629956] [2022-10-16 16:25:17,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:17,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:17,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:17,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:17,765 INFO L87 Difference]: Start difference. First operand 1326 states and 2005 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:18,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:18,066 INFO L93 Difference]: Finished difference Result 1774 states and 2668 transitions. [2022-10-16 16:25:18,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:18,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:25:18,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:18,077 INFO L225 Difference]: With dead ends: 1774 [2022-10-16 16:25:18,077 INFO L226 Difference]: Without dead ends: 1771 [2022-10-16 16:25:18,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:18,079 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 274 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:18,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 589 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:18,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2022-10-16 16:25:18,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1747. [2022-10-16 16:25:18,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1729 states have (on average 1.537883169462117) internal successors, (2659), 1746 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2659 transitions. [2022-10-16 16:25:18,236 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2659 transitions. Word has length 74 [2022-10-16 16:25:18,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:18,237 INFO L495 AbstractCegarLoop]: Abstraction has 1747 states and 2659 transitions. [2022-10-16 16:25:18,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2659 transitions. [2022-10-16 16:25:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:25:18,238 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:18,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:18,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:25:18,239 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:18,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:18,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1190109479, now seen corresponding path program 1 times [2022-10-16 16:25:18,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:18,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611107963] [2022-10-16 16:25:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:18,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:18,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:18,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611107963] [2022-10-16 16:25:18,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611107963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:18,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:18,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:18,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554328218] [2022-10-16 16:25:18,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:18,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:18,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:18,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:18,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:18,397 INFO L87 Difference]: Start difference. First operand 1747 states and 2659 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:18,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:18,628 INFO L93 Difference]: Finished difference Result 1759 states and 2659 transitions. [2022-10-16 16:25:18,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:18,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:25:18,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:18,638 INFO L225 Difference]: With dead ends: 1759 [2022-10-16 16:25:18,639 INFO L226 Difference]: Without dead ends: 1756 [2022-10-16 16:25:18,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:18,642 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 273 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:18,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 411 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:18,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2022-10-16 16:25:18,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1744. [2022-10-16 16:25:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1729 states have (on average 1.5274725274725274) internal successors, (2641), 1743 states have internal predecessors, (2641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2641 transitions. [2022-10-16 16:25:18,827 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2641 transitions. Word has length 75 [2022-10-16 16:25:18,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:18,827 INFO L495 AbstractCegarLoop]: Abstraction has 1744 states and 2641 transitions. [2022-10-16 16:25:18,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:18,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2641 transitions. [2022-10-16 16:25:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:25:18,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:18,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:18,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:25:18,830 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:18,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1166111295, now seen corresponding path program 1 times [2022-10-16 16:25:18,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:18,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265303232] [2022-10-16 16:25:18,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:18,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:18,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265303232] [2022-10-16 16:25:18,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265303232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:18,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:18,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:18,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54947110] [2022-10-16 16:25:18,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:18,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:18,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:18,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:18,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:18,973 INFO L87 Difference]: Start difference. First operand 1744 states and 2641 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:19,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:19,430 INFO L93 Difference]: Finished difference Result 1978 states and 2963 transitions. [2022-10-16 16:25:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:19,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:25:19,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:19,441 INFO L225 Difference]: With dead ends: 1978 [2022-10-16 16:25:19,442 INFO L226 Difference]: Without dead ends: 1975 [2022-10-16 16:25:19,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:25:19,443 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 627 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:19,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 539 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:25:19,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2022-10-16 16:25:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1951. [2022-10-16 16:25:19,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1936 states have (on average 1.5258264462809918) internal successors, (2954), 1950 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2954 transitions. [2022-10-16 16:25:19,668 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2954 transitions. Word has length 76 [2022-10-16 16:25:19,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:19,669 INFO L495 AbstractCegarLoop]: Abstraction has 1951 states and 2954 transitions. [2022-10-16 16:25:19,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2954 transitions. [2022-10-16 16:25:19,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:25:19,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:19,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:19,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:25:19,673 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:19,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:19,677 INFO L85 PathProgramCache]: Analyzing trace with hash 847510007, now seen corresponding path program 1 times [2022-10-16 16:25:19,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:19,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103478293] [2022-10-16 16:25:19,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:19,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:19,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:19,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103478293] [2022-10-16 16:25:19,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103478293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:19,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:19,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:19,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792048168] [2022-10-16 16:25:19,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:19,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:19,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:19,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:19,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:19,822 INFO L87 Difference]: Start difference. First operand 1951 states and 2954 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:20,177 INFO L93 Difference]: Finished difference Result 1975 states and 2954 transitions. [2022-10-16 16:25:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:20,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:25:20,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:20,188 INFO L225 Difference]: With dead ends: 1975 [2022-10-16 16:25:20,188 INFO L226 Difference]: Without dead ends: 1972 [2022-10-16 16:25:20,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:25:20,190 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 479 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:20,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 665 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:20,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2022-10-16 16:25:20,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1951. [2022-10-16 16:25:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1936 states have (on average 1.5211776859504131) internal successors, (2945), 1950 states have internal predecessors, (2945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2945 transitions. [2022-10-16 16:25:20,355 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2945 transitions. Word has length 76 [2022-10-16 16:25:20,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:20,356 INFO L495 AbstractCegarLoop]: Abstraction has 1951 states and 2945 transitions. [2022-10-16 16:25:20,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2945 transitions. [2022-10-16 16:25:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:25:20,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:20,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:20,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:25:20,358 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:20,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:20,358 INFO L85 PathProgramCache]: Analyzing trace with hash -440035319, now seen corresponding path program 1 times [2022-10-16 16:25:20,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:20,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577427718] [2022-10-16 16:25:20,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:20,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:20,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:20,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577427718] [2022-10-16 16:25:20,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577427718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:20,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:20,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:25:20,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026708498] [2022-10-16 16:25:20,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:20,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:25:20,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:20,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:25:20,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:20,479 INFO L87 Difference]: Start difference. First operand 1951 states and 2945 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:20,794 INFO L93 Difference]: Finished difference Result 2185 states and 3276 transitions. [2022-10-16 16:25:20,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:25:20,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:25:20,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:20,807 INFO L225 Difference]: With dead ends: 2185 [2022-10-16 16:25:20,807 INFO L226 Difference]: Without dead ends: 2182 [2022-10-16 16:25:20,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:25:20,809 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 252 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:20,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 649 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2022-10-16 16:25:20,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 1951. [2022-10-16 16:25:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1936 states have (on average 1.5118801652892562) internal successors, (2927), 1950 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2927 transitions. [2022-10-16 16:25:20,991 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2927 transitions. Word has length 76 [2022-10-16 16:25:20,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:20,991 INFO L495 AbstractCegarLoop]: Abstraction has 1951 states and 2927 transitions. [2022-10-16 16:25:20,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2927 transitions. [2022-10-16 16:25:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:25:20,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:20,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:20,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:25:20,993 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:20,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:20,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1761312075, now seen corresponding path program 1 times [2022-10-16 16:25:20,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:20,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169154848] [2022-10-16 16:25:20,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:21,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:21,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169154848] [2022-10-16 16:25:21,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169154848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:21,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:21,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:21,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289985712] [2022-10-16 16:25:21,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:21,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:21,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:21,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:21,134 INFO L87 Difference]: Start difference. First operand 1951 states and 2927 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:21,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:21,538 INFO L93 Difference]: Finished difference Result 2398 states and 3580 transitions. [2022-10-16 16:25:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:21,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:25:21,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:21,552 INFO L225 Difference]: With dead ends: 2398 [2022-10-16 16:25:21,552 INFO L226 Difference]: Without dead ends: 2395 [2022-10-16 16:25:21,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:25:21,555 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 564 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:21,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 763 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:21,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2022-10-16 16:25:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2164. [2022-10-16 16:25:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2164 states, 2149 states have (on average 1.5118659841786877) internal successors, (3249), 2163 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 3249 transitions. [2022-10-16 16:25:21,745 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 3249 transitions. Word has length 76 [2022-10-16 16:25:21,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:21,746 INFO L495 AbstractCegarLoop]: Abstraction has 2164 states and 3249 transitions. [2022-10-16 16:25:21,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 3249 transitions. [2022-10-16 16:25:21,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:25:21,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:21,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:21,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:25:21,748 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:21,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:21,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1789711515, now seen corresponding path program 1 times [2022-10-16 16:25:21,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:21,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040408692] [2022-10-16 16:25:21,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:21,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:21,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:21,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040408692] [2022-10-16 16:25:21,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040408692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:21,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:21,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:21,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748167942] [2022-10-16 16:25:21,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:21,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:21,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:21,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:21,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:21,909 INFO L87 Difference]: Start difference. First operand 2164 states and 3249 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:22,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:22,335 INFO L93 Difference]: Finished difference Result 3019 states and 4537 transitions. [2022-10-16 16:25:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:22,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:25:22,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:22,353 INFO L225 Difference]: With dead ends: 3019 [2022-10-16 16:25:22,353 INFO L226 Difference]: Without dead ends: 3016 [2022-10-16 16:25:22,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:25:22,356 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 740 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:22,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 429 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:22,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3016 states. [2022-10-16 16:25:22,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 2785. [2022-10-16 16:25:22,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 2770 states have (on average 1.5151624548736462) internal successors, (4197), 2784 states have internal predecessors, (4197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 4197 transitions. [2022-10-16 16:25:22,697 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 4197 transitions. Word has length 77 [2022-10-16 16:25:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:22,697 INFO L495 AbstractCegarLoop]: Abstraction has 2785 states and 4197 transitions. [2022-10-16 16:25:22,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 4197 transitions. [2022-10-16 16:25:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:25:22,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:22,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:22,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:25:22,699 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:22,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1233900261, now seen corresponding path program 1 times [2022-10-16 16:25:22,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:22,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320754445] [2022-10-16 16:25:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:22,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:22,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:22,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320754445] [2022-10-16 16:25:22,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320754445] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:22,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:22,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:22,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782670998] [2022-10-16 16:25:22,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:22,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:22,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:22,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:22,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:22,849 INFO L87 Difference]: Start difference. First operand 2785 states and 4197 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:23,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:23,275 INFO L93 Difference]: Finished difference Result 3643 states and 5503 transitions. [2022-10-16 16:25:23,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:23,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:25:23,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:23,294 INFO L225 Difference]: With dead ends: 3643 [2022-10-16 16:25:23,294 INFO L226 Difference]: Without dead ends: 3640 [2022-10-16 16:25:23,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:25:23,297 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 509 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:23,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 573 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:23,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3640 states. [2022-10-16 16:25:23,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3640 to 3613. [2022-10-16 16:25:23,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3613 states, 3598 states have (on average 1.5169538632573651) internal successors, (5458), 3612 states have internal predecessors, (5458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 3613 states and 5458 transitions. [2022-10-16 16:25:23,658 INFO L78 Accepts]: Start accepts. Automaton has 3613 states and 5458 transitions. Word has length 77 [2022-10-16 16:25:23,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:23,659 INFO L495 AbstractCegarLoop]: Abstraction has 3613 states and 5458 transitions. [2022-10-16 16:25:23,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:23,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5458 transitions. [2022-10-16 16:25:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:25:23,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:23,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:23,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:25:23,661 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:23,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:23,662 INFO L85 PathProgramCache]: Analyzing trace with hash 353518147, now seen corresponding path program 1 times [2022-10-16 16:25:23,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:23,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122963787] [2022-10-16 16:25:23,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:23,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:23,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:23,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122963787] [2022-10-16 16:25:23,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122963787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:23,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:23,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:23,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578857887] [2022-10-16 16:25:23,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:23,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:23,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:23,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:23,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:23,828 INFO L87 Difference]: Start difference. First operand 3613 states and 5458 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:24,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:24,379 INFO L93 Difference]: Finished difference Result 6821 states and 10314 transitions. [2022-10-16 16:25:24,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:24,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:25:24,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:24,394 INFO L225 Difference]: With dead ends: 6821 [2022-10-16 16:25:24,394 INFO L226 Difference]: Without dead ends: 3908 [2022-10-16 16:25:24,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:24,400 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 915 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:24,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 705 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:24,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2022-10-16 16:25:24,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3890. [2022-10-16 16:25:24,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 3875 states have (on average 1.5101935483870967) internal successors, (5852), 3889 states have internal predecessors, (5852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 5852 transitions. [2022-10-16 16:25:24,707 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 5852 transitions. Word has length 78 [2022-10-16 16:25:24,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:24,708 INFO L495 AbstractCegarLoop]: Abstraction has 3890 states and 5852 transitions. [2022-10-16 16:25:24,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:24,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 5852 transitions. [2022-10-16 16:25:24,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:25:24,709 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:24,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:24,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:25:24,710 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:24,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:24,710 INFO L85 PathProgramCache]: Analyzing trace with hash -3796681, now seen corresponding path program 1 times [2022-10-16 16:25:24,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:24,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123444097] [2022-10-16 16:25:24,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:24,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:24,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:24,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123444097] [2022-10-16 16:25:24,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123444097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:24,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:24,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:24,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72611376] [2022-10-16 16:25:24,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:24,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:24,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:24,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:24,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:24,908 INFO L87 Difference]: Start difference. First operand 3890 states and 5852 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:25,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:25,505 INFO L93 Difference]: Finished difference Result 4121 states and 6165 transitions. [2022-10-16 16:25:25,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:25,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:25:25,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:25,518 INFO L225 Difference]: With dead ends: 4121 [2022-10-16 16:25:25,519 INFO L226 Difference]: Without dead ends: 4118 [2022-10-16 16:25:25,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:25,522 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 366 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:25,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 830 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4118 states. [2022-10-16 16:25:25,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4118 to 3890. [2022-10-16 16:25:25,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 3875 states have (on average 1.5078709677419355) internal successors, (5843), 3889 states have internal predecessors, (5843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:25,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 5843 transitions. [2022-10-16 16:25:25,873 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 5843 transitions. Word has length 78 [2022-10-16 16:25:25,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:25,873 INFO L495 AbstractCegarLoop]: Abstraction has 3890 states and 5843 transitions. [2022-10-16 16:25:25,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 5843 transitions. [2022-10-16 16:25:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:25:25,875 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:25,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:25,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:25:25,875 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:25,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:25,876 INFO L85 PathProgramCache]: Analyzing trace with hash -447338601, now seen corresponding path program 1 times [2022-10-16 16:25:25,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:25,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213599362] [2022-10-16 16:25:25,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:25,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:26,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:26,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213599362] [2022-10-16 16:25:26,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213599362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:26,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:26,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:26,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915814167] [2022-10-16 16:25:26,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:26,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:26,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:26,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:26,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:26,026 INFO L87 Difference]: Start difference. First operand 3890 states and 5843 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:26,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:26,549 INFO L93 Difference]: Finished difference Result 7370 states and 11095 transitions. [2022-10-16 16:25:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:25:26,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:25:26,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:26,560 INFO L225 Difference]: With dead ends: 7370 [2022-10-16 16:25:26,560 INFO L226 Difference]: Without dead ends: 3905 [2022-10-16 16:25:26,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:26,568 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 883 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:26,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 769 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:26,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3905 states. [2022-10-16 16:25:26,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3905 to 3890. [2022-10-16 16:25:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 3875 states have (on average 1.5068387096774194) internal successors, (5839), 3889 states have internal predecessors, (5839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 5839 transitions. [2022-10-16 16:25:26,900 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 5839 transitions. Word has length 78 [2022-10-16 16:25:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:26,901 INFO L495 AbstractCegarLoop]: Abstraction has 3890 states and 5839 transitions. [2022-10-16 16:25:26,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 5839 transitions. [2022-10-16 16:25:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:25:26,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:26,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:26,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:25:26,903 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:26,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:26,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1586661127, now seen corresponding path program 1 times [2022-10-16 16:25:26,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:26,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226663426] [2022-10-16 16:25:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:27,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:27,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226663426] [2022-10-16 16:25:27,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226663426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:27,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:27,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:27,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074319973] [2022-10-16 16:25:27,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:27,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:27,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:27,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:27,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:27,050 INFO L87 Difference]: Start difference. First operand 3890 states and 5839 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:27,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:27,645 INFO L93 Difference]: Finished difference Result 7235 states and 10892 transitions. [2022-10-16 16:25:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:27,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:25:27,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:27,656 INFO L225 Difference]: With dead ends: 7235 [2022-10-16 16:25:27,657 INFO L226 Difference]: Without dead ends: 4115 [2022-10-16 16:25:27,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:27,663 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 813 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:27,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 908 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:27,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2022-10-16 16:25:27,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 4097. [2022-10-16 16:25:27,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4097 states, 4082 states have (on average 1.5029397354238119) internal successors, (6135), 4096 states have internal predecessors, (6135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 4097 states and 6135 transitions. [2022-10-16 16:25:27,952 INFO L78 Accepts]: Start accepts. Automaton has 4097 states and 6135 transitions. Word has length 78 [2022-10-16 16:25:27,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:27,952 INFO L495 AbstractCegarLoop]: Abstraction has 4097 states and 6135 transitions. [2022-10-16 16:25:27,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 6135 transitions. [2022-10-16 16:25:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:25:27,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:27,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:27,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:25:27,954 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:27,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1967138293, now seen corresponding path program 1 times [2022-10-16 16:25:27,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:27,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79286855] [2022-10-16 16:25:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:27,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:28,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:28,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:28,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79286855] [2022-10-16 16:25:28,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79286855] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:28,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:28,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:28,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642187313] [2022-10-16 16:25:28,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:28,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:28,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:28,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:28,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:28,100 INFO L87 Difference]: Start difference. First operand 4097 states and 6135 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:28,735 INFO L93 Difference]: Finished difference Result 4958 states and 7414 transitions. [2022-10-16 16:25:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:28,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:25:28,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:28,749 INFO L225 Difference]: With dead ends: 4958 [2022-10-16 16:25:28,750 INFO L226 Difference]: Without dead ends: 4955 [2022-10-16 16:25:28,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:28,753 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 395 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:28,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 851 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:28,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4955 states. [2022-10-16 16:25:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4955 to 4925. [2022-10-16 16:25:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4925 states, 4910 states have (on average 1.5063136456211812) internal successors, (7396), 4924 states have internal predecessors, (7396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4925 states to 4925 states and 7396 transitions. [2022-10-16 16:25:29,129 INFO L78 Accepts]: Start accepts. Automaton has 4925 states and 7396 transitions. Word has length 78 [2022-10-16 16:25:29,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:29,129 INFO L495 AbstractCegarLoop]: Abstraction has 4925 states and 7396 transitions. [2022-10-16 16:25:29,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4925 states and 7396 transitions. [2022-10-16 16:25:29,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:25:29,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:29,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:29,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:25:29,131 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:29,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:29,132 INFO L85 PathProgramCache]: Analyzing trace with hash 403797837, now seen corresponding path program 1 times [2022-10-16 16:25:29,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:29,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876251067] [2022-10-16 16:25:29,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:29,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:29,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:29,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876251067] [2022-10-16 16:25:29,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876251067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:29,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:29,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:29,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700131567] [2022-10-16 16:25:29,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:29,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:29,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:29,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:29,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:29,314 INFO L87 Difference]: Start difference. First operand 4925 states and 7396 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:30,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:30,028 INFO L93 Difference]: Finished difference Result 7647 states and 11475 transitions. [2022-10-16 16:25:30,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:30,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:25:30,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:30,043 INFO L225 Difference]: With dead ends: 7647 [2022-10-16 16:25:30,043 INFO L226 Difference]: Without dead ends: 5565 [2022-10-16 16:25:30,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:30,050 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 890 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:30,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 891 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:25:30,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5565 states. [2022-10-16 16:25:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5565 to 5133. [2022-10-16 16:25:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5133 states, 5118 states have (on average 1.5031262211801486) internal successors, (7693), 5132 states have internal predecessors, (7693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5133 states to 5133 states and 7693 transitions. [2022-10-16 16:25:30,476 INFO L78 Accepts]: Start accepts. Automaton has 5133 states and 7693 transitions. Word has length 78 [2022-10-16 16:25:30,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:30,476 INFO L495 AbstractCegarLoop]: Abstraction has 5133 states and 7693 transitions. [2022-10-16 16:25:30,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5133 states and 7693 transitions. [2022-10-16 16:25:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:25:30,477 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:30,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:30,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:25:30,478 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:30,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:30,479 INFO L85 PathProgramCache]: Analyzing trace with hash 46483009, now seen corresponding path program 1 times [2022-10-16 16:25:30,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:30,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307689498] [2022-10-16 16:25:30,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:30,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:30,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:30,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307689498] [2022-10-16 16:25:30,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307689498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:30,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:30,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:30,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860275946] [2022-10-16 16:25:30,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:30,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:30,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:30,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:30,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:30,626 INFO L87 Difference]: Start difference. First operand 5133 states and 7693 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:31,253 INFO L93 Difference]: Finished difference Result 5778 states and 8632 transitions. [2022-10-16 16:25:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:31,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:25:31,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:31,269 INFO L225 Difference]: With dead ends: 5778 [2022-10-16 16:25:31,269 INFO L226 Difference]: Without dead ends: 5775 [2022-10-16 16:25:31,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:31,274 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 365 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:31,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 851 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:31,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5775 states. [2022-10-16 16:25:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5775 to 5754. [2022-10-16 16:25:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5754 states, 5739 states have (on average 1.5009583551141314) internal successors, (8614), 5753 states have internal predecessors, (8614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5754 states to 5754 states and 8614 transitions. [2022-10-16 16:25:31,788 INFO L78 Accepts]: Start accepts. Automaton has 5754 states and 8614 transitions. Word has length 78 [2022-10-16 16:25:31,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:31,788 INFO L495 AbstractCegarLoop]: Abstraction has 5754 states and 8614 transitions. [2022-10-16 16:25:31,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 5754 states and 8614 transitions. [2022-10-16 16:25:31,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:25:31,789 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:31,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:31,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:25:31,793 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:31,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:31,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1925839065, now seen corresponding path program 1 times [2022-10-16 16:25:31,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:31,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536880006] [2022-10-16 16:25:31,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:31,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:31,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:31,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536880006] [2022-10-16 16:25:31,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536880006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:31,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:31,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:31,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261676400] [2022-10-16 16:25:31,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:31,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:31,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:31,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:31,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:31,973 INFO L87 Difference]: Start difference. First operand 5754 states and 8614 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:32,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:32,970 INFO L93 Difference]: Finished difference Result 12085 states and 18181 transitions. [2022-10-16 16:25:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:32,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:25:32,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:32,994 INFO L225 Difference]: With dead ends: 12085 [2022-10-16 16:25:32,994 INFO L226 Difference]: Without dead ends: 8137 [2022-10-16 16:25:33,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:33,003 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 986 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:33,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [986 Valid, 611 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:33,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8137 states. [2022-10-16 16:25:33,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8137 to 7756. [2022-10-16 16:25:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7756 states, 7741 states have (on average 1.5045859708048055) internal successors, (11647), 7755 states have internal predecessors, (11647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 11647 transitions. [2022-10-16 16:25:33,725 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 11647 transitions. Word has length 79 [2022-10-16 16:25:33,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:33,725 INFO L495 AbstractCegarLoop]: Abstraction has 7756 states and 11647 transitions. [2022-10-16 16:25:33,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 11647 transitions. [2022-10-16 16:25:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:25:33,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:33,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:33,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:25:33,727 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:33,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:33,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1941854415, now seen corresponding path program 1 times [2022-10-16 16:25:33,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:33,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463296152] [2022-10-16 16:25:33,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:33,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:33,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:33,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463296152] [2022-10-16 16:25:33,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463296152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:33,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:33,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:33,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246140358] [2022-10-16 16:25:33,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:33,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:33,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:33,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:33,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:33,882 INFO L87 Difference]: Start difference. First operand 7756 states and 11647 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:34,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:34,591 INFO L93 Difference]: Finished difference Result 14909 states and 22429 transitions. [2022-10-16 16:25:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:34,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:25:34,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:34,613 INFO L225 Difference]: With dead ends: 14909 [2022-10-16 16:25:34,614 INFO L226 Difference]: Without dead ends: 8684 [2022-10-16 16:25:34,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:34,626 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 989 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:34,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 588 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:34,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8684 states. [2022-10-16 16:25:35,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8684 to 8378. [2022-10-16 16:25:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8378 states, 8363 states have (on average 1.506995097453067) internal successors, (12603), 8377 states have internal predecessors, (12603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8378 states to 8378 states and 12603 transitions. [2022-10-16 16:25:35,445 INFO L78 Accepts]: Start accepts. Automaton has 8378 states and 12603 transitions. Word has length 79 [2022-10-16 16:25:35,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:35,445 INFO L495 AbstractCegarLoop]: Abstraction has 8378 states and 12603 transitions. [2022-10-16 16:25:35,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand 8378 states and 12603 transitions. [2022-10-16 16:25:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:25:35,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:35,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:35,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:25:35,447 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:35,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:35,448 INFO L85 PathProgramCache]: Analyzing trace with hash -851744677, now seen corresponding path program 1 times [2022-10-16 16:25:35,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:35,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360546140] [2022-10-16 16:25:35,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:35,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:35,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:35,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360546140] [2022-10-16 16:25:35,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360546140] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:35,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:35,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:35,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239196814] [2022-10-16 16:25:35,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:35,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:35,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:35,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:35,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:35,579 INFO L87 Difference]: Start difference. First operand 8378 states and 12603 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:36,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:36,433 INFO L93 Difference]: Finished difference Result 8399 states and 12603 transitions. [2022-10-16 16:25:36,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:36,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:25:36,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:36,457 INFO L225 Difference]: With dead ends: 8399 [2022-10-16 16:25:36,457 INFO L226 Difference]: Without dead ends: 8396 [2022-10-16 16:25:36,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:36,461 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 396 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:36,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 679 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:36,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8396 states. [2022-10-16 16:25:37,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8396 to 7688. [2022-10-16 16:25:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7688 states, 7673 states have (on average 1.4971979668969113) internal successors, (11488), 7687 states have internal predecessors, (11488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7688 states to 7688 states and 11488 transitions. [2022-10-16 16:25:37,170 INFO L78 Accepts]: Start accepts. Automaton has 7688 states and 11488 transitions. Word has length 79 [2022-10-16 16:25:37,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:37,170 INFO L495 AbstractCegarLoop]: Abstraction has 7688 states and 11488 transitions. [2022-10-16 16:25:37,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 7688 states and 11488 transitions. [2022-10-16 16:25:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:25:37,172 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:37,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:37,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:25:37,173 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:37,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:37,173 INFO L85 PathProgramCache]: Analyzing trace with hash -367168675, now seen corresponding path program 1 times [2022-10-16 16:25:37,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:37,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109075600] [2022-10-16 16:25:37,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:37,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:37,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109075600] [2022-10-16 16:25:37,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109075600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:37,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:37,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:37,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146959412] [2022-10-16 16:25:37,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:37,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:37,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:37,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:37,310 INFO L87 Difference]: Start difference. First operand 7688 states and 11488 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:38,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:38,629 INFO L93 Difference]: Finished difference Result 13742 states and 20539 transitions. [2022-10-16 16:25:38,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:38,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:25:38,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:38,653 INFO L225 Difference]: With dead ends: 13742 [2022-10-16 16:25:38,653 INFO L226 Difference]: Without dead ends: 9245 [2022-10-16 16:25:38,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:38,665 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 869 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:38,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 676 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:38,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9245 states. [2022-10-16 16:25:39,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9245 to 8792. [2022-10-16 16:25:39,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8792 states, 8777 states have (on average 1.5006266378033497) internal successors, (13171), 8791 states have internal predecessors, (13171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8792 states to 8792 states and 13171 transitions. [2022-10-16 16:25:39,512 INFO L78 Accepts]: Start accepts. Automaton has 8792 states and 13171 transitions. Word has length 79 [2022-10-16 16:25:39,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:39,512 INFO L495 AbstractCegarLoop]: Abstraction has 8792 states and 13171 transitions. [2022-10-16 16:25:39,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 8792 states and 13171 transitions. [2022-10-16 16:25:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:25:39,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:39,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:39,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:25:39,514 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:39,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:39,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1785687767, now seen corresponding path program 1 times [2022-10-16 16:25:39,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:39,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431078299] [2022-10-16 16:25:39,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:39,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:39,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:39,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431078299] [2022-10-16 16:25:39,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431078299] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:39,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:39,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:39,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415847625] [2022-10-16 16:25:39,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:39,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:39,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:39,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:39,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:39,660 INFO L87 Difference]: Start difference. First operand 8792 states and 13171 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:40,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:40,463 INFO L93 Difference]: Finished difference Result 8876 states and 13272 transitions. [2022-10-16 16:25:40,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:40,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:25:40,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:40,477 INFO L225 Difference]: With dead ends: 8876 [2022-10-16 16:25:40,477 INFO L226 Difference]: Without dead ends: 8873 [2022-10-16 16:25:40,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:40,480 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 631 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:40,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 769 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:40,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8873 states. [2022-10-16 16:25:41,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8873 to 8861. [2022-10-16 16:25:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8861 states, 8846 states have (on average 1.4996608636671942) internal successors, (13266), 8860 states have internal predecessors, (13266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8861 states to 8861 states and 13266 transitions. [2022-10-16 16:25:41,073 INFO L78 Accepts]: Start accepts. Automaton has 8861 states and 13266 transitions. Word has length 80 [2022-10-16 16:25:41,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:41,074 INFO L495 AbstractCegarLoop]: Abstraction has 8861 states and 13266 transitions. [2022-10-16 16:25:41,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8861 states and 13266 transitions. [2022-10-16 16:25:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:25:41,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:41,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:41,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:25:41,075 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:41,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:41,076 INFO L85 PathProgramCache]: Analyzing trace with hash 646365241, now seen corresponding path program 1 times [2022-10-16 16:25:41,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:41,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738090603] [2022-10-16 16:25:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:41,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:41,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:41,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738090603] [2022-10-16 16:25:41,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738090603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:41,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:41,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:41,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557014019] [2022-10-16 16:25:41,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:41,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:41,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:41,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:41,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:41,229 INFO L87 Difference]: Start difference. First operand 8861 states and 13266 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:41,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:41,990 INFO L93 Difference]: Finished difference Result 9506 states and 14187 transitions. [2022-10-16 16:25:41,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:41,991 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:25:41,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:42,003 INFO L225 Difference]: With dead ends: 9506 [2022-10-16 16:25:42,004 INFO L226 Difference]: Without dead ends: 9503 [2022-10-16 16:25:42,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:42,008 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 657 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:42,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 777 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:42,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9503 states. [2022-10-16 16:25:42,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9503 to 9482. [2022-10-16 16:25:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9482 states, 9467 states have (on average 1.497306432872082) internal successors, (14175), 9481 states have internal predecessors, (14175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9482 states to 9482 states and 14175 transitions. [2022-10-16 16:25:42,640 INFO L78 Accepts]: Start accepts. Automaton has 9482 states and 14175 transitions. Word has length 80 [2022-10-16 16:25:42,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:42,640 INFO L495 AbstractCegarLoop]: Abstraction has 9482 states and 14175 transitions. [2022-10-16 16:25:42,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 9482 states and 14175 transitions. [2022-10-16 16:25:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:25:42,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:42,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:42,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:25:42,641 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:42,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:42,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1289211917, now seen corresponding path program 1 times [2022-10-16 16:25:42,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:42,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186086293] [2022-10-16 16:25:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:42,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:42,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186086293] [2022-10-16 16:25:42,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186086293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:42,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:42,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:42,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489867186] [2022-10-16 16:25:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:42,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:42,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:42,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:42,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:42,783 INFO L87 Difference]: Start difference. First operand 9482 states and 14175 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:43,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:43,685 INFO L93 Difference]: Finished difference Result 9566 states and 14276 transitions. [2022-10-16 16:25:43,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:43,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:25:43,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:43,698 INFO L225 Difference]: With dead ends: 9566 [2022-10-16 16:25:43,699 INFO L226 Difference]: Without dead ends: 9563 [2022-10-16 16:25:43,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:43,702 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 632 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:43,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 756 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:43,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9563 states. [2022-10-16 16:25:44,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9563 to 9551. [2022-10-16 16:25:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9551 states, 9536 states have (on average 1.4964345637583893) internal successors, (14270), 9550 states have internal predecessors, (14270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 14270 transitions. [2022-10-16 16:25:44,517 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 14270 transitions. Word has length 80 [2022-10-16 16:25:44,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:44,517 INFO L495 AbstractCegarLoop]: Abstraction has 9551 states and 14270 transitions. [2022-10-16 16:25:44,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 14270 transitions. [2022-10-16 16:25:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:25:44,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:44,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:44,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:25:44,519 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:44,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:44,520 INFO L85 PathProgramCache]: Analyzing trace with hash -634280947, now seen corresponding path program 1 times [2022-10-16 16:25:44,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:44,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39558789] [2022-10-16 16:25:44,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:44,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:44,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:44,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39558789] [2022-10-16 16:25:44,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39558789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:44,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:44,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:44,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513356599] [2022-10-16 16:25:44,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:44,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:44,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:44,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:44,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:44,661 INFO L87 Difference]: Start difference. First operand 9551 states and 14270 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:45,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:45,476 INFO L93 Difference]: Finished difference Result 10208 states and 15209 transitions. [2022-10-16 16:25:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:45,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:25:45,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:45,492 INFO L225 Difference]: With dead ends: 10208 [2022-10-16 16:25:45,493 INFO L226 Difference]: Without dead ends: 10205 [2022-10-16 16:25:45,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:45,496 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 681 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:45,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 877 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:45,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10205 states. [2022-10-16 16:25:46,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10205 to 10172. [2022-10-16 16:25:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10172 states, 10157 states have (on average 1.4962095106822881) internal successors, (15197), 10171 states have internal predecessors, (15197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10172 states to 10172 states and 15197 transitions. [2022-10-16 16:25:46,201 INFO L78 Accepts]: Start accepts. Automaton has 10172 states and 15197 transitions. Word has length 80 [2022-10-16 16:25:46,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:46,202 INFO L495 AbstractCegarLoop]: Abstraction has 10172 states and 15197 transitions. [2022-10-16 16:25:46,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 10172 states and 15197 transitions. [2022-10-16 16:25:46,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:25:46,203 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:46,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:46,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:25:46,204 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:46,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:46,204 INFO L85 PathProgramCache]: Analyzing trace with hash -991595775, now seen corresponding path program 1 times [2022-10-16 16:25:46,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:46,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443060035] [2022-10-16 16:25:46,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:46,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:46,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:46,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:46,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443060035] [2022-10-16 16:25:46,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443060035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:46,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:46,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:25:46,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055677005] [2022-10-16 16:25:46,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:46,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:46,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:46,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:46,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:46,322 INFO L87 Difference]: Start difference. First operand 10172 states and 15197 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:47,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:47,196 INFO L93 Difference]: Finished difference Result 11372 states and 16970 transitions. [2022-10-16 16:25:47,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:47,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:25:47,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:47,211 INFO L225 Difference]: With dead ends: 11372 [2022-10-16 16:25:47,211 INFO L226 Difference]: Without dead ends: 11369 [2022-10-16 16:25:47,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:25:47,214 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 356 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:47,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 900 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:47,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11369 states. [2022-10-16 16:25:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11369 to 10724. [2022-10-16 16:25:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10724 states, 10709 states have (on average 1.489121299841255) internal successors, (15947), 10723 states have internal predecessors, (15947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10724 states to 10724 states and 15947 transitions. [2022-10-16 16:25:47,839 INFO L78 Accepts]: Start accepts. Automaton has 10724 states and 15947 transitions. Word has length 80 [2022-10-16 16:25:47,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:47,840 INFO L495 AbstractCegarLoop]: Abstraction has 10724 states and 15947 transitions. [2022-10-16 16:25:47,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 10724 states and 15947 transitions. [2022-10-16 16:25:47,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:25:47,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:47,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:47,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:25:47,842 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:47,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:47,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1435137695, now seen corresponding path program 1 times [2022-10-16 16:25:47,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:47,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933238446] [2022-10-16 16:25:47,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:47,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:47,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:47,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933238446] [2022-10-16 16:25:47,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933238446] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:47,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:47,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:47,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379117070] [2022-10-16 16:25:47,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:47,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:47,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:47,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:47,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:47,988 INFO L87 Difference]: Start difference. First operand 10724 states and 15947 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:48,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:48,880 INFO L93 Difference]: Finished difference Result 10808 states and 16048 transitions. [2022-10-16 16:25:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:48,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:25:48,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:48,893 INFO L225 Difference]: With dead ends: 10808 [2022-10-16 16:25:48,893 INFO L226 Difference]: Without dead ends: 10805 [2022-10-16 16:25:48,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:48,896 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 629 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:48,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 867 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:48,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10805 states. [2022-10-16 16:25:49,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10805 to 10793. [2022-10-16 16:25:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10793 states, 10778 states have (on average 1.4886806457598813) internal successors, (16045), 10792 states have internal predecessors, (16045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:49,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10793 states to 10793 states and 16045 transitions. [2022-10-16 16:25:49,543 INFO L78 Accepts]: Start accepts. Automaton has 10793 states and 16045 transitions. Word has length 80 [2022-10-16 16:25:49,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:49,544 INFO L495 AbstractCegarLoop]: Abstraction has 10793 states and 16045 transitions. [2022-10-16 16:25:49,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 10793 states and 16045 transitions. [2022-10-16 16:25:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:25:49,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:49,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:49,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:25:49,546 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:49,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:49,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1720507075, now seen corresponding path program 1 times [2022-10-16 16:25:49,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:49,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603445464] [2022-10-16 16:25:49,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:49,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:49,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:49,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603445464] [2022-10-16 16:25:49,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603445464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:49,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:49,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:49,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079407431] [2022-10-16 16:25:49,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:49,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:49,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:49,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:49,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:49,726 INFO L87 Difference]: Start difference. First operand 10793 states and 16045 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:50,794 INFO L93 Difference]: Finished difference Result 11438 states and 16966 transitions. [2022-10-16 16:25:50,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:50,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:25:50,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:50,808 INFO L225 Difference]: With dead ends: 11438 [2022-10-16 16:25:50,809 INFO L226 Difference]: Without dead ends: 11435 [2022-10-16 16:25:50,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:50,813 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 644 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:50,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 874 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:50,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11435 states. [2022-10-16 16:25:51,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11435 to 11414. [2022-10-16 16:25:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11414 states, 11399 states have (on average 1.4873234494253882) internal successors, (16954), 11413 states have internal predecessors, (16954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11414 states to 11414 states and 16954 transitions. [2022-10-16 16:25:51,515 INFO L78 Accepts]: Start accepts. Automaton has 11414 states and 16954 transitions. Word has length 80 [2022-10-16 16:25:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:51,516 INFO L495 AbstractCegarLoop]: Abstraction has 11414 states and 16954 transitions. [2022-10-16 16:25:51,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 11414 states and 16954 transitions. [2022-10-16 16:25:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:25:51,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:51,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:51,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:25:51,517 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:51,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1437513743, now seen corresponding path program 1 times [2022-10-16 16:25:51,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:51,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65157214] [2022-10-16 16:25:51,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:51,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:51,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:51,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65157214] [2022-10-16 16:25:51,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65157214] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:51,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:51,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:51,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145822348] [2022-10-16 16:25:51,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:51,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:51,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:51,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:51,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:51,653 INFO L87 Difference]: Start difference. First operand 11414 states and 16954 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:52,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:52,733 INFO L93 Difference]: Finished difference Result 21479 states and 32062 transitions. [2022-10-16 16:25:52,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:52,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 16:25:52,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:52,757 INFO L225 Difference]: With dead ends: 21479 [2022-10-16 16:25:52,757 INFO L226 Difference]: Without dead ends: 14771 [2022-10-16 16:25:52,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:52,774 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 660 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:52,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 677 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:52,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14771 states. [2022-10-16 16:25:53,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14771 to 13356. [2022-10-16 16:25:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13356 states, 13341 states have (on average 1.4967393748594557) internal successors, (19968), 13355 states have internal predecessors, (19968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13356 states to 13356 states and 19968 transitions. [2022-10-16 16:25:53,632 INFO L78 Accepts]: Start accepts. Automaton has 13356 states and 19968 transitions. Word has length 81 [2022-10-16 16:25:53,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:53,632 INFO L495 AbstractCegarLoop]: Abstraction has 13356 states and 19968 transitions. [2022-10-16 16:25:53,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:53,632 INFO L276 IsEmpty]: Start isEmpty. Operand 13356 states and 19968 transitions. [2022-10-16 16:25:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:25:53,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:53,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:53,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:25:53,634 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:53,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:53,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1812127389, now seen corresponding path program 1 times [2022-10-16 16:25:53,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:53,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333815765] [2022-10-16 16:25:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:53,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:53,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:53,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333815765] [2022-10-16 16:25:53,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333815765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:53,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:53,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:53,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354612447] [2022-10-16 16:25:53,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:53,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:53,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:53,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:53,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:53,774 INFO L87 Difference]: Start difference. First operand 13356 states and 19968 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:54,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:54,924 INFO L93 Difference]: Finished difference Result 20473 states and 30514 transitions. [2022-10-16 16:25:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:54,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 16:25:54,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:54,948 INFO L225 Difference]: With dead ends: 20473 [2022-10-16 16:25:54,949 INFO L226 Difference]: Without dead ends: 15268 [2022-10-16 16:25:54,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:54,958 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 730 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:54,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 642 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:54,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15268 states. [2022-10-16 16:25:55,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15268 to 14926. [2022-10-16 16:25:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14926 states, 14911 states have (on average 1.500704178123533) internal successors, (22377), 14925 states have internal predecessors, (22377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14926 states to 14926 states and 22377 transitions. [2022-10-16 16:25:56,033 INFO L78 Accepts]: Start accepts. Automaton has 14926 states and 22377 transitions. Word has length 81 [2022-10-16 16:25:56,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:56,033 INFO L495 AbstractCegarLoop]: Abstraction has 14926 states and 22377 transitions. [2022-10-16 16:25:56,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 14926 states and 22377 transitions. [2022-10-16 16:25:56,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:25:56,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:56,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:56,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:25:56,035 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:56,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1796112039, now seen corresponding path program 1 times [2022-10-16 16:25:56,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:56,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553880801] [2022-10-16 16:25:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:56,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:56,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553880801] [2022-10-16 16:25:56,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553880801] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:56,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:56,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:56,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799432589] [2022-10-16 16:25:56,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:56,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:56,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:56,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:56,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:56,204 INFO L87 Difference]: Start difference. First operand 14926 states and 22377 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:57,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:57,892 INFO L93 Difference]: Finished difference Result 29350 states and 44065 transitions. [2022-10-16 16:25:57,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:57,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 16:25:57,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:57,917 INFO L225 Difference]: With dead ends: 29350 [2022-10-16 16:25:57,917 INFO L226 Difference]: Without dead ends: 18864 [2022-10-16 16:25:57,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:57,929 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 658 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:57,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 688 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:25:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18864 states. [2022-10-16 16:25:59,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18864 to 18156. [2022-10-16 16:25:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18156 states, 18141 states have (on average 1.508020506036051) internal successors, (27357), 18155 states have internal predecessors, (27357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18156 states to 18156 states and 27357 transitions. [2022-10-16 16:25:59,328 INFO L78 Accepts]: Start accepts. Automaton has 18156 states and 27357 transitions. Word has length 81 [2022-10-16 16:25:59,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:59,329 INFO L495 AbstractCegarLoop]: Abstraction has 18156 states and 27357 transitions. [2022-10-16 16:25:59,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:59,329 INFO L276 IsEmpty]: Start isEmpty. Operand 18156 states and 27357 transitions. [2022-10-16 16:25:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:25:59,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:59,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:59,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:25:59,330 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:25:59,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:59,330 INFO L85 PathProgramCache]: Analyzing trace with hash -256096435, now seen corresponding path program 1 times [2022-10-16 16:25:59,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:59,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205313171] [2022-10-16 16:25:59,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:59,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:59,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:59,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205313171] [2022-10-16 16:25:59,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205313171] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:59,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:59,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:59,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122822310] [2022-10-16 16:25:59,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:59,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:59,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:59,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:59,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:59,484 INFO L87 Difference]: Start difference. First operand 18156 states and 27357 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:01,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:01,062 INFO L93 Difference]: Finished difference Result 18329 states and 27594 transitions. [2022-10-16 16:26:01,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:01,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:26:01,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:01,084 INFO L225 Difference]: With dead ends: 18329 [2022-10-16 16:26:01,084 INFO L226 Difference]: Without dead ends: 18328 [2022-10-16 16:26:01,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:01,089 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 402 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:01,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 916 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:26:01,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18328 states. [2022-10-16 16:26:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18328 to 18209. [2022-10-16 16:26:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18209 states, 18194 states have (on average 1.5077498076288887) internal successors, (27432), 18208 states have internal predecessors, (27432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18209 states to 18209 states and 27432 transitions. [2022-10-16 16:26:02,545 INFO L78 Accepts]: Start accepts. Automaton has 18209 states and 27432 transitions. Word has length 82 [2022-10-16 16:26:02,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:02,546 INFO L495 AbstractCegarLoop]: Abstraction has 18209 states and 27432 transitions. [2022-10-16 16:26:02,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:02,546 INFO L276 IsEmpty]: Start isEmpty. Operand 18209 states and 27432 transitions. [2022-10-16 16:26:02,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:26:02,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:02,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:02,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:26:02,547 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:02,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:02,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1698530849, now seen corresponding path program 1 times [2022-10-16 16:26:02,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:02,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985714293] [2022-10-16 16:26:02,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:02,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:02,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:02,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985714293] [2022-10-16 16:26:02,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985714293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:02,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:02,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:02,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810783771] [2022-10-16 16:26:02,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:02,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:02,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:02,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:02,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:02,744 INFO L87 Difference]: Start difference. First operand 18209 states and 27432 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:04,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:04,257 INFO L93 Difference]: Finished difference Result 18812 states and 28301 transitions. [2022-10-16 16:26:04,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:04,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:26:04,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:04,284 INFO L225 Difference]: With dead ends: 18812 [2022-10-16 16:26:04,284 INFO L226 Difference]: Without dead ends: 18811 [2022-10-16 16:26:04,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:04,291 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 490 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:04,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 827 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:26:04,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18811 states. [2022-10-16 16:26:05,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18811 to 18686. [2022-10-16 16:26:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18686 states, 18671 states have (on average 1.506989448877939) internal successors, (28137), 18685 states have internal predecessors, (28137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18686 states to 18686 states and 28137 transitions. [2022-10-16 16:26:05,722 INFO L78 Accepts]: Start accepts. Automaton has 18686 states and 28137 transitions. Word has length 82 [2022-10-16 16:26:05,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:05,722 INFO L495 AbstractCegarLoop]: Abstraction has 18686 states and 28137 transitions. [2022-10-16 16:26:05,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 18686 states and 28137 transitions. [2022-10-16 16:26:05,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:26:05,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:05,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:05,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:26:05,724 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:05,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:05,725 INFO L85 PathProgramCache]: Analyzing trace with hash 559208323, now seen corresponding path program 1 times [2022-10-16 16:26:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:05,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042727606] [2022-10-16 16:26:05,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:05,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:05,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:05,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042727606] [2022-10-16 16:26:05,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042727606] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:05,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:05,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:05,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409881509] [2022-10-16 16:26:05,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:05,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:05,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:05,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:05,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:05,874 INFO L87 Difference]: Start difference. First operand 18686 states and 28137 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:07,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:07,663 INFO L93 Difference]: Finished difference Result 21628 states and 32518 transitions. [2022-10-16 16:26:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:07,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:26:07,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:07,694 INFO L225 Difference]: With dead ends: 21628 [2022-10-16 16:26:07,694 INFO L226 Difference]: Without dead ends: 21625 [2022-10-16 16:26:07,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:07,701 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 594 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:07,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 831 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:26:07,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21625 states. [2022-10-16 16:26:09,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21625 to 21589. [2022-10-16 16:26:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21589 states, 21574 states have (on average 1.505608602947993) internal successors, (32482), 21588 states have internal predecessors, (32482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21589 states to 21589 states and 32482 transitions. [2022-10-16 16:26:09,331 INFO L78 Accepts]: Start accepts. Automaton has 21589 states and 32482 transitions. Word has length 82 [2022-10-16 16:26:09,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:09,332 INFO L495 AbstractCegarLoop]: Abstraction has 21589 states and 32482 transitions. [2022-10-16 16:26:09,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 21589 states and 32482 transitions. [2022-10-16 16:26:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:26:09,333 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:09,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:09,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:26:09,333 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:09,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1202054999, now seen corresponding path program 1 times [2022-10-16 16:26:09,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:09,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834476378] [2022-10-16 16:26:09,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:09,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:09,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:09,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834476378] [2022-10-16 16:26:09,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834476378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:09,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:09,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:09,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241905644] [2022-10-16 16:26:09,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:09,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:09,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:09,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:09,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:09,481 INFO L87 Difference]: Start difference. First operand 21589 states and 32482 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:11,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:11,099 INFO L93 Difference]: Finished difference Result 21762 states and 32719 transitions. [2022-10-16 16:26:11,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:11,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:26:11,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:11,132 INFO L225 Difference]: With dead ends: 21762 [2022-10-16 16:26:11,132 INFO L226 Difference]: Without dead ends: 21761 [2022-10-16 16:26:11,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:11,146 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 410 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:11,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 846 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:26:11,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21761 states. [2022-10-16 16:26:12,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21761 to 21748. [2022-10-16 16:26:12,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21748 states, 21733 states have (on average 1.5051764597616528) internal successors, (32712), 21747 states have internal predecessors, (32712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21748 states to 21748 states and 32712 transitions. [2022-10-16 16:26:12,937 INFO L78 Accepts]: Start accepts. Automaton has 21748 states and 32712 transitions. Word has length 82 [2022-10-16 16:26:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:12,938 INFO L495 AbstractCegarLoop]: Abstraction has 21748 states and 32712 transitions. [2022-10-16 16:26:12,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 21748 states and 32712 transitions. [2022-10-16 16:26:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:26:12,939 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:12,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:12,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:26:12,939 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash 155589095, now seen corresponding path program 1 times [2022-10-16 16:26:12,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:12,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642262737] [2022-10-16 16:26:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:12,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:13,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:13,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642262737] [2022-10-16 16:26:13,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642262737] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:13,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:13,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:13,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464331088] [2022-10-16 16:26:13,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:13,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:13,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:13,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:13,092 INFO L87 Difference]: Start difference. First operand 21748 states and 32712 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:14,602 INFO L93 Difference]: Finished difference Result 25295 states and 37973 transitions. [2022-10-16 16:26:14,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:14,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:26:14,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:14,626 INFO L225 Difference]: With dead ends: 25295 [2022-10-16 16:26:14,627 INFO L226 Difference]: Without dead ends: 17934 [2022-10-16 16:26:14,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:14,639 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 543 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:14,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 731 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:26:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17934 states. [2022-10-16 16:26:15,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17934 to 10573. [2022-10-16 16:26:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10573 states, 10558 states have (on average 1.5289827618867209) internal successors, (16143), 10572 states have internal predecessors, (16143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10573 states to 10573 states and 16143 transitions. [2022-10-16 16:26:15,483 INFO L78 Accepts]: Start accepts. Automaton has 10573 states and 16143 transitions. Word has length 83 [2022-10-16 16:26:15,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:15,484 INFO L495 AbstractCegarLoop]: Abstraction has 10573 states and 16143 transitions. [2022-10-16 16:26:15,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:15,484 INFO L276 IsEmpty]: Start isEmpty. Operand 10573 states and 16143 transitions. [2022-10-16 16:26:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:26:15,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:15,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:15,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:26:15,486 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:15,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:15,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1885451287, now seen corresponding path program 1 times [2022-10-16 16:26:15,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:15,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213237071] [2022-10-16 16:26:15,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:15,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:15,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:15,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213237071] [2022-10-16 16:26:15,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213237071] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:15,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:15,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:15,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782342651] [2022-10-16 16:26:15,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:15,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:15,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:15,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:15,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:15,624 INFO L87 Difference]: Start difference. First operand 10573 states and 16143 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:16,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:16,836 INFO L93 Difference]: Finished difference Result 10646 states and 16222 transitions. [2022-10-16 16:26:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:16,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:26:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:16,851 INFO L225 Difference]: With dead ends: 10646 [2022-10-16 16:26:16,851 INFO L226 Difference]: Without dead ends: 10532 [2022-10-16 16:26:16,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:16,856 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 480 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:16,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 924 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:26:16,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2022-10-16 16:26:17,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10513. [2022-10-16 16:26:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10513 states, 10498 states have (on average 1.5284816155458183) internal successors, (16046), 10512 states have internal predecessors, (16046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10513 states to 10513 states and 16046 transitions. [2022-10-16 16:26:17,610 INFO L78 Accepts]: Start accepts. Automaton has 10513 states and 16046 transitions. Word has length 84 [2022-10-16 16:26:17,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:17,611 INFO L495 AbstractCegarLoop]: Abstraction has 10513 states and 16046 transitions. [2022-10-16 16:26:17,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 10513 states and 16046 transitions. [2022-10-16 16:26:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:26:17,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:17,617 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:17,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:26:17,617 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:17,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:17,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1467538547, now seen corresponding path program 1 times [2022-10-16 16:26:17,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:17,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330947525] [2022-10-16 16:26:17,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:17,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:17,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330947525] [2022-10-16 16:26:17,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330947525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:17,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:17,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:26:17,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238888722] [2022-10-16 16:26:17,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:17,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:26:17,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:17,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:26:17,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:26:17,689 INFO L87 Difference]: Start difference. First operand 10513 states and 16046 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:20,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:20,038 INFO L93 Difference]: Finished difference Result 28352 states and 43243 transitions. [2022-10-16 16:26:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:26:20,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:26:20,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:20,061 INFO L225 Difference]: With dead ends: 28352 [2022-10-16 16:26:20,061 INFO L226 Difference]: Without dead ends: 17984 [2022-10-16 16:26:20,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:26:20,081 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 89 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:20,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 470 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:26:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17984 states. [2022-10-16 16:26:21,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17984 to 16796. [2022-10-16 16:26:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16796 states, 16781 states have (on average 1.5171920624515822) internal successors, (25460), 16795 states have internal predecessors, (25460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:21,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16796 states to 16796 states and 25460 transitions. [2022-10-16 16:26:21,590 INFO L78 Accepts]: Start accepts. Automaton has 16796 states and 25460 transitions. Word has length 107 [2022-10-16 16:26:21,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:21,591 INFO L495 AbstractCegarLoop]: Abstraction has 16796 states and 25460 transitions. [2022-10-16 16:26:21,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 16796 states and 25460 transitions. [2022-10-16 16:26:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:26:21,597 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:21,597 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:21,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:26:21,597 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:21,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:21,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1515157339, now seen corresponding path program 1 times [2022-10-16 16:26:21,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:21,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490593977] [2022-10-16 16:26:21,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:21,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:21,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:21,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490593977] [2022-10-16 16:26:21,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490593977] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:21,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:21,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:26:21,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113618510] [2022-10-16 16:26:21,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:21,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:26:21,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:21,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:26:21,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:26:21,706 INFO L87 Difference]: Start difference. First operand 16796 states and 25460 transitions. Second operand has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:23,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:23,563 INFO L93 Difference]: Finished difference Result 19289 states and 29158 transitions. [2022-10-16 16:26:23,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:26:23,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:26:23,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:23,585 INFO L225 Difference]: With dead ends: 19289 [2022-10-16 16:26:23,585 INFO L226 Difference]: Without dead ends: 19286 [2022-10-16 16:26:23,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:26:23,590 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 196 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:23,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 536 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:26:23,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19286 states. [2022-10-16 16:26:24,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19286 to 16793. [2022-10-16 16:26:24,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16793 states, 16781 states have (on average 1.5000893868065073) internal successors, (25173), 16792 states have internal predecessors, (25173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16793 states to 16793 states and 25173 transitions. [2022-10-16 16:26:24,961 INFO L78 Accepts]: Start accepts. Automaton has 16793 states and 25173 transitions. Word has length 107 [2022-10-16 16:26:24,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:24,961 INFO L495 AbstractCegarLoop]: Abstraction has 16793 states and 25173 transitions. [2022-10-16 16:26:24,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 16793 states and 25173 transitions. [2022-10-16 16:26:24,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:26:24,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:24,967 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:24,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:26:24,967 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:24,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:24,968 INFO L85 PathProgramCache]: Analyzing trace with hash 865013882, now seen corresponding path program 1 times [2022-10-16 16:26:24,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:24,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310421535] [2022-10-16 16:26:24,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:24,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:25,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:25,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310421535] [2022-10-16 16:26:25,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310421535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:25,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:25,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:26:25,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122685333] [2022-10-16 16:26:25,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:25,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:26:25,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:25,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:26:25,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:26:25,033 INFO L87 Difference]: Start difference. First operand 16793 states and 25173 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:27,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:27,918 INFO L93 Difference]: Finished difference Result 49915 states and 74719 transitions. [2022-10-16 16:26:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:26:27,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:26:27,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:27,966 INFO L225 Difference]: With dead ends: 49915 [2022-10-16 16:26:27,966 INFO L226 Difference]: Without dead ends: 33267 [2022-10-16 16:26:27,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:26:27,984 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 117 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:27,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 286 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:26:28,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33267 states. [2022-10-16 16:26:31,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33267 to 33255. [2022-10-16 16:26:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33255 states, 33243 states have (on average 1.4874108834942694) internal successors, (49446), 33254 states have internal predecessors, (49446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33255 states to 33255 states and 49446 transitions. [2022-10-16 16:26:31,181 INFO L78 Accepts]: Start accepts. Automaton has 33255 states and 49446 transitions. Word has length 107 [2022-10-16 16:26:31,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:31,182 INFO L495 AbstractCegarLoop]: Abstraction has 33255 states and 49446 transitions. [2022-10-16 16:26:31,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 33255 states and 49446 transitions. [2022-10-16 16:26:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:26:31,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:31,189 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:31,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:26:31,189 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:31,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:31,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1189336661, now seen corresponding path program 1 times [2022-10-16 16:26:31,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:31,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479767333] [2022-10-16 16:26:31,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:31,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:31,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:31,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479767333] [2022-10-16 16:26:31,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479767333] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:31,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:31,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:26:31,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371138978] [2022-10-16 16:26:31,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:31,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:26:31,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:31,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:26:31,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:31,348 INFO L87 Difference]: Start difference. First operand 33255 states and 49446 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:34,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:34,800 INFO L93 Difference]: Finished difference Result 33795 states and 50215 transitions. [2022-10-16 16:26:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:26:34,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:26:34,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:34,857 INFO L225 Difference]: With dead ends: 33795 [2022-10-16 16:26:34,857 INFO L226 Difference]: Without dead ends: 33792 [2022-10-16 16:26:34,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:34,868 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 318 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:34,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 656 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:26:34,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33792 states. [2022-10-16 16:26:37,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33792 to 33255. [2022-10-16 16:26:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33255 states, 33243 states have (on average 1.48476370965316) internal successors, (49358), 33254 states have internal predecessors, (49358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33255 states to 33255 states and 49358 transitions. [2022-10-16 16:26:37,960 INFO L78 Accepts]: Start accepts. Automaton has 33255 states and 49358 transitions. Word has length 107 [2022-10-16 16:26:37,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:37,960 INFO L495 AbstractCegarLoop]: Abstraction has 33255 states and 49358 transitions. [2022-10-16 16:26:37,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:37,962 INFO L276 IsEmpty]: Start isEmpty. Operand 33255 states and 49358 transitions. [2022-10-16 16:26:37,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:26:37,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:37,971 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:37,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:26:37,971 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:37,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:37,972 INFO L85 PathProgramCache]: Analyzing trace with hash 586402271, now seen corresponding path program 1 times [2022-10-16 16:26:37,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:37,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919955320] [2022-10-16 16:26:37,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:37,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:38,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:38,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919955320] [2022-10-16 16:26:38,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919955320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:38,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:38,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:26:38,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532928048] [2022-10-16 16:26:38,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:38,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:26:38,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:38,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:26:38,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:38,111 INFO L87 Difference]: Start difference. First operand 33255 states and 49358 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:42,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:42,307 INFO L93 Difference]: Finished difference Result 39950 states and 59268 transitions. [2022-10-16 16:26:42,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:26:42,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 16:26:42,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:42,366 INFO L225 Difference]: With dead ends: 39950 [2022-10-16 16:26:42,366 INFO L226 Difference]: Without dead ends: 39947 [2022-10-16 16:26:42,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:42,377 INFO L413 NwaCegarLoop]: 454 mSDtfsCounter, 312 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:42,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1180 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:26:42,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39947 states. [2022-10-16 16:26:46,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39947 to 39818. [2022-10-16 16:26:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39818 states, 39806 states have (on average 1.4806059388031956) internal successors, (58937), 39817 states have internal predecessors, (58937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:46,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39818 states to 39818 states and 58937 transitions. [2022-10-16 16:26:46,433 INFO L78 Accepts]: Start accepts. Automaton has 39818 states and 58937 transitions. Word has length 107 [2022-10-16 16:26:46,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:46,433 INFO L495 AbstractCegarLoop]: Abstraction has 39818 states and 58937 transitions. [2022-10-16 16:26:46,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 39818 states and 58937 transitions. [2022-10-16 16:26:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:26:46,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:46,441 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:46,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:26:46,442 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:46,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:46,442 INFO L85 PathProgramCache]: Analyzing trace with hash -72281177, now seen corresponding path program 1 times [2022-10-16 16:26:46,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:46,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241767455] [2022-10-16 16:26:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:46,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:46,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:46,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241767455] [2022-10-16 16:26:46,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241767455] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:46,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:46,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:26:46,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394406287] [2022-10-16 16:26:46,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:46,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:26:46,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:46,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:26:46,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:46,576 INFO L87 Difference]: Start difference. First operand 39818 states and 58937 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:50,673 INFO L93 Difference]: Finished difference Result 40151 states and 59396 transitions. [2022-10-16 16:26:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:26:50,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:26:50,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:50,730 INFO L225 Difference]: With dead ends: 40151 [2022-10-16 16:26:50,730 INFO L226 Difference]: Without dead ends: 40148 [2022-10-16 16:26:50,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:26:50,744 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 385 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:50,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 683 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:26:50,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40148 states. [2022-10-16 16:26:54,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40148 to 39818. [2022-10-16 16:26:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39818 states, 39806 states have (on average 1.4781942420740593) internal successors, (58841), 39817 states have internal predecessors, (58841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39818 states to 39818 states and 58841 transitions. [2022-10-16 16:26:54,777 INFO L78 Accepts]: Start accepts. Automaton has 39818 states and 58841 transitions. Word has length 109 [2022-10-16 16:26:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:26:54,778 INFO L495 AbstractCegarLoop]: Abstraction has 39818 states and 58841 transitions. [2022-10-16 16:26:54,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 39818 states and 58841 transitions. [2022-10-16 16:26:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:26:54,785 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:26:54,786 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:26:54,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:26:54,786 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:26:54,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:26:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1365546643, now seen corresponding path program 1 times [2022-10-16 16:26:54,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:26:54,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304819416] [2022-10-16 16:26:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:26:54,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:26:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:26:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:26:54,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:26:54,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304819416] [2022-10-16 16:26:54,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304819416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:26:54,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:26:54,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:26:54,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683725699] [2022-10-16 16:26:54,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:26:54,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:26:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:26:54,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:26:54,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:54,959 INFO L87 Difference]: Start difference. First operand 39818 states and 58841 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:26:59,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:26:59,010 INFO L93 Difference]: Finished difference Result 40589 states and 59944 transitions. [2022-10-16 16:26:59,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:26:59,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:26:59,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:26:59,065 INFO L225 Difference]: With dead ends: 40589 [2022-10-16 16:26:59,065 INFO L226 Difference]: Without dead ends: 40588 [2022-10-16 16:26:59,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:26:59,076 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 403 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:26:59,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 859 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:26:59,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40588 states. [2022-10-16 16:27:02,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40588 to 39943. [2022-10-16 16:27:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39943 states, 39931 states have (on average 1.478049635621447) internal successors, (59020), 39942 states have internal predecessors, (59020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:03,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39943 states to 39943 states and 59020 transitions. [2022-10-16 16:27:03,020 INFO L78 Accepts]: Start accepts. Automaton has 39943 states and 59020 transitions. Word has length 109 [2022-10-16 16:27:03,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:03,020 INFO L495 AbstractCegarLoop]: Abstraction has 39943 states and 59020 transitions. [2022-10-16 16:27:03,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 39943 states and 59020 transitions. [2022-10-16 16:27:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:27:03,028 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:03,028 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:03,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:27:03,028 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:27:03,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:03,029 INFO L85 PathProgramCache]: Analyzing trace with hash 258020741, now seen corresponding path program 1 times [2022-10-16 16:27:03,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:03,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882970979] [2022-10-16 16:27:03,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:03,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:03,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:03,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882970979] [2022-10-16 16:27:03,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882970979] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:03,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:03,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:03,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126673172] [2022-10-16 16:27:03,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:03,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:27:03,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:03,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:27:03,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:03,148 INFO L87 Difference]: Start difference. First operand 39943 states and 59020 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:08,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:08,569 INFO L93 Difference]: Finished difference Result 57751 states and 85409 transitions. [2022-10-16 16:27:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:27:08,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:27:08,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:08,662 INFO L225 Difference]: With dead ends: 57751 [2022-10-16 16:27:08,662 INFO L226 Difference]: Without dead ends: 57745 [2022-10-16 16:27:08,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:08,674 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 309 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:08,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 787 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:27:08,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57745 states. [2022-10-16 16:27:12,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57745 to 40797. [2022-10-16 16:27:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40797 states, 40785 states have (on average 1.4689223979404193) internal successors, (59910), 40796 states have internal predecessors, (59910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40797 states to 40797 states and 59910 transitions. [2022-10-16 16:27:12,921 INFO L78 Accepts]: Start accepts. Automaton has 40797 states and 59910 transitions. Word has length 109 [2022-10-16 16:27:12,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:12,922 INFO L495 AbstractCegarLoop]: Abstraction has 40797 states and 59910 transitions. [2022-10-16 16:27:12,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:12,922 INFO L276 IsEmpty]: Start isEmpty. Operand 40797 states and 59910 transitions. [2022-10-16 16:27:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:27:12,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:12,929 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:12,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:27:12,929 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:27:12,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:12,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1547925967, now seen corresponding path program 1 times [2022-10-16 16:27:12,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:12,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312985005] [2022-10-16 16:27:12,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:12,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:13,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:13,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312985005] [2022-10-16 16:27:13,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312985005] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:13,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:13,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:13,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142078887] [2022-10-16 16:27:13,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:13,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:27:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:13,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:27:13,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:13,069 INFO L87 Difference]: Start difference. First operand 40797 states and 59910 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:17,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:17,156 INFO L93 Difference]: Finished difference Result 41596 states and 61050 transitions. [2022-10-16 16:27:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:27:17,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:27:17,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:17,220 INFO L225 Difference]: With dead ends: 41596 [2022-10-16 16:27:17,220 INFO L226 Difference]: Without dead ends: 41593 [2022-10-16 16:27:17,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:17,234 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 316 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:17,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 727 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:27:17,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41593 states. [2022-10-16 16:27:21,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41593 to 40797. [2022-10-16 16:27:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40797 states, 40785 states have (on average 1.4669608924849822) internal successors, (59830), 40796 states have internal predecessors, (59830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40797 states to 40797 states and 59830 transitions. [2022-10-16 16:27:21,140 INFO L78 Accepts]: Start accepts. Automaton has 40797 states and 59830 transitions. Word has length 109 [2022-10-16 16:27:21,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:21,141 INFO L495 AbstractCegarLoop]: Abstraction has 40797 states and 59830 transitions. [2022-10-16 16:27:21,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 40797 states and 59830 transitions. [2022-10-16 16:27:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:27:21,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:21,150 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:21,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:27:21,150 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:27:21,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:21,150 INFO L85 PathProgramCache]: Analyzing trace with hash 491238871, now seen corresponding path program 1 times [2022-10-16 16:27:21,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:21,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565013205] [2022-10-16 16:27:21,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:21,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:21,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:21,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565013205] [2022-10-16 16:27:21,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565013205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:21,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:21,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:21,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358237821] [2022-10-16 16:27:21,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:21,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:21,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:21,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:21,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:21,313 INFO L87 Difference]: Start difference. First operand 40797 states and 59830 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:25,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:25,449 INFO L93 Difference]: Finished difference Result 43042 states and 63070 transitions. [2022-10-16 16:27:25,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:25,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:27:25,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:25,512 INFO L225 Difference]: With dead ends: 43042 [2022-10-16 16:27:25,512 INFO L226 Difference]: Without dead ends: 43039 [2022-10-16 16:27:25,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:25,527 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 412 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:25,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 1032 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:27:25,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43039 states. [2022-10-16 16:27:29,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43039 to 41951. [2022-10-16 16:27:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41951 states, 41939 states have (on average 1.4654617420539355) internal successors, (61460), 41950 states have internal predecessors, (61460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41951 states to 41951 states and 61460 transitions. [2022-10-16 16:27:29,570 INFO L78 Accepts]: Start accepts. Automaton has 41951 states and 61460 transitions. Word has length 109 [2022-10-16 16:27:29,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:29,570 INFO L495 AbstractCegarLoop]: Abstraction has 41951 states and 61460 transitions. [2022-10-16 16:27:29,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:29,571 INFO L276 IsEmpty]: Start isEmpty. Operand 41951 states and 61460 transitions. [2022-10-16 16:27:29,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:27:29,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:29,579 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:29,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:27:29,579 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:27:29,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:29,579 INFO L85 PathProgramCache]: Analyzing trace with hash -39763895, now seen corresponding path program 1 times [2022-10-16 16:27:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:29,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046867426] [2022-10-16 16:27:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:29,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:29,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:29,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046867426] [2022-10-16 16:27:29,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046867426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:29,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:29,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:29,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947996163] [2022-10-16 16:27:29,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:29,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:29,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:29,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:29,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:29,739 INFO L87 Difference]: Start difference. First operand 41951 states and 61460 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:33,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:33,818 INFO L93 Difference]: Finished difference Result 42904 states and 62827 transitions. [2022-10-16 16:27:33,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:33,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:27:33,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:33,880 INFO L225 Difference]: With dead ends: 42904 [2022-10-16 16:27:33,880 INFO L226 Difference]: Without dead ends: 42903 [2022-10-16 16:27:33,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:33,892 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 465 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:33,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 1141 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:27:33,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42903 states. [2022-10-16 16:27:37,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42903 to 42181. [2022-10-16 16:27:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42181 states, 42169 states have (on average 1.4653892669970832) internal successors, (61794), 42180 states have internal predecessors, (61794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42181 states to 42181 states and 61794 transitions. [2022-10-16 16:27:37,986 INFO L78 Accepts]: Start accepts. Automaton has 42181 states and 61794 transitions. Word has length 109 [2022-10-16 16:27:37,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:37,986 INFO L495 AbstractCegarLoop]: Abstraction has 42181 states and 61794 transitions. [2022-10-16 16:27:37,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:37,986 INFO L276 IsEmpty]: Start isEmpty. Operand 42181 states and 61794 transitions. [2022-10-16 16:27:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:27:37,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:37,994 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:37,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:27:37,994 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:27:37,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:37,995 INFO L85 PathProgramCache]: Analyzing trace with hash 561573123, now seen corresponding path program 1 times [2022-10-16 16:27:37,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:37,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430287284] [2022-10-16 16:27:37,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:37,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:38,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:38,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430287284] [2022-10-16 16:27:38,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430287284] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:38,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:38,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:38,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682689664] [2022-10-16 16:27:38,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:38,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:38,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:38,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:38,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:38,136 INFO L87 Difference]: Start difference. First operand 42181 states and 61794 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:42,324 INFO L93 Difference]: Finished difference Result 43105 states and 63132 transitions. [2022-10-16 16:27:42,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:42,325 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:27:42,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:42,385 INFO L225 Difference]: With dead ends: 43105 [2022-10-16 16:27:42,386 INFO L226 Difference]: Without dead ends: 43104 [2022-10-16 16:27:42,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:42,398 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 402 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:42,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 934 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:27:42,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43104 states. [2022-10-16 16:27:46,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43104 to 42873. [2022-10-16 16:27:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42873 states, 42861 states have (on average 1.4657614148060008) internal successors, (62824), 42872 states have internal predecessors, (62824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42873 states to 42873 states and 62824 transitions. [2022-10-16 16:27:46,572 INFO L78 Accepts]: Start accepts. Automaton has 42873 states and 62824 transitions. Word has length 109 [2022-10-16 16:27:46,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:46,572 INFO L495 AbstractCegarLoop]: Abstraction has 42873 states and 62824 transitions. [2022-10-16 16:27:46,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 42873 states and 62824 transitions. [2022-10-16 16:27:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:27:46,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:46,580 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:46,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 16:27:46,580 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:27:46,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:46,581 INFO L85 PathProgramCache]: Analyzing trace with hash 891875041, now seen corresponding path program 1 times [2022-10-16 16:27:46,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:46,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021950386] [2022-10-16 16:27:46,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:46,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:46,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021950386] [2022-10-16 16:27:46,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021950386] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:46,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:46,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:27:46,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841215462] [2022-10-16 16:27:46,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:46,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:27:46,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:46,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:27:46,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:46,736 INFO L87 Difference]: Start difference. First operand 42873 states and 62824 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:50,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:27:50,850 INFO L93 Difference]: Finished difference Result 44293 states and 64824 transitions. [2022-10-16 16:27:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:27:50,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 16:27:50,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:27:50,921 INFO L225 Difference]: With dead ends: 44293 [2022-10-16 16:27:50,921 INFO L226 Difference]: Without dead ends: 44290 [2022-10-16 16:27:50,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:27:50,934 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 470 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:27:50,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1021 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:27:50,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44290 states. [2022-10-16 16:27:55,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44290 to 44257. [2022-10-16 16:27:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44257 states, 44245 states have (on average 1.4643914566617697) internal successors, (64792), 44256 states have internal predecessors, (64792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:55,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44257 states to 44257 states and 64792 transitions. [2022-10-16 16:27:55,169 INFO L78 Accepts]: Start accepts. Automaton has 44257 states and 64792 transitions. Word has length 109 [2022-10-16 16:27:55,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:27:55,170 INFO L495 AbstractCegarLoop]: Abstraction has 44257 states and 64792 transitions. [2022-10-16 16:27:55,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:27:55,170 INFO L276 IsEmpty]: Start isEmpty. Operand 44257 states and 64792 transitions. [2022-10-16 16:27:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:27:55,179 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:27:55,179 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:27:55,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 16:27:55,179 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:27:55,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:27:55,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2054251071, now seen corresponding path program 1 times [2022-10-16 16:27:55,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:27:55,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670810592] [2022-10-16 16:27:55,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:27:55,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:27:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:27:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:27:55,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:27:55,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670810592] [2022-10-16 16:27:55,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670810592] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:27:55,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:27:55,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:27:55,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582476972] [2022-10-16 16:27:55,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:27:55,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:27:55,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:27:55,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:27:55,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:27:55,325 INFO L87 Difference]: Start difference. First operand 44257 states and 64792 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:00,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:00,212 INFO L93 Difference]: Finished difference Result 51360 states and 75108 transitions. [2022-10-16 16:28:00,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:28:00,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:28:00,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:00,297 INFO L225 Difference]: With dead ends: 51360 [2022-10-16 16:28:00,297 INFO L226 Difference]: Without dead ends: 51357 [2022-10-16 16:28:00,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:28:00,314 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 410 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:00,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 506 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:28:00,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51357 states. [2022-10-16 16:28:04,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51357 to 44254. [2022-10-16 16:28:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44254 states, 44245 states have (on average 1.4562549440614758) internal successors, (64432), 44253 states have internal predecessors, (64432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44254 states to 44254 states and 64432 transitions. [2022-10-16 16:28:04,702 INFO L78 Accepts]: Start accepts. Automaton has 44254 states and 64432 transitions. Word has length 110 [2022-10-16 16:28:04,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:04,703 INFO L495 AbstractCegarLoop]: Abstraction has 44254 states and 64432 transitions. [2022-10-16 16:28:04,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 44254 states and 64432 transitions. [2022-10-16 16:28:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:28:04,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:04,711 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:28:04,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 16:28:04,711 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:28:04,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:04,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1878322761, now seen corresponding path program 1 times [2022-10-16 16:28:04,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:04,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314892066] [2022-10-16 16:28:04,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:04,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:04,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:04,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314892066] [2022-10-16 16:28:04,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314892066] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:04,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:04,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:04,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237366060] [2022-10-16 16:28:04,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:04,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:04,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:04,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:04,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:04,863 INFO L87 Difference]: Start difference. First operand 44254 states and 64432 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:09,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:09,171 INFO L93 Difference]: Finished difference Result 52007 states and 75731 transitions. [2022-10-16 16:28:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 16:28:09,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:09,283 INFO L225 Difference]: With dead ends: 52007 [2022-10-16 16:28:09,283 INFO L226 Difference]: Without dead ends: 46717 [2022-10-16 16:28:09,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:09,302 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 428 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:09,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 760 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:28:09,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46717 states. [2022-10-16 16:28:13,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46717 to 40170. [2022-10-16 16:28:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40170 states, 40161 states have (on average 1.4573342297253555) internal successors, (58528), 40169 states have internal predecessors, (58528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40170 states to 40170 states and 58528 transitions. [2022-10-16 16:28:13,211 INFO L78 Accepts]: Start accepts. Automaton has 40170 states and 58528 transitions. Word has length 110 [2022-10-16 16:28:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:13,212 INFO L495 AbstractCegarLoop]: Abstraction has 40170 states and 58528 transitions. [2022-10-16 16:28:13,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 40170 states and 58528 transitions. [2022-10-16 16:28:13,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:28:13,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:13,220 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:28:13,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 16:28:13,220 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:28:13,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:13,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2091014132, now seen corresponding path program 1 times [2022-10-16 16:28:13,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:13,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982681083] [2022-10-16 16:28:13,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:13,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:13,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:13,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982681083] [2022-10-16 16:28:13,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982681083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:13,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:13,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:28:13,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896296225] [2022-10-16 16:28:13,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:13,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:28:13,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:13,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:28:13,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:28:13,340 INFO L87 Difference]: Start difference. First operand 40170 states and 58528 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:17,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:17,664 INFO L93 Difference]: Finished difference Result 43550 states and 63474 transitions. [2022-10-16 16:28:17,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:28:17,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:28:17,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:17,734 INFO L225 Difference]: With dead ends: 43550 [2022-10-16 16:28:17,734 INFO L226 Difference]: Without dead ends: 43547 [2022-10-16 16:28:17,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:28:17,747 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 297 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:17,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 682 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:28:17,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43547 states. [2022-10-16 16:28:21,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43547 to 37297. [2022-10-16 16:28:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37297 states, 37288 states have (on average 1.4549184724308089) internal successors, (54251), 37296 states have internal predecessors, (54251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37297 states to 37297 states and 54251 transitions. [2022-10-16 16:28:21,629 INFO L78 Accepts]: Start accepts. Automaton has 37297 states and 54251 transitions. Word has length 111 [2022-10-16 16:28:21,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:21,629 INFO L495 AbstractCegarLoop]: Abstraction has 37297 states and 54251 transitions. [2022-10-16 16:28:21,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 37297 states and 54251 transitions. [2022-10-16 16:28:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:28:21,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:21,635 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:28:21,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 16:28:21,635 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:28:21,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:21,635 INFO L85 PathProgramCache]: Analyzing trace with hash -742725975, now seen corresponding path program 1 times [2022-10-16 16:28:21,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:21,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358585902] [2022-10-16 16:28:21,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:21,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:21,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:21,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358585902] [2022-10-16 16:28:21,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358585902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:21,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:21,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:21,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921725698] [2022-10-16 16:28:21,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:21,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:21,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:21,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:21,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:21,760 INFO L87 Difference]: Start difference. First operand 37297 states and 54251 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:25,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:25,525 INFO L93 Difference]: Finished difference Result 39017 states and 56724 transitions. [2022-10-16 16:28:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:25,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:28:25,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:25,572 INFO L225 Difference]: With dead ends: 39017 [2022-10-16 16:28:25,573 INFO L226 Difference]: Without dead ends: 39014 [2022-10-16 16:28:25,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:25,581 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 418 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:25,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1000 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:28:25,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39014 states. [2022-10-16 16:28:29,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39014 to 37989. [2022-10-16 16:28:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37989 states, 37980 states have (on average 1.4536334913112163) internal successors, (55209), 37988 states have internal predecessors, (55209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37989 states to 37989 states and 55209 transitions. [2022-10-16 16:28:29,240 INFO L78 Accepts]: Start accepts. Automaton has 37989 states and 55209 transitions. Word has length 111 [2022-10-16 16:28:29,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:29,240 INFO L495 AbstractCegarLoop]: Abstraction has 37989 states and 55209 transitions. [2022-10-16 16:28:29,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 37989 states and 55209 transitions. [2022-10-16 16:28:29,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:28:29,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:29,248 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:28:29,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 16:28:29,248 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:28:29,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:29,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1150162681, now seen corresponding path program 1 times [2022-10-16 16:28:29,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:29,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353420642] [2022-10-16 16:28:29,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:29,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:29,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:29,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353420642] [2022-10-16 16:28:29,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353420642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:29,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:29,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:29,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036960535] [2022-10-16 16:28:29,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:29,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:29,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:29,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:29,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:29,384 INFO L87 Difference]: Start difference. First operand 37989 states and 55209 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:32,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:32,967 INFO L93 Difference]: Finished difference Result 38918 states and 56517 transitions. [2022-10-16 16:28:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:32,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:28:32,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:33,021 INFO L225 Difference]: With dead ends: 38918 [2022-10-16 16:28:33,021 INFO L226 Difference]: Without dead ends: 38915 [2022-10-16 16:28:33,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:33,031 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 608 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:33,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 840 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:28:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38915 states. [2022-10-16 16:28:36,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38915 to 38681. [2022-10-16 16:28:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38681 states, 38672 states have (on average 1.451980761274307) internal successors, (56151), 38680 states have internal predecessors, (56151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38681 states to 38681 states and 56151 transitions. [2022-10-16 16:28:36,804 INFO L78 Accepts]: Start accepts. Automaton has 38681 states and 56151 transitions. Word has length 111 [2022-10-16 16:28:36,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:36,804 INFO L495 AbstractCegarLoop]: Abstraction has 38681 states and 56151 transitions. [2022-10-16 16:28:36,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 38681 states and 56151 transitions. [2022-10-16 16:28:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:28:36,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:36,810 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:28:36,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 16:28:36,811 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:28:36,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:36,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1498161485, now seen corresponding path program 1 times [2022-10-16 16:28:36,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:36,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660605337] [2022-10-16 16:28:36,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:36,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:36,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660605337] [2022-10-16 16:28:36,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660605337] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:36,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:36,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:36,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641651081] [2022-10-16 16:28:36,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:36,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:36,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:36,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:36,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:36,969 INFO L87 Difference]: Start difference. First operand 38681 states and 56151 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:40,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:40,865 INFO L93 Difference]: Finished difference Result 40401 states and 58624 transitions. [2022-10-16 16:28:40,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:28:40,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:28:40,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:40,920 INFO L225 Difference]: With dead ends: 40401 [2022-10-16 16:28:40,920 INFO L226 Difference]: Without dead ends: 40398 [2022-10-16 16:28:40,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:40,929 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 472 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:40,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 803 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:28:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40398 states. [2022-10-16 16:28:44,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40398 to 39835. [2022-10-16 16:28:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39835 states, 39826 states have (on average 1.4510370109978405) internal successors, (57789), 39834 states have internal predecessors, (57789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39835 states to 39835 states and 57789 transitions. [2022-10-16 16:28:44,804 INFO L78 Accepts]: Start accepts. Automaton has 39835 states and 57789 transitions. Word has length 111 [2022-10-16 16:28:44,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:44,804 INFO L495 AbstractCegarLoop]: Abstraction has 39835 states and 57789 transitions. [2022-10-16 16:28:44,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 39835 states and 57789 transitions. [2022-10-16 16:28:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:28:44,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:44,810 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:28:44,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 16:28:44,810 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:28:44,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:44,810 INFO L85 PathProgramCache]: Analyzing trace with hash 285926200, now seen corresponding path program 1 times [2022-10-16 16:28:44,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:44,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363358962] [2022-10-16 16:28:44,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:44,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:44,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:44,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363358962] [2022-10-16 16:28:44,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363358962] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:44,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:44,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:28:44,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340518933] [2022-10-16 16:28:44,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:44,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:28:44,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:44,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:28:44,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:28:44,905 INFO L87 Difference]: Start difference. First operand 39835 states and 57789 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:49,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:28:49,125 INFO L93 Difference]: Finished difference Result 43674 states and 63347 transitions. [2022-10-16 16:28:49,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:28:49,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:28:49,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:28:49,185 INFO L225 Difference]: With dead ends: 43674 [2022-10-16 16:28:49,186 INFO L226 Difference]: Without dead ends: 43671 [2022-10-16 16:28:49,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:28:49,196 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 281 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:28:49,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 908 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:28:49,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43671 states. [2022-10-16 16:28:52,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43671 to 37654. [2022-10-16 16:28:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37654 states, 37645 states have (on average 1.4482135741798379) internal successors, (54518), 37653 states have internal predecessors, (54518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37654 states to 37654 states and 54518 transitions. [2022-10-16 16:28:52,902 INFO L78 Accepts]: Start accepts. Automaton has 37654 states and 54518 transitions. Word has length 111 [2022-10-16 16:28:52,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:28:52,902 INFO L495 AbstractCegarLoop]: Abstraction has 37654 states and 54518 transitions. [2022-10-16 16:28:52,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:28:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 37654 states and 54518 transitions. [2022-10-16 16:28:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:28:52,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:28:52,909 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:28:52,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 16:28:52,909 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 16:28:52,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:28:52,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1722514313, now seen corresponding path program 1 times [2022-10-16 16:28:52,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:28:52,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764598053] [2022-10-16 16:28:52,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:28:52,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:28:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:28:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:28:53,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:28:53,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764598053] [2022-10-16 16:28:53,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764598053] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:28:53,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:28:53,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:28:53,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620641456] [2022-10-16 16:28:53,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:28:53,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:28:53,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:28:53,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:28:53,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:28:53,043 INFO L87 Difference]: Start difference. First operand 37654 states and 54518 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)