/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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:04:46,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:04:46,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:04:46,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:04:46,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:04:46,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:04:46,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:04:46,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:04:46,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:04:46,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:04:46,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:04:46,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:04:46,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:04:46,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:04:46,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:04:46,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:04:46,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:04:46,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:04:46,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:04:46,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:04:46,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:04:46,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:04:46,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:04:46,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:04:46,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:04:46,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:04:46,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:04:46,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:04:46,782 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 16:04:46,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:04:46,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:04:46,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:04:46,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:04:46,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:04:46,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:04:46,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:04:46,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:04:46,838 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:04:46,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:04:46,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:04:46,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:04:46,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:04:46,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:04:46,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:04:46,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:04:46,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:04:46,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:04:46,841 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:04:46,841 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:04:46,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:04:46,841 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:04:46,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:04:46,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:04:46,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:04:46,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:04:46,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:04:46,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:04:46,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:04:46,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:04:46,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:04:46,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:04:46,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:04:46,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:04:47,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:04:47,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:04:47,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:04:47,240 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:04:47,241 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:04:47,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:04:47,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c410ff0ef/c440b0d44252412d89d1e8490d7f6571/FLAGd3ae184c0 [2022-10-16 16:04:47,976 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:04:47,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:04:48,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c410ff0ef/c440b0d44252412d89d1e8490d7f6571/FLAGd3ae184c0 [2022-10-16 16:04:48,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c410ff0ef/c440b0d44252412d89d1e8490d7f6571 [2022-10-16 16:04:48,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:04:48,280 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:04:48,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:04:48,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:04:48,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:04:48,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54523ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48, skipping insertion in model container [2022-10-16 16:04:48,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:04:48,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:04:48,644 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7107,7120] [2022-10-16 16:04:48,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:04:48,722 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:04:48,776 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7107,7120] [2022-10-16 16:04:48,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:04:48,843 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:04:48,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48 WrapperNode [2022-10-16 16:04:48,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:04:48,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:04:48,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:04:48,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:04:48,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,920 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 690 [2022-10-16 16:04:48,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:04:48,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:04:48,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:04:48,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:04:48,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:04:48,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:04:48,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:04:48,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:04:48,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (1/1) ... [2022-10-16 16:04:48,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:04:48,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:04:49,035 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 16:04:49,043 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 16:04:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:04:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:04:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:04:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:04:49,256 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:04:49,259 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:04:50,118 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:04:50,129 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:04:50,130 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:04:50,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:04:50 BoogieIcfgContainer [2022-10-16 16:04:50,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:04:50,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:04:50,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:04:50,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:04:50,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:04:48" (1/3) ... [2022-10-16 16:04:50,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a3ec5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:04:50, skipping insertion in model container [2022-10-16 16:04:50,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:48" (2/3) ... [2022-10-16 16:04:50,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a3ec5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:04:50, skipping insertion in model container [2022-10-16 16:04:50,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:04:50" (3/3) ... [2022-10-16 16:04:50,146 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:04:50,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:04:50,181 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-16 16:04:50,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:04:50,275 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;@2ff7ebed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:04:50,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-16 16:04:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 232 states, 203 states have (on average 1.7586206896551724) internal successors, (357), 231 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:04:50,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:50,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:04:50,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:50,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:50,298 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:04:50,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:50,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140758589] [2022-10-16 16:04:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:50,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:50,588 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 16:04:50,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:50,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140758589] [2022-10-16 16:04:50,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140758589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:50,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:50,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:04:50,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449236381] [2022-10-16 16:04:50,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:50,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:04:50,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:50,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:04:50,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:04:50,639 INFO L87 Difference]: Start difference. First operand has 232 states, 203 states have (on average 1.7586206896551724) internal successors, (357), 231 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:50,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:50,685 INFO L93 Difference]: Finished difference Result 235 states and 359 transitions. [2022-10-16 16:04:50,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:04:50,688 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 16:04:50,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:50,703 INFO L225 Difference]: With dead ends: 235 [2022-10-16 16:04:50,704 INFO L226 Difference]: Without dead ends: 219 [2022-10-16 16:04:50,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:04:50,713 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:50,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:50,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-10-16 16:04:50,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-10-16 16:04:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 201 states have (on average 1.4875621890547264) internal successors, (299), 218 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 299 transitions. [2022-10-16 16:04:50,792 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 299 transitions. Word has length 4 [2022-10-16 16:04:50,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:50,792 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 299 transitions. [2022-10-16 16:04:50,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 299 transitions. [2022-10-16 16:04:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:04:50,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:50,796 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] [2022-10-16 16:04:50,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:04:50,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:50,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:50,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1202341498, now seen corresponding path program 1 times [2022-10-16 16:04:50,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:50,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313224321] [2022-10-16 16:04:50,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:50,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:51,203 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 16:04:51,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:51,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313224321] [2022-10-16 16:04:51,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313224321] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:51,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:51,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:51,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654594107] [2022-10-16 16:04:51,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:51,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:51,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:51,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:51,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:51,210 INFO L87 Difference]: Start difference. First operand 219 states and 299 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:51,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:51,576 INFO L93 Difference]: Finished difference Result 457 states and 655 transitions. [2022-10-16 16:04:51,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:04:51,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 16:04:51,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:51,582 INFO L225 Difference]: With dead ends: 457 [2022-10-16 16:04:51,583 INFO L226 Difference]: Without dead ends: 454 [2022-10-16 16:04:51,584 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 16:04:51,586 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 694 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:51,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 730 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:51,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-10-16 16:04:51,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 329. [2022-10-16 16:04:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 312 states have (on average 1.5352564102564104) internal successors, (479), 328 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 479 transitions. [2022-10-16 16:04:51,635 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 479 transitions. Word has length 50 [2022-10-16 16:04:51,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:51,636 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 479 transitions. [2022-10-16 16:04:51,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 479 transitions. [2022-10-16 16:04:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:04:51,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:51,639 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] [2022-10-16 16:04:51,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:04:51,639 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:51,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:51,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1382119421, now seen corresponding path program 1 times [2022-10-16 16:04:51,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:51,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676815611] [2022-10-16 16:04:51,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:51,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:51,915 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 16:04:51,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:51,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676815611] [2022-10-16 16:04:51,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676815611] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:51,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:51,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:51,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686043069] [2022-10-16 16:04:51,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:51,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:51,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:51,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:51,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:51,919 INFO L87 Difference]: Start difference. First operand 329 states and 479 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:52,141 INFO L93 Difference]: Finished difference Result 444 states and 652 transitions. [2022-10-16 16:04:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:04:52,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-16 16:04:52,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:52,150 INFO L225 Difference]: With dead ends: 444 [2022-10-16 16:04:52,151 INFO L226 Difference]: Without dead ends: 441 [2022-10-16 16:04:52,153 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 16:04:52,160 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 697 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:52,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 431 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:52,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-10-16 16:04:52,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 433. [2022-10-16 16:04:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 417 states have (on average 1.5515587529976018) internal successors, (647), 432 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 647 transitions. [2022-10-16 16:04:52,258 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 647 transitions. Word has length 51 [2022-10-16 16:04:52,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:52,259 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 647 transitions. [2022-10-16 16:04:52,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 647 transitions. [2022-10-16 16:04:52,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:04:52,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:52,266 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] [2022-10-16 16:04:52,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:04:52,266 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:52,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:52,267 INFO L85 PathProgramCache]: Analyzing trace with hash -103970712, now seen corresponding path program 1 times [2022-10-16 16:04:52,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:52,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940098743] [2022-10-16 16:04:52,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:52,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:52,480 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 16:04:52,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:52,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940098743] [2022-10-16 16:04:52,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940098743] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:52,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:52,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:04:52,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682099844] [2022-10-16 16:04:52,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:52,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:04:52,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:52,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:04:52,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:04:52,485 INFO L87 Difference]: Start difference. First operand 433 states and 647 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:52,767 INFO L93 Difference]: Finished difference Result 661 states and 977 transitions. [2022-10-16 16:04:52,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:04:52,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 16:04:52,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:52,772 INFO L225 Difference]: With dead ends: 661 [2022-10-16 16:04:52,773 INFO L226 Difference]: Without dead ends: 658 [2022-10-16 16:04:52,774 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 16:04:52,775 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1100 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:52,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 1172 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-10-16 16:04:52,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 531. [2022-10-16 16:04:52,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 516 states have (on average 1.556201550387597) internal successors, (803), 530 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 803 transitions. [2022-10-16 16:04:52,852 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 803 transitions. Word has length 52 [2022-10-16 16:04:52,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:52,853 INFO L495 AbstractCegarLoop]: Abstraction has 531 states and 803 transitions. [2022-10-16 16:04:52,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 803 transitions. [2022-10-16 16:04:52,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:04:52,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:52,855 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] [2022-10-16 16:04:52,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:04:52,856 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:52,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:52,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1071875423, now seen corresponding path program 1 times [2022-10-16 16:04:52,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:52,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888796139] [2022-10-16 16:04:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:52,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:52,978 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 16:04:52,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:52,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888796139] [2022-10-16 16:04:52,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888796139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:52,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:52,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:04:52,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308564667] [2022-10-16 16:04:52,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:52,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:04:52,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:52,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:04:52,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:04:52,982 INFO L87 Difference]: Start difference. First operand 531 states and 803 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:53,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:53,207 INFO L93 Difference]: Finished difference Result 646 states and 964 transitions. [2022-10-16 16:04:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:04:53,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 16:04:53,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:53,212 INFO L225 Difference]: With dead ends: 646 [2022-10-16 16:04:53,212 INFO L226 Difference]: Without dead ends: 643 [2022-10-16 16:04:53,213 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 16:04:53,215 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1114 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:53,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 737 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:53,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-10-16 16:04:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 629. [2022-10-16 16:04:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 615 states have (on average 1.5560975609756098) internal successors, (957), 628 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:53,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 957 transitions. [2022-10-16 16:04:53,266 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 957 transitions. Word has length 53 [2022-10-16 16:04:53,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:53,267 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 957 transitions. [2022-10-16 16:04:53,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:53,267 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 957 transitions. [2022-10-16 16:04:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:04:53,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:53,269 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] [2022-10-16 16:04:53,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:04:53,269 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:53,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:53,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1131600054, now seen corresponding path program 1 times [2022-10-16 16:04:53,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:53,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216763647] [2022-10-16 16:04:53,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:53,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:53,493 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 16:04:53,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:53,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216763647] [2022-10-16 16:04:53,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216763647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:53,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:53,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:53,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625537259] [2022-10-16 16:04:53,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:53,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:53,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:53,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:53,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:53,500 INFO L87 Difference]: Start difference. First operand 629 states and 957 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:53,878 INFO L93 Difference]: Finished difference Result 1418 states and 2172 transitions. [2022-10-16 16:04:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:04:53,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 16:04:53,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:53,886 INFO L225 Difference]: With dead ends: 1418 [2022-10-16 16:04:53,886 INFO L226 Difference]: Without dead ends: 945 [2022-10-16 16:04:53,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:04:53,894 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1465 mSDsluCounter, 1464 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:53,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 1734 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:53,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2022-10-16 16:04:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 721. [2022-10-16 16:04:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 708 states have (on average 1.5494350282485876) internal successors, (1097), 720 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1097 transitions. [2022-10-16 16:04:53,964 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1097 transitions. Word has length 54 [2022-10-16 16:04:53,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:53,965 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 1097 transitions. [2022-10-16 16:04:53,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1097 transitions. [2022-10-16 16:04:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:04:53,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:53,967 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] [2022-10-16 16:04:53,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:04:53,967 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:53,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash -719863103, now seen corresponding path program 1 times [2022-10-16 16:04:53,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:53,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841834857] [2022-10-16 16:04:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:54,090 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 16:04:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:54,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841834857] [2022-10-16 16:04:54,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841834857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:54,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:54,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:54,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384570273] [2022-10-16 16:04:54,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:54,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:54,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:54,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:54,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:54,093 INFO L87 Difference]: Start difference. First operand 721 states and 1097 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:54,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:54,580 INFO L93 Difference]: Finished difference Result 1121 states and 1695 transitions. [2022-10-16 16:04:54,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:04:54,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-16 16:04:54,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:54,614 INFO L225 Difference]: With dead ends: 1121 [2022-10-16 16:04:54,615 INFO L226 Difference]: Without dead ends: 1118 [2022-10-16 16:04:54,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:04:54,616 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1873 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:54,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 1181 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:04:54,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-10-16 16:04:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1090. [2022-10-16 16:04:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1078 states have (on average 1.5602968460111317) internal successors, (1682), 1089 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1682 transitions. [2022-10-16 16:04:54,716 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1682 transitions. Word has length 55 [2022-10-16 16:04:54,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:54,717 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1682 transitions. [2022-10-16 16:04:54,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1682 transitions. [2022-10-16 16:04:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:04:54,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:54,719 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 16:04:54,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:04:54,719 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:54,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:54,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1066798081, now seen corresponding path program 1 times [2022-10-16 16:04:54,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:54,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152999480] [2022-10-16 16:04:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:54,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:54,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152999480] [2022-10-16 16:04:54,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152999480] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:54,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:54,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:54,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983405242] [2022-10-16 16:04:54,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:54,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:54,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:54,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:54,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:54,808 INFO L87 Difference]: Start difference. First operand 1090 states and 1682 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 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 16:04:55,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:55,060 INFO L93 Difference]: Finished difference Result 3009 states and 4679 transitions. [2022-10-16 16:04:55,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:55,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 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 16:04:55,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:55,072 INFO L225 Difference]: With dead ends: 3009 [2022-10-16 16:04:55,073 INFO L226 Difference]: Without dead ends: 2007 [2022-10-16 16:04:55,075 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 16:04:55,076 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 208 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:55,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 560 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:55,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2022-10-16 16:04:55,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1995. [2022-10-16 16:04:55,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1995 states, 1983 states have (on average 1.5542107917297026) internal successors, (3082), 1994 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 3082 transitions. [2022-10-16 16:04:55,344 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 3082 transitions. Word has length 78 [2022-10-16 16:04:55,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:55,345 INFO L495 AbstractCegarLoop]: Abstraction has 1995 states and 3082 transitions. [2022-10-16 16:04:55,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 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 16:04:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 3082 transitions. [2022-10-16 16:04:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:04:55,346 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:55,347 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 16:04:55,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:04:55,347 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:55,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:55,348 INFO L85 PathProgramCache]: Analyzing trace with hash 236519680, now seen corresponding path program 1 times [2022-10-16 16:04:55,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:55,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776593759] [2022-10-16 16:04:55,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:55,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:55,431 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 16:04:55,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:55,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776593759] [2022-10-16 16:04:55,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776593759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:55,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:55,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:55,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903886304] [2022-10-16 16:04:55,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:55,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:55,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:55,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:55,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:55,434 INFO L87 Difference]: Start difference. First operand 1995 states and 3082 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 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 16:04:55,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:55,878 INFO L93 Difference]: Finished difference Result 5507 states and 8547 transitions. [2022-10-16 16:04:55,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:55,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 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 16:04:55,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:55,900 INFO L225 Difference]: With dead ends: 5507 [2022-10-16 16:04:55,901 INFO L226 Difference]: Without dead ends: 3660 [2022-10-16 16:04:55,904 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 16:04:55,905 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 195 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:55,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 558 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:55,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2022-10-16 16:04:56,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 3648. [2022-10-16 16:04:56,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3636 states have (on average 1.5426292629262925) internal successors, (5609), 3647 states have internal predecessors, (5609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 5609 transitions. [2022-10-16 16:04:56,366 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 5609 transitions. Word has length 78 [2022-10-16 16:04:56,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:56,367 INFO L495 AbstractCegarLoop]: Abstraction has 3648 states and 5609 transitions. [2022-10-16 16:04:56,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 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 16:04:56,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5609 transitions. [2022-10-16 16:04:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:04:56,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:56,369 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 16:04:56,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:04:56,370 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:56,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:56,370 INFO L85 PathProgramCache]: Analyzing trace with hash -780624051, now seen corresponding path program 1 times [2022-10-16 16:04:56,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:56,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712316434] [2022-10-16 16:04:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:56,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:56,513 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 16:04:56,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:56,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712316434] [2022-10-16 16:04:56,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712316434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:56,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:56,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:56,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745624549] [2022-10-16 16:04:56,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:56,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:56,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:56,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:56,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:56,517 INFO L87 Difference]: Start difference. First operand 3648 states and 5609 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 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 16:04:57,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:57,110 INFO L93 Difference]: Finished difference Result 4314 states and 6657 transitions. [2022-10-16 16:04:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:04:57,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 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 16:04:57,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:57,136 INFO L225 Difference]: With dead ends: 4314 [2022-10-16 16:04:57,136 INFO L226 Difference]: Without dead ends: 4312 [2022-10-16 16:04:57,139 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 16:04:57,140 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 385 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:57,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 822 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2022-10-16 16:04:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 4296. [2022-10-16 16:04:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4296 states, 4284 states have (on average 1.550186741363212) internal successors, (6641), 4295 states have internal predecessors, (6641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:57,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 4296 states and 6641 transitions. [2022-10-16 16:04:57,627 INFO L78 Accepts]: Start accepts. Automaton has 4296 states and 6641 transitions. Word has length 79 [2022-10-16 16:04:57,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:57,628 INFO L495 AbstractCegarLoop]: Abstraction has 4296 states and 6641 transitions. [2022-10-16 16:04:57,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 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 16:04:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 6641 transitions. [2022-10-16 16:04:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:04:57,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:57,630 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 16:04:57,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:04:57,631 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:57,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:57,632 INFO L85 PathProgramCache]: Analyzing trace with hash 108330717, now seen corresponding path program 1 times [2022-10-16 16:04:57,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:57,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579541700] [2022-10-16 16:04:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:57,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:57,773 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 16:04:57,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:57,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579541700] [2022-10-16 16:04:57,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579541700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:57,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:57,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:57,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929411405] [2022-10-16 16:04:57,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:57,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:57,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:57,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:57,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:57,777 INFO L87 Difference]: Start difference. First operand 4296 states and 6641 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 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 16:04:58,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:58,438 INFO L93 Difference]: Finished difference Result 5629 states and 8722 transitions. [2022-10-16 16:04:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:04:58,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 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 16:04:58,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:58,472 INFO L225 Difference]: With dead ends: 5629 [2022-10-16 16:04:58,472 INFO L226 Difference]: Without dead ends: 5627 [2022-10-16 16:04:58,474 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 16:04:58,475 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 377 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:58,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 813 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:58,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5627 states. [2022-10-16 16:04:59,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5627 to 5283. [2022-10-16 16:04:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 5271 states have (on average 1.5530259912730031) internal successors, (8186), 5282 states have internal predecessors, (8186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 8186 transitions. [2022-10-16 16:04:59,058 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 8186 transitions. Word has length 79 [2022-10-16 16:04:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:59,058 INFO L495 AbstractCegarLoop]: Abstraction has 5283 states and 8186 transitions. [2022-10-16 16:04:59,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 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 16:04:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 8186 transitions. [2022-10-16 16:04:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:04:59,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:59,061 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 16:04:59,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:04:59,061 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:04:59,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:59,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1570458480, now seen corresponding path program 1 times [2022-10-16 16:04:59,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:59,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284329911] [2022-10-16 16:04:59,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:59,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:59,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:59,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284329911] [2022-10-16 16:04:59,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284329911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:59,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:59,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:59,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646077803] [2022-10-16 16:04:59,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:59,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:59,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:59,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:59,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:59,186 INFO L87 Difference]: Start difference. First operand 5283 states and 8186 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 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 16:04:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:59,805 INFO L93 Difference]: Finished difference Result 5291 states and 8186 transitions. [2022-10-16 16:04:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:04:59,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 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 16:04:59,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:59,835 INFO L225 Difference]: With dead ends: 5291 [2022-10-16 16:04:59,836 INFO L226 Difference]: Without dead ends: 5289 [2022-10-16 16:04:59,838 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 16:04:59,839 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 391 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:59,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 664 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:59,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5289 states. [2022-10-16 16:05:00,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5289 to 5281. [2022-10-16 16:05:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 5271 states have (on average 1.5469550369948777) internal successors, (8154), 5280 states have internal predecessors, (8154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 8154 transitions. [2022-10-16 16:05:00,440 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 8154 transitions. Word has length 80 [2022-10-16 16:05:00,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:00,440 INFO L495 AbstractCegarLoop]: Abstraction has 5281 states and 8154 transitions. [2022-10-16 16:05:00,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 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 16:05:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 8154 transitions. [2022-10-16 16:05:00,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:05:00,442 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:00,442 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 16:05:00,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:05:00,443 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:00,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:00,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1295167745, now seen corresponding path program 1 times [2022-10-16 16:05:00,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:00,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170052617] [2022-10-16 16:05:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:00,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:00,535 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 16:05:00,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:00,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170052617] [2022-10-16 16:05:00,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170052617] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:00,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:00,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:00,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989918048] [2022-10-16 16:05:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:00,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:00,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:00,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:00,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:00,538 INFO L87 Difference]: Start difference. First operand 5281 states and 8154 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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 16:05:01,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:01,550 INFO L93 Difference]: Finished difference Result 14739 states and 22781 transitions. [2022-10-16 16:05:01,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:01,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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 16:05:01,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:01,598 INFO L225 Difference]: With dead ends: 14739 [2022-10-16 16:05:01,598 INFO L226 Difference]: Without dead ends: 9734 [2022-10-16 16:05:01,611 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 16:05:01,613 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 180 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:01,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 554 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:01,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9734 states. [2022-10-16 16:05:02,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9734 to 8976. [2022-10-16 16:05:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8976 states, 8966 states have (on average 1.5283292438099487) internal successors, (13703), 8975 states have internal predecessors, (13703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8976 states to 8976 states and 13703 transitions. [2022-10-16 16:05:02,602 INFO L78 Accepts]: Start accepts. Automaton has 8976 states and 13703 transitions. Word has length 80 [2022-10-16 16:05:02,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:02,603 INFO L495 AbstractCegarLoop]: Abstraction has 8976 states and 13703 transitions. [2022-10-16 16:05:02,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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 16:05:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 8976 states and 13703 transitions. [2022-10-16 16:05:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:05:02,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:02,607 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 16:05:02,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:05:02,608 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:02,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:02,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1439572911, now seen corresponding path program 1 times [2022-10-16 16:05:02,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:02,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264212019] [2022-10-16 16:05:02,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:02,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:02,767 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 16:05:02,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:02,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264212019] [2022-10-16 16:05:02,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264212019] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:02,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:02,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:02,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034656999] [2022-10-16 16:05:02,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:02,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:02,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:02,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:02,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:02,770 INFO L87 Difference]: Start difference. First operand 8976 states and 13703 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:03,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:03,683 INFO L93 Difference]: Finished difference Result 10972 states and 16735 transitions. [2022-10-16 16:05:03,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:03,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:03,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:03,715 INFO L225 Difference]: With dead ends: 10972 [2022-10-16 16:05:03,715 INFO L226 Difference]: Without dead ends: 10970 [2022-10-16 16:05:03,721 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 16:05:03,722 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 800 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:03,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 973 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10970 states. [2022-10-16 16:05:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10970 to 10198. [2022-10-16 16:05:04,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10198 states, 10188 states have (on average 1.5277777777777777) internal successors, (15565), 10197 states have internal predecessors, (15565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10198 states to 10198 states and 15565 transitions. [2022-10-16 16:05:04,657 INFO L78 Accepts]: Start accepts. Automaton has 10198 states and 15565 transitions. Word has length 81 [2022-10-16 16:05:04,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:04,657 INFO L495 AbstractCegarLoop]: Abstraction has 10198 states and 15565 transitions. [2022-10-16 16:05:04,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:04,657 INFO L276 IsEmpty]: Start isEmpty. Operand 10198 states and 15565 transitions. [2022-10-16 16:05:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:05:04,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:04,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:04,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:05:04,661 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:04,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:04,661 INFO L85 PathProgramCache]: Analyzing trace with hash -851740499, now seen corresponding path program 1 times [2022-10-16 16:05:04,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:04,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269152068] [2022-10-16 16:05:04,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:04,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:04,807 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 16:05:04,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:04,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269152068] [2022-10-16 16:05:04,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269152068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:04,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:04,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:04,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68125034] [2022-10-16 16:05:04,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:04,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:04,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:04,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:04,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:04,809 INFO L87 Difference]: Start difference. First operand 10198 states and 15565 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:05,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:05,809 INFO L93 Difference]: Finished difference Result 10970 states and 16703 transitions. [2022-10-16 16:05:05,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:05,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:05,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:05,838 INFO L225 Difference]: With dead ends: 10970 [2022-10-16 16:05:05,838 INFO L226 Difference]: Without dead ends: 10968 [2022-10-16 16:05:05,843 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 16:05:05,844 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 787 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:05,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 1105 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:05,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10968 states. [2022-10-16 16:05:06,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10968 to 10504. [2022-10-16 16:05:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10504 states, 10494 states have (on average 1.525347817800648) internal successors, (16007), 10503 states have internal predecessors, (16007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10504 states to 10504 states and 16007 transitions. [2022-10-16 16:05:06,778 INFO L78 Accepts]: Start accepts. Automaton has 10504 states and 16007 transitions. Word has length 81 [2022-10-16 16:05:06,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:06,778 INFO L495 AbstractCegarLoop]: Abstraction has 10504 states and 16007 transitions. [2022-10-16 16:05:06,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 10504 states and 16007 transitions. [2022-10-16 16:05:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:05:06,781 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:06,781 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 16:05:06,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:05:06,782 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:06,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:06,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1026613055, now seen corresponding path program 1 times [2022-10-16 16:05:06,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:06,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174822690] [2022-10-16 16:05:06,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:06,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:06,945 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 16:05:06,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:06,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174822690] [2022-10-16 16:05:06,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174822690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:06,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:06,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:06,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967574038] [2022-10-16 16:05:06,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:06,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:06,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:06,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:06,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:06,947 INFO L87 Difference]: Start difference. First operand 10504 states and 16007 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:08,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:08,087 INFO L93 Difference]: Finished difference Result 12180 states and 18543 transitions. [2022-10-16 16:05:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:08,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:08,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:08,114 INFO L225 Difference]: With dead ends: 12180 [2022-10-16 16:05:08,114 INFO L226 Difference]: Without dead ends: 12178 [2022-10-16 16:05:08,119 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 16:05:08,120 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 789 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:08,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1096 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:08,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12178 states. [2022-10-16 16:05:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12178 to 11716. [2022-10-16 16:05:09,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11716 states, 11706 states have (on average 1.5252007517512387) internal successors, (17854), 11715 states have internal predecessors, (17854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11716 states to 11716 states and 17854 transitions. [2022-10-16 16:05:09,294 INFO L78 Accepts]: Start accepts. Automaton has 11716 states and 17854 transitions. Word has length 81 [2022-10-16 16:05:09,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:09,294 INFO L495 AbstractCegarLoop]: Abstraction has 11716 states and 17854 transitions. [2022-10-16 16:05:09,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 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 16:05:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 11716 states and 17854 transitions. [2022-10-16 16:05:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:05:09,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:09,298 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 16:05:09,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:05:09,298 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:09,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:09,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1677087570, now seen corresponding path program 1 times [2022-10-16 16:05:09,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:09,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555746191] [2022-10-16 16:05:09,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:09,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:09,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:09,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555746191] [2022-10-16 16:05:09,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555746191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:09,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:09,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:09,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128993846] [2022-10-16 16:05:09,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:09,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:09,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:09,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:09,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:09,457 INFO L87 Difference]: Start difference. First operand 11716 states and 17854 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 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 16:05:10,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:10,687 INFO L93 Difference]: Finished difference Result 14448 states and 22102 transitions. [2022-10-16 16:05:10,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:10,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 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 16:05:10,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:10,721 INFO L225 Difference]: With dead ends: 14448 [2022-10-16 16:05:10,721 INFO L226 Difference]: Without dead ends: 14446 [2022-10-16 16:05:10,729 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 16:05:10,729 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 823 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:10,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 816 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:10,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14446 states. [2022-10-16 16:05:12,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14446 to 13828. [2022-10-16 16:05:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13828 states, 13818 states have (on average 1.524822695035461) internal successors, (21070), 13827 states have internal predecessors, (21070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:12,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13828 states to 13828 states and 21070 transitions. [2022-10-16 16:05:12,341 INFO L78 Accepts]: Start accepts. Automaton has 13828 states and 21070 transitions. Word has length 82 [2022-10-16 16:05:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:12,342 INFO L495 AbstractCegarLoop]: Abstraction has 13828 states and 21070 transitions. [2022-10-16 16:05:12,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 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 16:05:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 13828 states and 21070 transitions. [2022-10-16 16:05:12,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:05:12,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:12,350 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 16:05:12,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:05:12,351 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:12,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:12,351 INFO L85 PathProgramCache]: Analyzing trace with hash -869689564, now seen corresponding path program 1 times [2022-10-16 16:05:12,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:12,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858578190] [2022-10-16 16:05:12,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:12,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:12,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:12,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858578190] [2022-10-16 16:05:12,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858578190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:12,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:12,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:12,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469260692] [2022-10-16 16:05:12,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:12,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:12,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:12,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:12,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:12,433 INFO L87 Difference]: Start difference. First operand 13828 states and 21070 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 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 16:05:14,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:14,228 INFO L93 Difference]: Finished difference Result 38744 states and 58929 transitions. [2022-10-16 16:05:14,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:14,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 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 16:05:14,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:14,281 INFO L225 Difference]: With dead ends: 38744 [2022-10-16 16:05:14,281 INFO L226 Difference]: Without dead ends: 25391 [2022-10-16 16:05:14,309 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 16:05:14,310 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 167 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:14,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 554 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:14,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25391 states. [2022-10-16 16:05:16,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25391 to 23790. [2022-10-16 16:05:16,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23790 states, 23780 states have (on average 1.5039108494533222) internal successors, (35763), 23789 states have internal predecessors, (35763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23790 states to 23790 states and 35763 transitions. [2022-10-16 16:05:16,113 INFO L78 Accepts]: Start accepts. Automaton has 23790 states and 35763 transitions. Word has length 82 [2022-10-16 16:05:16,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:16,113 INFO L495 AbstractCegarLoop]: Abstraction has 23790 states and 35763 transitions. [2022-10-16 16:05:16,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 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 16:05:16,113 INFO L276 IsEmpty]: Start isEmpty. Operand 23790 states and 35763 transitions. [2022-10-16 16:05:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:05:16,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:16,117 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 16:05:16,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:05:16,117 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:16,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:16,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1760233922, now seen corresponding path program 1 times [2022-10-16 16:05:16,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:16,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138187877] [2022-10-16 16:05:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:16,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:16,255 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 16:05:16,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:16,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138187877] [2022-10-16 16:05:16,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138187877] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:16,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:16,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:16,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881909169] [2022-10-16 16:05:16,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:16,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:16,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:16,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:16,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:16,260 INFO L87 Difference]: Start difference. First operand 23790 states and 35763 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 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 16:05:19,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:19,012 INFO L93 Difference]: Finished difference Result 34361 states and 51855 transitions. [2022-10-16 16:05:19,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:19,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 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 16:05:19,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:19,062 INFO L225 Difference]: With dead ends: 34361 [2022-10-16 16:05:19,062 INFO L226 Difference]: Without dead ends: 34359 [2022-10-16 16:05:19,072 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 16:05:19,074 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 812 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:19,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 812 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:19,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34359 states. [2022-10-16 16:05:21,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34359 to 26845. [2022-10-16 16:05:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26845 states, 26835 states have (on average 1.5073225265511458) internal successors, (40449), 26844 states have internal predecessors, (40449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26845 states to 26845 states and 40449 transitions. [2022-10-16 16:05:21,545 INFO L78 Accepts]: Start accepts. Automaton has 26845 states and 40449 transitions. Word has length 82 [2022-10-16 16:05:21,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:21,545 INFO L495 AbstractCegarLoop]: Abstraction has 26845 states and 40449 transitions. [2022-10-16 16:05:21,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 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 16:05:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 26845 states and 40449 transitions. [2022-10-16 16:05:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:05:21,548 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:21,548 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 16:05:21,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:05:21,548 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:21,549 INFO L85 PathProgramCache]: Analyzing trace with hash 450107409, now seen corresponding path program 1 times [2022-10-16 16:05:21,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:21,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88253944] [2022-10-16 16:05:21,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:21,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:21,702 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 16:05:21,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:21,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88253944] [2022-10-16 16:05:21,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88253944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:21,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:21,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:21,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635611107] [2022-10-16 16:05:21,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:21,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:21,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:21,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:21,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:21,705 INFO L87 Difference]: Start difference. First operand 26845 states and 40449 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 16:05:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:24,377 INFO L93 Difference]: Finished difference Result 46919 states and 70892 transitions. [2022-10-16 16:05:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:24,381 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 16:05:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:24,437 INFO L225 Difference]: With dead ends: 46919 [2022-10-16 16:05:24,437 INFO L226 Difference]: Without dead ends: 30271 [2022-10-16 16:05:24,462 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 16:05:24,463 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 1187 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:24,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1250 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:24,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30271 states. [2022-10-16 16:05:26,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30271 to 29021. [2022-10-16 16:05:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29021 states, 29011 states have (on average 1.5012581434628245) internal successors, (43553), 29020 states have internal predecessors, (43553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29021 states to 29021 states and 43553 transitions. [2022-10-16 16:05:26,691 INFO L78 Accepts]: Start accepts. Automaton has 29021 states and 43553 transitions. Word has length 83 [2022-10-16 16:05:26,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:26,691 INFO L495 AbstractCegarLoop]: Abstraction has 29021 states and 43553 transitions. [2022-10-16 16:05:26,691 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 16:05:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 29021 states and 43553 transitions. [2022-10-16 16:05:26,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:05:26,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:26,695 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 16:05:26,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:05:26,696 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:26,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:26,696 INFO L85 PathProgramCache]: Analyzing trace with hash 491918031, now seen corresponding path program 1 times [2022-10-16 16:05:26,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:26,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071495510] [2022-10-16 16:05:26,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:26,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:26,800 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 16:05:26,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:26,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071495510] [2022-10-16 16:05:26,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071495510] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:26,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:26,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:26,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465415109] [2022-10-16 16:05:26,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:26,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:26,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:26,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:26,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:26,803 INFO L87 Difference]: Start difference. First operand 29021 states and 43553 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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 16:05:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:30,203 INFO L93 Difference]: Finished difference Result 37226 states and 56139 transitions. [2022-10-16 16:05:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:05:30,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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 16:05:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:30,255 INFO L225 Difference]: With dead ends: 37226 [2022-10-16 16:05:30,255 INFO L226 Difference]: Without dead ends: 37224 [2022-10-16 16:05:30,263 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 16:05:30,264 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 333 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:30,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1237 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:30,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37224 states. [2022-10-16 16:05:32,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37224 to 31684. [2022-10-16 16:05:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31684 states, 31674 states have (on average 1.5020837279787838) internal successors, (47577), 31683 states have internal predecessors, (47577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31684 states to 31684 states and 47577 transitions. [2022-10-16 16:05:32,713 INFO L78 Accepts]: Start accepts. Automaton has 31684 states and 47577 transitions. Word has length 83 [2022-10-16 16:05:32,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:32,714 INFO L495 AbstractCegarLoop]: Abstraction has 31684 states and 47577 transitions. [2022-10-16 16:05:32,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 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 16:05:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 31684 states and 47577 transitions. [2022-10-16 16:05:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:05:32,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:32,718 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 16:05:32,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:05:32,718 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:32,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:32,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1816143247, now seen corresponding path program 1 times [2022-10-16 16:05:32,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:32,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905635329] [2022-10-16 16:05:32,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:32,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:32,876 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 16:05:32,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:32,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905635329] [2022-10-16 16:05:32,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905635329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:32,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:32,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:32,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036753776] [2022-10-16 16:05:32,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:32,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:32,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:32,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:32,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:32,878 INFO L87 Difference]: Start difference. First operand 31684 states and 47577 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 16:05:36,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:36,227 INFO L93 Difference]: Finished difference Result 59058 states and 89049 transitions. [2022-10-16 16:05:36,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:36,227 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 16:05:36,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:36,282 INFO L225 Difference]: With dead ends: 59058 [2022-10-16 16:05:36,282 INFO L226 Difference]: Without dead ends: 36226 [2022-10-16 16:05:36,311 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 16:05:36,312 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 1301 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:36,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 1204 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:36,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36226 states. [2022-10-16 16:05:39,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36226 to 33788. [2022-10-16 16:05:39,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33788 states, 33778 states have (on average 1.497572384392208) internal successors, (50585), 33787 states have internal predecessors, (50585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:39,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33788 states to 33788 states and 50585 transitions. [2022-10-16 16:05:39,371 INFO L78 Accepts]: Start accepts. Automaton has 33788 states and 50585 transitions. Word has length 83 [2022-10-16 16:05:39,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:39,371 INFO L495 AbstractCegarLoop]: Abstraction has 33788 states and 50585 transitions. [2022-10-16 16:05:39,372 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 16:05:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 33788 states and 50585 transitions. [2022-10-16 16:05:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:05:39,376 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:39,376 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 16:05:39,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:05:39,377 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:39,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:39,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1484897119, now seen corresponding path program 1 times [2022-10-16 16:05:39,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:39,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590409035] [2022-10-16 16:05:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:39,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:39,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:39,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:39,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590409035] [2022-10-16 16:05:39,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590409035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:39,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:39,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:39,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802106667] [2022-10-16 16:05:39,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:39,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:39,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:39,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:39,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:39,513 INFO L87 Difference]: Start difference. First operand 33788 states and 50585 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 16:05:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:43,226 INFO L93 Difference]: Finished difference Result 63903 states and 96106 transitions. [2022-10-16 16:05:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:05:43,227 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 16:05:43,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:43,278 INFO L225 Difference]: With dead ends: 63903 [2022-10-16 16:05:43,278 INFO L226 Difference]: Without dead ends: 36253 [2022-10-16 16:05:43,302 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 16:05:43,303 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 1207 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:43,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 1304 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36253 states. [2022-10-16 16:05:46,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36253 to 33955. [2022-10-16 16:05:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33955 states, 33945 states have (on average 1.4958020326999557) internal successors, (50775), 33954 states have internal predecessors, (50775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33955 states to 33955 states and 50775 transitions. [2022-10-16 16:05:46,430 INFO L78 Accepts]: Start accepts. Automaton has 33955 states and 50775 transitions. Word has length 83 [2022-10-16 16:05:46,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:46,430 INFO L495 AbstractCegarLoop]: Abstraction has 33955 states and 50775 transitions. [2022-10-16 16:05:46,430 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 16:05:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 33955 states and 50775 transitions. [2022-10-16 16:05:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:05:46,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:46,434 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 16:05:46,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:05:46,434 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:46,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:46,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1267322975, now seen corresponding path program 1 times [2022-10-16 16:05:46,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:46,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162393283] [2022-10-16 16:05:46,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:46,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:46,604 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 16:05:46,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:46,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162393283] [2022-10-16 16:05:46,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162393283] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:46,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:46,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:46,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177200000] [2022-10-16 16:05:46,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:46,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:46,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:46,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:46,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:46,609 INFO L87 Difference]: Start difference. First operand 33955 states and 50775 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 16:05:50,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:50,490 INFO L93 Difference]: Finished difference Result 61263 states and 92147 transitions. [2022-10-16 16:05:50,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:50,490 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 16:05:50,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:50,547 INFO L225 Difference]: With dead ends: 61263 [2022-10-16 16:05:50,548 INFO L226 Difference]: Without dead ends: 38431 [2022-10-16 16:05:50,571 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 16:05:50,572 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 1163 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:50,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 1505 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:50,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38431 states. [2022-10-16 16:05:53,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38431 to 35787. [2022-10-16 16:05:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35787 states, 35777 states have (on average 1.4927746876484893) internal successors, (53407), 35786 states have internal predecessors, (53407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35787 states to 35787 states and 53407 transitions. [2022-10-16 16:05:53,796 INFO L78 Accepts]: Start accepts. Automaton has 35787 states and 53407 transitions. Word has length 83 [2022-10-16 16:05:53,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:53,796 INFO L495 AbstractCegarLoop]: Abstraction has 35787 states and 53407 transitions. [2022-10-16 16:05:53,797 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 16:05:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 35787 states and 53407 transitions. [2022-10-16 16:05:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:05:53,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:53,800 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 16:05:53,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:05:53,800 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:05:53,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:53,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1068428084, now seen corresponding path program 1 times [2022-10-16 16:05:53,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:53,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308485721] [2022-10-16 16:05:53,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:53,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:53,934 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 16:05:53,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:53,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308485721] [2022-10-16 16:05:53,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308485721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:53,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:53,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:53,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37537477] [2022-10-16 16:05:53,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:53,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:53,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:53,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:53,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:53,936 INFO L87 Difference]: Start difference. First operand 35787 states and 53407 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 16:05:58,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:58,975 INFO L93 Difference]: Finished difference Result 56655 states and 84897 transitions. [2022-10-16 16:05:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:58,976 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 16:05:58,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:59,063 INFO L225 Difference]: With dead ends: 56655 [2022-10-16 16:05:59,063 INFO L226 Difference]: Without dead ends: 56330 [2022-10-16 16:05:59,077 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 16:05:59,077 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 1365 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:59,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 980 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:59,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56330 states. [2022-10-16 16:06:03,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56330 to 41824. [2022-10-16 16:06:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41824 states, 41814 states have (on average 1.5020088965418281) internal successors, (62805), 41823 states have internal predecessors, (62805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41824 states to 41824 states and 62805 transitions. [2022-10-16 16:06:03,096 INFO L78 Accepts]: Start accepts. Automaton has 41824 states and 62805 transitions. Word has length 84 [2022-10-16 16:06:03,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:03,096 INFO L495 AbstractCegarLoop]: Abstraction has 41824 states and 62805 transitions. [2022-10-16 16:06:03,096 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 16:06:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 41824 states and 62805 transitions. [2022-10-16 16:06:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:06:03,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:03,099 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 16:06:03,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:06:03,100 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:06:03,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash 465866102, now seen corresponding path program 1 times [2022-10-16 16:06:03,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:03,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429911642] [2022-10-16 16:06:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:03,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:03,228 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 16:06:03,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:03,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429911642] [2022-10-16 16:06:03,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429911642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:03,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:03,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:03,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225568965] [2022-10-16 16:06:03,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:03,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:03,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:03,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:03,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:03,231 INFO L87 Difference]: Start difference. First operand 41824 states and 62805 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 16:06:08,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:08,972 INFO L93 Difference]: Finished difference Result 57946 states and 86907 transitions. [2022-10-16 16:06:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:08,973 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 16:06:08,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:09,060 INFO L225 Difference]: With dead ends: 57946 [2022-10-16 16:06:09,060 INFO L226 Difference]: Without dead ends: 57629 [2022-10-16 16:06:09,076 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 16:06:09,076 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 1331 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:09,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 1022 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:06:09,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57629 states. [2022-10-16 16:06:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57629 to 44345. [2022-10-16 16:06:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44345 states, 44335 states have (on average 1.5058080523288597) internal successors, (66760), 44344 states have internal predecessors, (66760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:13,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44345 states to 44345 states and 66760 transitions. [2022-10-16 16:06:13,407 INFO L78 Accepts]: Start accepts. Automaton has 44345 states and 66760 transitions. Word has length 84 [2022-10-16 16:06:13,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:13,407 INFO L495 AbstractCegarLoop]: Abstraction has 44345 states and 66760 transitions. [2022-10-16 16:06:13,407 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 16:06:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand 44345 states and 66760 transitions. [2022-10-16 16:06:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:06:13,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:13,409 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 16:06:13,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:06:13,410 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:06:13,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:13,410 INFO L85 PathProgramCache]: Analyzing trace with hash -632306268, now seen corresponding path program 1 times [2022-10-16 16:06:13,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:13,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5068975] [2022-10-16 16:06:13,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:13,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:13,568 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 16:06:13,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:13,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5068975] [2022-10-16 16:06:13,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5068975] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:13,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:13,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:13,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952267593] [2022-10-16 16:06:13,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:13,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:13,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:13,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:13,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:13,570 INFO L87 Difference]: Start difference. First operand 44345 states and 66760 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 16:06:20,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:20,316 INFO L93 Difference]: Finished difference Result 60977 states and 91698 transitions. [2022-10-16 16:06:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:20,316 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 16:06:20,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:20,407 INFO L225 Difference]: With dead ends: 60977 [2022-10-16 16:06:20,407 INFO L226 Difference]: Without dead ends: 60656 [2022-10-16 16:06:20,422 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 16:06:20,423 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 1221 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:20,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1106 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:06:20,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60656 states. [2022-10-16 16:06:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60656 to 45583. [2022-10-16 16:06:25,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45583 states, 45573 states have (on average 1.5100388387861234) internal successors, (68817), 45582 states have internal predecessors, (68817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45583 states to 45583 states and 68817 transitions. [2022-10-16 16:06:25,179 INFO L78 Accepts]: Start accepts. Automaton has 45583 states and 68817 transitions. Word has length 84 [2022-10-16 16:06:25,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:25,305 INFO L495 AbstractCegarLoop]: Abstraction has 45583 states and 68817 transitions. [2022-10-16 16:06:25,306 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 16:06:25,306 INFO L276 IsEmpty]: Start isEmpty. Operand 45583 states and 68817 transitions. [2022-10-16 16:06:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:06:25,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:25,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:25,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:06:25,309 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:06:25,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1267634271, now seen corresponding path program 1 times [2022-10-16 16:06:25,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:25,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583343461] [2022-10-16 16:06:25,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:25,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:25,434 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 16:06:25,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:25,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583343461] [2022-10-16 16:06:25,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583343461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:25,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:25,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:06:25,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449053133] [2022-10-16 16:06:25,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:25,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:06:25,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:25,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:06:25,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:06:25,436 INFO L87 Difference]: Start difference. First operand 45583 states and 68817 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:31,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:31,230 INFO L93 Difference]: Finished difference Result 56272 states and 84848 transitions. [2022-10-16 16:06:31,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:06:31,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:06:31,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:31,302 INFO L225 Difference]: With dead ends: 56272 [2022-10-16 16:06:31,302 INFO L226 Difference]: Without dead ends: 56270 [2022-10-16 16:06:31,309 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 16:06:31,310 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 523 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:31,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 1358 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:06:31,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56270 states. [2022-10-16 16:06:36,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56270 to 52636. [2022-10-16 16:06:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52636 states, 52626 states have (on average 1.5081898681260213) internal successors, (79370), 52635 states have internal predecessors, (79370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52636 states to 52636 states and 79370 transitions. [2022-10-16 16:06:36,845 INFO L78 Accepts]: Start accepts. Automaton has 52636 states and 79370 transitions. Word has length 85 [2022-10-16 16:06:36,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:36,845 INFO L495 AbstractCegarLoop]: Abstraction has 52636 states and 79370 transitions. [2022-10-16 16:06:36,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 52636 states and 79370 transitions. [2022-10-16 16:06:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:06:36,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:36,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:36,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:06:36,848 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:06:36,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:36,849 INFO L85 PathProgramCache]: Analyzing trace with hash 286834353, now seen corresponding path program 1 times [2022-10-16 16:06:36,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:36,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956651256] [2022-10-16 16:06:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:36,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:36,993 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 16:06:36,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:36,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956651256] [2022-10-16 16:06:36,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956651256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:36,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:36,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:06:36,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418257158] [2022-10-16 16:06:36,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:36,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:06:36,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:36,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:06:36,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:06:36,996 INFO L87 Difference]: Start difference. First operand 52636 states and 79370 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:43,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:43,398 INFO L93 Difference]: Finished difference Result 60787 states and 91780 transitions. [2022-10-16 16:06:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:06:43,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:06:43,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:43,478 INFO L225 Difference]: With dead ends: 60787 [2022-10-16 16:06:43,478 INFO L226 Difference]: Without dead ends: 60785 [2022-10-16 16:06:43,489 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 16:06:43,490 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 560 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:43,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1112 Invalid, 147 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:06:43,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60785 states. [2022-10-16 16:06:49,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60785 to 58824. [2022-10-16 16:06:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58824 states, 58814 states have (on average 1.5091984901554052) internal successors, (88762), 58823 states have internal predecessors, (88762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58824 states to 58824 states and 88762 transitions. [2022-10-16 16:06:49,577 INFO L78 Accepts]: Start accepts. Automaton has 58824 states and 88762 transitions. Word has length 85 [2022-10-16 16:06:49,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:49,578 INFO L495 AbstractCegarLoop]: Abstraction has 58824 states and 88762 transitions. [2022-10-16 16:06:49,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 58824 states and 88762 transitions. [2022-10-16 16:06:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:06:49,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:49,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:49,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:06:49,581 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:06:49,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:49,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1845868913, now seen corresponding path program 1 times [2022-10-16 16:06:49,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:49,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119337130] [2022-10-16 16:06:49,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:49,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:49,701 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 16:06:49,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:49,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119337130] [2022-10-16 16:06:49,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119337130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:49,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:49,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:06:49,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216703256] [2022-10-16 16:06:49,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:49,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:06:49,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:49,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:06:49,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:06:49,703 INFO L87 Difference]: Start difference. First operand 58824 states and 88762 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:56,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:56,945 INFO L93 Difference]: Finished difference Result 67308 states and 101412 transitions. [2022-10-16 16:06:56,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:06:56,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:06:56,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:57,043 INFO L225 Difference]: With dead ends: 67308 [2022-10-16 16:06:57,044 INFO L226 Difference]: Without dead ends: 67306 [2022-10-16 16:06:57,059 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 16:06:57,060 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 527 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:57,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1095 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:06:57,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67306 states. [2022-10-16 16:07:03,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67306 to 63827. [2022-10-16 16:07:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63827 states, 63817 states have (on average 1.5074039832646473) internal successors, (96198), 63826 states have internal predecessors, (96198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63827 states to 63827 states and 96198 transitions. [2022-10-16 16:07:03,983 INFO L78 Accepts]: Start accepts. Automaton has 63827 states and 96198 transitions. Word has length 85 [2022-10-16 16:07:03,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:03,983 INFO L495 AbstractCegarLoop]: Abstraction has 63827 states and 96198 transitions. [2022-10-16 16:07:03,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:03,984 INFO L276 IsEmpty]: Start isEmpty. Operand 63827 states and 96198 transitions. [2022-10-16 16:07:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:07:03,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:03,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:03,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:07:03,986 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:07:03,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:03,986 INFO L85 PathProgramCache]: Analyzing trace with hash 301930640, now seen corresponding path program 1 times [2022-10-16 16:07:03,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:03,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666273120] [2022-10-16 16:07:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:03,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:04,099 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 16:07:04,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:04,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666273120] [2022-10-16 16:07:04,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666273120] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:04,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:04,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:04,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848227110] [2022-10-16 16:07:04,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:04,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:04,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:04,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:04,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:04,101 INFO L87 Difference]: Start difference. First operand 63827 states and 96198 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:11,767 INFO L93 Difference]: Finished difference Result 67657 states and 101794 transitions. [2022-10-16 16:07:11,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:11,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:07:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:11,864 INFO L225 Difference]: With dead ends: 67657 [2022-10-16 16:07:11,864 INFO L226 Difference]: Without dead ends: 67655 [2022-10-16 16:07:11,877 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 16:07:11,878 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 541 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:11,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 1228 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:07:11,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67655 states. [2022-10-16 16:07:18,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67655 to 53329. [2022-10-16 16:07:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53329 states, 53319 states have (on average 1.502766368461524) internal successors, (80126), 53328 states have internal predecessors, (80126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53329 states to 53329 states and 80126 transitions. [2022-10-16 16:07:18,184 INFO L78 Accepts]: Start accepts. Automaton has 53329 states and 80126 transitions. Word has length 86 [2022-10-16 16:07:18,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:18,185 INFO L495 AbstractCegarLoop]: Abstraction has 53329 states and 80126 transitions. [2022-10-16 16:07:18,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:18,185 INFO L276 IsEmpty]: Start isEmpty. Operand 53329 states and 80126 transitions. [2022-10-16 16:07:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:07:18,188 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:18,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:18,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:07:18,188 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:07:18,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:18,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1574186883, now seen corresponding path program 1 times [2022-10-16 16:07:18,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:18,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960024223] [2022-10-16 16:07:18,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:18,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:18,334 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 16:07:18,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:18,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960024223] [2022-10-16 16:07:18,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960024223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:18,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:18,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:18,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226367965] [2022-10-16 16:07:18,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:18,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:18,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:18,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:18,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:18,338 INFO L87 Difference]: Start difference. First operand 53329 states and 80126 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:25,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:25,961 INFO L93 Difference]: Finished difference Result 61517 states and 92203 transitions. [2022-10-16 16:07:25,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:25,961 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:07:25,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:26,043 INFO L225 Difference]: With dead ends: 61517 [2022-10-16 16:07:26,043 INFO L226 Difference]: Without dead ends: 61447 [2022-10-16 16:07:26,054 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 16:07:26,057 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 929 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:26,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 1497 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:07:26,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61447 states. [2022-10-16 16:07:32,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61447 to 57266. [2022-10-16 16:07:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57266 states, 57256 states have (on average 1.5002969121140142) internal successors, (85901), 57265 states have internal predecessors, (85901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:32,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57266 states to 57266 states and 85901 transitions. [2022-10-16 16:07:32,867 INFO L78 Accepts]: Start accepts. Automaton has 57266 states and 85901 transitions. Word has length 87 [2022-10-16 16:07:32,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:32,868 INFO L495 AbstractCegarLoop]: Abstraction has 57266 states and 85901 transitions. [2022-10-16 16:07:32,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:32,868 INFO L276 IsEmpty]: Start isEmpty. Operand 57266 states and 85901 transitions. [2022-10-16 16:07:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:07:32,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:32,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:32,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:07:32,870 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:07:32,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:32,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1693857749, now seen corresponding path program 1 times [2022-10-16 16:07:32,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:32,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272727134] [2022-10-16 16:07:32,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:32,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:33,044 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 16:07:33,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:33,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272727134] [2022-10-16 16:07:33,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272727134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:33,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:33,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:33,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151095973] [2022-10-16 16:07:33,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:33,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:33,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:33,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:33,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:33,047 INFO L87 Difference]: Start difference. First operand 57266 states and 85901 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:40,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:40,843 INFO L93 Difference]: Finished difference Result 62007 states and 92805 transitions. [2022-10-16 16:07:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:40,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:07:40,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:40,926 INFO L225 Difference]: With dead ends: 62007 [2022-10-16 16:07:40,926 INFO L226 Difference]: Without dead ends: 61574 [2022-10-16 16:07:40,938 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 16:07:40,940 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 912 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:40,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 1278 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:07:40,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61574 states. [2022-10-16 16:07:47,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61574 to 58304. [2022-10-16 16:07:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58304 states, 58294 states have (on average 1.498902116855937) internal successors, (87377), 58303 states have internal predecessors, (87377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:47,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58304 states to 58304 states and 87377 transitions. [2022-10-16 16:07:47,988 INFO L78 Accepts]: Start accepts. Automaton has 58304 states and 87377 transitions. Word has length 87 [2022-10-16 16:07:47,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:47,989 INFO L495 AbstractCegarLoop]: Abstraction has 58304 states and 87377 transitions. [2022-10-16 16:07:47,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 58304 states and 87377 transitions. [2022-10-16 16:07:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:07:47,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:47,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:47,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:07:47,992 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:07:47,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash 769915539, now seen corresponding path program 1 times [2022-10-16 16:07:47,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:47,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572195730] [2022-10-16 16:07:47,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:47,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:48,120 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 16:07:48,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:48,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572195730] [2022-10-16 16:07:48,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572195730] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:48,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:48,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:48,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421052914] [2022-10-16 16:07:48,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:48,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:48,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:48,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:48,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:48,122 INFO L87 Difference]: Start difference. First operand 58304 states and 87377 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:56,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:56,306 INFO L93 Difference]: Finished difference Result 66437 states and 99538 transitions. [2022-10-16 16:07:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:56,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:07:56,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:56,405 INFO L225 Difference]: With dead ends: 66437 [2022-10-16 16:07:56,405 INFO L226 Difference]: Without dead ends: 66367 [2022-10-16 16:07:56,419 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 16:07:56,419 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 950 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:56,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [950 Valid, 1624 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:07:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66367 states. [2022-10-16 16:08:03,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66367 to 61829. [2022-10-16 16:08:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61829 states, 61819 states have (on average 1.498697811352497) internal successors, (92648), 61828 states have internal predecessors, (92648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61829 states to 61829 states and 92648 transitions. [2022-10-16 16:08:03,828 INFO L78 Accepts]: Start accepts. Automaton has 61829 states and 92648 transitions. Word has length 87 [2022-10-16 16:08:03,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:03,828 INFO L495 AbstractCegarLoop]: Abstraction has 61829 states and 92648 transitions. [2022-10-16 16:08:03,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 61829 states and 92648 transitions. [2022-10-16 16:08:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:08:03,831 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:03,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:03,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:08:03,831 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:08:03,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:03,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1127241709, now seen corresponding path program 1 times [2022-10-16 16:08:03,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:03,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788725584] [2022-10-16 16:08:03,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:03,951 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 16:08:03,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:03,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788725584] [2022-10-16 16:08:03,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788725584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:03,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:03,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:03,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892816479] [2022-10-16 16:08:03,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:03,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:03,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:03,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:03,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:03,953 INFO L87 Difference]: Start difference. First operand 61829 states and 92648 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:12,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:12,097 INFO L93 Difference]: Finished difference Result 65168 states and 97469 transitions. [2022-10-16 16:08:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:12,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:08:12,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:12,195 INFO L225 Difference]: With dead ends: 65168 [2022-10-16 16:08:12,196 INFO L226 Difference]: Without dead ends: 64743 [2022-10-16 16:08:12,208 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 16:08:12,208 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 913 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:12,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 1590 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:08:12,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64743 states. [2022-10-16 16:08:19,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64743 to 62665. [2022-10-16 16:08:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62665 states, 62655 states have (on average 1.4970074215944458) internal successors, (93795), 62664 states have internal predecessors, (93795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62665 states to 62665 states and 93795 transitions. [2022-10-16 16:08:19,739 INFO L78 Accepts]: Start accepts. Automaton has 62665 states and 93795 transitions. Word has length 87 [2022-10-16 16:08:19,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:19,739 INFO L495 AbstractCegarLoop]: Abstraction has 62665 states and 93795 transitions. [2022-10-16 16:08:19,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 62665 states and 93795 transitions. [2022-10-16 16:08:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:08:19,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:19,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:19,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:08:19,743 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:08:19,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:19,743 INFO L85 PathProgramCache]: Analyzing trace with hash -58522895, now seen corresponding path program 1 times [2022-10-16 16:08:19,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:19,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142094378] [2022-10-16 16:08:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:19,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:19,890 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 16:08:19,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:19,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142094378] [2022-10-16 16:08:19,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142094378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:19,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:19,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:19,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007987119] [2022-10-16 16:08:19,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:19,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:19,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:19,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:19,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:19,893 INFO L87 Difference]: Start difference. First operand 62665 states and 93795 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:28,754 INFO L93 Difference]: Finished difference Result 70782 states and 105752 transitions. [2022-10-16 16:08:28,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:28,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:08:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:28,850 INFO L225 Difference]: With dead ends: 70782 [2022-10-16 16:08:28,850 INFO L226 Difference]: Without dead ends: 70712 [2022-10-16 16:08:28,864 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 16:08:28,864 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 920 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 1588 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 16:08:28,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1588 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:08:28,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70712 states. [2022-10-16 16:08:36,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70712 to 66964. [2022-10-16 16:08:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66964 states, 66954 states have (on average 1.4954446336290588) internal successors, (100126), 66963 states have internal predecessors, (100126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66964 states to 66964 states and 100126 transitions. [2022-10-16 16:08:37,091 INFO L78 Accepts]: Start accepts. Automaton has 66964 states and 100126 transitions. Word has length 87 [2022-10-16 16:08:37,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:37,092 INFO L495 AbstractCegarLoop]: Abstraction has 66964 states and 100126 transitions. [2022-10-16 16:08:37,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 66964 states and 100126 transitions. [2022-10-16 16:08:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:08:37,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:37,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:37,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:08:37,094 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 16:08:37,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:37,095 INFO L85 PathProgramCache]: Analyzing trace with hash 61147971, now seen corresponding path program 1 times [2022-10-16 16:08:37,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:37,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446974423] [2022-10-16 16:08:37,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:37,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:37,256 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 16:08:37,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:37,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446974423] [2022-10-16 16:08:37,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446974423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:37,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:37,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:37,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881481900] [2022-10-16 16:08:37,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:37,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:37,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:37,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:37,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:37,261 INFO L87 Difference]: Start difference. First operand 66964 states and 100126 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:46,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:46,480 INFO L93 Difference]: Finished difference Result 71974 states and 107343 transitions. [2022-10-16 16:08:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:46,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 16:08:46,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:46,593 INFO L225 Difference]: With dead ends: 71974 [2022-10-16 16:08:46,593 INFO L226 Difference]: Without dead ends: 71545 [2022-10-16 16:08:46,609 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 16:08:46,610 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 907 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:46,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 1375 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:08:46,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71545 states.