/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/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:54:35,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:54:35,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:54:35,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:54:35,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:54:35,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:54:35,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:54:35,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:54:35,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:54:35,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:54:35,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:54:35,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:54:35,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:54:35,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:54:35,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:54:35,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:54:35,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:54:35,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:54:35,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:54:35,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:54:35,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:54:35,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:54:35,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:54:35,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:54:35,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:54:35,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:54:35,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:54:35,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:54:35,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:54:35,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:54:35,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:54:35,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:54:35,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:54:35,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:54:35,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:54:35,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:54:35,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:54:35,844 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:54:35,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:54:35,844 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:54:35,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:54:35,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:54:35,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:54:35,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:54:35,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:54:35,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:54:35,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:54:35,846 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:54:35,846 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:54:35,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:54:35,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:54:35,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:54:35,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:54:35,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:54:35,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:54:35,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:54:35,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:54:35,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:54:35,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:54:35,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:54:35,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:54:35,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:54:35,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:54:36,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:54:36,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:54:36,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:54:36,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:54:36,261 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:54:36,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c [2022-10-15 21:54:36,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b702a150/8336751b958e4222a99ef327b6e4f45d/FLAGc82f548fd [2022-10-15 21:54:37,197 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:54:37,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c [2022-10-15 21:54:37,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b702a150/8336751b958e4222a99ef327b6e4f45d/FLAGc82f548fd [2022-10-15 21:54:37,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b702a150/8336751b958e4222a99ef327b6e4f45d [2022-10-15 21:54:37,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:54:37,396 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:54:37,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:54:37,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:54:37,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:54:37,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:54:37" (1/1) ... [2022-10-15 21:54:37,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc8f110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:37, skipping insertion in model container [2022-10-15 21:54:37,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:54:37" (1/1) ... [2022-10-15 21:54:37,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:54:37,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:54:38,197 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/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c[61047,61060] [2022-10-15 21:54:38,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:54:38,232 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:54:38,351 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/pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c[61047,61060] [2022-10-15 21:54:38,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:54:38,382 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:54:38,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38 WrapperNode [2022-10-15 21:54:38,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:54:38,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:54:38,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:54:38,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:54:38,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,543 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 2103 [2022-10-15 21:54:38,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:54:38,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:54:38,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:54:38,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:54:38,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,695 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:54:38,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:54:38,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:54:38,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:54:38,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (1/1) ... [2022-10-15 21:54:38,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:54:38,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:54:38,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:54:38,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:54:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:54:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:54:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:54:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:54:39,029 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:54:39,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:54:41,037 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:54:41,055 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:54:41,056 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:54:41,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:54:41 BoogieIcfgContainer [2022-10-15 21:54:41,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:54:41,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:54:41,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:54:41,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:54:41,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:54:37" (1/3) ... [2022-10-15 21:54:41,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f16fa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:54:41, skipping insertion in model container [2022-10-15 21:54:41,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:54:38" (2/3) ... [2022-10-15 21:54:41,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f16fa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:54:41, skipping insertion in model container [2022-10-15 21:54:41,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:54:41" (3/3) ... [2022-10-15 21:54:41,072 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5_overflow.ufo.UNBOUNDED.pals.c [2022-10-15 21:54:41,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:54:41,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2022-10-15 21:54:41,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:54:41,198 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;@397de6a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:54:41,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-10-15 21:54:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 825 states, 764 states have (on average 1.861256544502618) internal successors, (1422), 824 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 21:54:41,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:41,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:41,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:41,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1735181686, now seen corresponding path program 1 times [2022-10-15 21:54:41,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:41,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808098172] [2022-10-15 21:54:41,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:41,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:41,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:41,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808098172] [2022-10-15 21:54:41,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808098172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:41,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:41,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:54:41,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700110524] [2022-10-15 21:54:41,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:41,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:54:41,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:41,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:54:41,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:54:41,978 INFO L87 Difference]: Start difference. First operand has 825 states, 764 states have (on average 1.861256544502618) internal successors, (1422), 824 states have internal predecessors, (1422), 0 states have call successors, (0), 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, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:42,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:42,099 INFO L93 Difference]: Finished difference Result 1091 states and 1815 transitions. [2022-10-15 21:54:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:54:42,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-15 21:54:42,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:42,136 INFO L225 Difference]: With dead ends: 1091 [2022-10-15 21:54:42,136 INFO L226 Difference]: Without dead ends: 810 [2022-10-15 21:54:42,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:54:42,154 INFO L413 NwaCegarLoop]: 1405 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, 1405 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:42,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:54:42,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-10-15 21:54:42,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 810. [2022-10-15 21:54:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 760 states have (on average 1.8473684210526315) internal successors, (1404), 809 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1404 transitions. [2022-10-15 21:54:42,276 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1404 transitions. Word has length 130 [2022-10-15 21:54:42,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:42,277 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 1404 transitions. [2022-10-15 21:54:42,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1404 transitions. [2022-10-15 21:54:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-15 21:54:42,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:42,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:42,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:54:42,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:42,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:42,314 INFO L85 PathProgramCache]: Analyzing trace with hash 238486023, now seen corresponding path program 1 times [2022-10-15 21:54:42,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:42,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151474994] [2022-10-15 21:54:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:42,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:42,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:42,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151474994] [2022-10-15 21:54:42,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151474994] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:42,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:42,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:54:42,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856939926] [2022-10-15 21:54:42,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:42,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:54:42,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:42,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:54:42,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:54:42,938 INFO L87 Difference]: Start difference. First operand 810 states and 1404 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:43,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:43,105 INFO L93 Difference]: Finished difference Result 1078 states and 1786 transitions. [2022-10-15 21:54:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:54:43,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2022-10-15 21:54:43,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:43,113 INFO L225 Difference]: With dead ends: 1078 [2022-10-15 21:54:43,113 INFO L226 Difference]: Without dead ends: 810 [2022-10-15 21:54:43,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:54:43,122 INFO L413 NwaCegarLoop]: 1402 mSDtfsCounter, 3 mSDsluCounter, 4143 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5545 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:43,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5545 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:54:43,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-10-15 21:54:43,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 810. [2022-10-15 21:54:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 760 states have (on average 1.768421052631579) internal successors, (1344), 809 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1344 transitions. [2022-10-15 21:54:43,158 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1344 transitions. Word has length 149 [2022-10-15 21:54:43,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:43,162 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 1344 transitions. [2022-10-15 21:54:43,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1344 transitions. [2022-10-15 21:54:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-15 21:54:43,175 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:43,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:43,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:54:43,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:43,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:43,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1886538894, now seen corresponding path program 1 times [2022-10-15 21:54:43,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:43,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348726935] [2022-10-15 21:54:43,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:43,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:43,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:43,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348726935] [2022-10-15 21:54:43,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348726935] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:43,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:43,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:54:43,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352733497] [2022-10-15 21:54:43,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:43,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:43,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:43,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:43,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:43,572 INFO L87 Difference]: Start difference. First operand 810 states and 1344 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:43,650 INFO L93 Difference]: Finished difference Result 1293 states and 2043 transitions. [2022-10-15 21:54:43,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:43,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2022-10-15 21:54:43,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:43,658 INFO L225 Difference]: With dead ends: 1293 [2022-10-15 21:54:43,658 INFO L226 Difference]: Without dead ends: 1029 [2022-10-15 21:54:43,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:43,661 INFO L413 NwaCegarLoop]: 1359 mSDtfsCounter, 313 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:43,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 2639 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:54:43,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-10-15 21:54:43,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 993. [2022-10-15 21:54:43,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 943 states have (on average 1.7582184517497348) internal successors, (1658), 992 states have internal predecessors, (1658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:43,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1658 transitions. [2022-10-15 21:54:43,694 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1658 transitions. Word has length 208 [2022-10-15 21:54:43,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:43,695 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1658 transitions. [2022-10-15 21:54:43,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1658 transitions. [2022-10-15 21:54:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-15 21:54:43,700 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:43,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:43,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:54:43,701 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:43,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:43,702 INFO L85 PathProgramCache]: Analyzing trace with hash -968164054, now seen corresponding path program 1 times [2022-10-15 21:54:43,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:43,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323324435] [2022-10-15 21:54:43,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:43,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:44,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:44,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323324435] [2022-10-15 21:54:44,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323324435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:44,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:44,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:54:44,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511240289] [2022-10-15 21:54:44,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:44,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:44,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:44,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:44,080 INFO L87 Difference]: Start difference. First operand 993 states and 1658 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:44,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:44,150 INFO L93 Difference]: Finished difference Result 1865 states and 3000 transitions. [2022-10-15 21:54:44,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:44,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 212 [2022-10-15 21:54:44,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:44,162 INFO L225 Difference]: With dead ends: 1865 [2022-10-15 21:54:44,162 INFO L226 Difference]: Without dead ends: 1418 [2022-10-15 21:54:44,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:44,166 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 345 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 2631 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:44,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 2631 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:54:44,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2022-10-15 21:54:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1364. [2022-10-15 21:54:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1314 states have (on average 1.751902587519026) internal successors, (2302), 1363 states have internal predecessors, (2302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2302 transitions. [2022-10-15 21:54:44,230 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2302 transitions. Word has length 212 [2022-10-15 21:54:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:44,231 INFO L495 AbstractCegarLoop]: Abstraction has 1364 states and 2302 transitions. [2022-10-15 21:54:44,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2302 transitions. [2022-10-15 21:54:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-10-15 21:54:44,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:44,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:44,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:54:44,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:44,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:44,242 INFO L85 PathProgramCache]: Analyzing trace with hash -318997818, now seen corresponding path program 1 times [2022-10-15 21:54:44,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:44,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468806723] [2022-10-15 21:54:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:44,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:44,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:44,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468806723] [2022-10-15 21:54:44,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468806723] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:44,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:44,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:54:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320380739] [2022-10-15 21:54:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:44,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:44,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:44,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:44,685 INFO L87 Difference]: Start difference. First operand 1364 states and 2302 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:44,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:44,807 INFO L93 Difference]: Finished difference Result 2956 states and 4890 transitions. [2022-10-15 21:54:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:44,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 216 [2022-10-15 21:54:44,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:44,824 INFO L225 Difference]: With dead ends: 2956 [2022-10-15 21:54:44,824 INFO L226 Difference]: Without dead ends: 2138 [2022-10-15 21:54:44,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:44,829 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 337 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 2632 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:44,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 2632 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:54:44,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2022-10-15 21:54:44,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2080. [2022-10-15 21:54:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2080 states, 2030 states have (on average 1.7448275862068965) internal successors, (3542), 2079 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 3542 transitions. [2022-10-15 21:54:44,916 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 3542 transitions. Word has length 216 [2022-10-15 21:54:44,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:44,916 INFO L495 AbstractCegarLoop]: Abstraction has 2080 states and 3542 transitions. [2022-10-15 21:54:44,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 3542 transitions. [2022-10-15 21:54:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-10-15 21:54:44,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:44,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:44,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:54:44,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:44,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:44,931 INFO L85 PathProgramCache]: Analyzing trace with hash 265143650, now seen corresponding path program 1 times [2022-10-15 21:54:44,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:44,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783253574] [2022-10-15 21:54:44,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:44,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:45,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:45,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783253574] [2022-10-15 21:54:45,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783253574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:45,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:45,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:54:45,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648027628] [2022-10-15 21:54:45,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:45,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:45,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:45,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:45,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:45,368 INFO L87 Difference]: Start difference. First operand 2080 states and 3542 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:45,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:45,570 INFO L93 Difference]: Finished difference Result 5060 states and 8526 transitions. [2022-10-15 21:54:45,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:45,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 220 [2022-10-15 21:54:45,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:45,594 INFO L225 Difference]: With dead ends: 5060 [2022-10-15 21:54:45,595 INFO L226 Difference]: Without dead ends: 3526 [2022-10-15 21:54:45,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:45,601 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 329 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 2633 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:45,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 2633 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:54:45,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3526 states. [2022-10-15 21:54:45,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3526 to 3460. [2022-10-15 21:54:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3460 states, 3410 states have (on average 1.7378299120234604) internal successors, (5926), 3459 states have internal predecessors, (5926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 5926 transitions. [2022-10-15 21:54:45,805 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 5926 transitions. Word has length 220 [2022-10-15 21:54:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:45,806 INFO L495 AbstractCegarLoop]: Abstraction has 3460 states and 5926 transitions. [2022-10-15 21:54:45,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 5926 transitions. [2022-10-15 21:54:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-10-15 21:54:45,813 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:45,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:45,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:54:45,814 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:45,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:45,815 INFO L85 PathProgramCache]: Analyzing trace with hash -179970818, now seen corresponding path program 1 times [2022-10-15 21:54:45,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:45,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526909643] [2022-10-15 21:54:45,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:45,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:46,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:46,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526909643] [2022-10-15 21:54:46,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526909643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:46,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:46,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:54:46,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535254215] [2022-10-15 21:54:46,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:46,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:46,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:46,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:46,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:46,155 INFO L87 Difference]: Start difference. First operand 3460 states and 5926 transitions. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:46,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:46,371 INFO L93 Difference]: Finished difference Result 9112 states and 15510 transitions. [2022-10-15 21:54:46,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:46,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2022-10-15 21:54:46,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:46,411 INFO L225 Difference]: With dead ends: 9112 [2022-10-15 21:54:46,411 INFO L226 Difference]: Without dead ends: 6198 [2022-10-15 21:54:46,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:46,418 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 321 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:46,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 2634 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:54:46,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6198 states. [2022-10-15 21:54:46,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6198 to 6116. [2022-10-15 21:54:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6116 states, 6066 states have (on average 1.7312891526541379) internal successors, (10502), 6115 states have internal predecessors, (10502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6116 states to 6116 states and 10502 transitions. [2022-10-15 21:54:46,677 INFO L78 Accepts]: Start accepts. Automaton has 6116 states and 10502 transitions. Word has length 224 [2022-10-15 21:54:46,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:46,678 INFO L495 AbstractCegarLoop]: Abstraction has 6116 states and 10502 transitions. [2022-10-15 21:54:46,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:46,679 INFO L276 IsEmpty]: Start isEmpty. Operand 6116 states and 10502 transitions. [2022-10-15 21:54:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-10-15 21:54:46,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:46,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:46,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:54:46,685 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:46,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:46,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1087651430, now seen corresponding path program 1 times [2022-10-15 21:54:46,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:46,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646217376] [2022-10-15 21:54:46,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:46,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:47,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:47,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646217376] [2022-10-15 21:54:47,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646217376] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:47,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:47,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:54:47,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253677273] [2022-10-15 21:54:47,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:47,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:47,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:47,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:47,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:47,114 INFO L87 Difference]: Start difference. First operand 6116 states and 10502 transitions. Second operand has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:47,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:47,535 INFO L93 Difference]: Finished difference Result 10479 states and 18006 transitions. [2022-10-15 21:54:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:47,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2022-10-15 21:54:47,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:47,594 INFO L225 Difference]: With dead ends: 10479 [2022-10-15 21:54:47,595 INFO L226 Difference]: Without dead ends: 10476 [2022-10-15 21:54:47,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:47,601 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 1112 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:47,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1589 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:54:47,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10476 states. [2022-10-15 21:54:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10476 to 10432. [2022-10-15 21:54:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10432 states, 10382 states have (on average 1.726642265459449) internal successors, (17926), 10431 states have internal predecessors, (17926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:48,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10432 states to 10432 states and 17926 transitions. [2022-10-15 21:54:48,245 INFO L78 Accepts]: Start accepts. Automaton has 10432 states and 17926 transitions. Word has length 228 [2022-10-15 21:54:48,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:48,246 INFO L495 AbstractCegarLoop]: Abstraction has 10432 states and 17926 transitions. [2022-10-15 21:54:48,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 10432 states and 17926 transitions. [2022-10-15 21:54:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-15 21:54:48,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:48,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:48,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:54:48,260 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:48,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:48,261 INFO L85 PathProgramCache]: Analyzing trace with hash 642547633, now seen corresponding path program 1 times [2022-10-15 21:54:48,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:48,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716262327] [2022-10-15 21:54:48,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:48,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:48,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:48,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716262327] [2022-10-15 21:54:48,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716262327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:48,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:48,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:54:48,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373335079] [2022-10-15 21:54:48,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:48,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:48,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:48,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:48,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:48,710 INFO L87 Difference]: Start difference. First operand 10432 states and 17926 transitions. Second operand has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:49,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:49,236 INFO L93 Difference]: Finished difference Result 10479 states and 17926 transitions. [2022-10-15 21:54:49,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:49,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2022-10-15 21:54:49,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:49,269 INFO L225 Difference]: With dead ends: 10479 [2022-10-15 21:54:49,270 INFO L226 Difference]: Without dead ends: 10476 [2022-10-15 21:54:49,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:49,277 INFO L413 NwaCegarLoop]: 1282 mSDtfsCounter, 1108 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:49,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 1592 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:54:49,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10476 states. [2022-10-15 21:54:49,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10476 to 10432. [2022-10-15 21:54:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10432 states, 10382 states have (on average 1.7189366210749375) internal successors, (17846), 10431 states have internal predecessors, (17846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10432 states to 10432 states and 17846 transitions. [2022-10-15 21:54:49,832 INFO L78 Accepts]: Start accepts. Automaton has 10432 states and 17846 transitions. Word has length 229 [2022-10-15 21:54:49,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:49,832 INFO L495 AbstractCegarLoop]: Abstraction has 10432 states and 17846 transitions. [2022-10-15 21:54:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 10432 states and 17846 transitions. [2022-10-15 21:54:49,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-10-15 21:54:49,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:49,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:49,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:54:49,842 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:49,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:49,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1555856260, now seen corresponding path program 1 times [2022-10-15 21:54:49,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:49,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511252518] [2022-10-15 21:54:49,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:49,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:50,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:50,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:50,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511252518] [2022-10-15 21:54:50,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511252518] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:50,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:50,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:54:50,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101973335] [2022-10-15 21:54:50,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:50,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:50,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:50,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:50,331 INFO L87 Difference]: Start difference. First operand 10432 states and 17846 transitions. Second operand has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:50,948 INFO L93 Difference]: Finished difference Result 13337 states and 22726 transitions. [2022-10-15 21:54:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:50,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2022-10-15 21:54:50,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:50,987 INFO L225 Difference]: With dead ends: 13337 [2022-10-15 21:54:50,987 INFO L226 Difference]: Without dead ends: 13334 [2022-10-15 21:54:50,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:50,992 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 1103 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:50,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 1581 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:54:51,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13334 states. [2022-10-15 21:54:51,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13334 to 13296. [2022-10-15 21:54:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13296 states, 13246 states have (on average 1.7096481956817153) internal successors, (22646), 13295 states have internal predecessors, (22646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13296 states to 13296 states and 22646 transitions. [2022-10-15 21:54:51,794 INFO L78 Accepts]: Start accepts. Automaton has 13296 states and 22646 transitions. Word has length 230 [2022-10-15 21:54:51,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:51,798 INFO L495 AbstractCegarLoop]: Abstraction has 13296 states and 22646 transitions. [2022-10-15 21:54:51,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 13296 states and 22646 transitions. [2022-10-15 21:54:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-15 21:54:51,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:51,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:51,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:54:51,818 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:51,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:51,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1498072603, now seen corresponding path program 1 times [2022-10-15 21:54:51,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:51,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376725198] [2022-10-15 21:54:51,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:51,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:52,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:52,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376725198] [2022-10-15 21:54:52,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376725198] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:52,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:52,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:54:52,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633740862] [2022-10-15 21:54:52,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:52,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:52,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:52,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:52,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:52,056 INFO L87 Difference]: Start difference. First operand 13296 states and 22646 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:52,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:52,686 INFO L93 Difference]: Finished difference Result 27462 states and 47017 transitions. [2022-10-15 21:54:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:52,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-10-15 21:54:52,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:52,743 INFO L225 Difference]: With dead ends: 27462 [2022-10-15 21:54:52,744 INFO L226 Difference]: Without dead ends: 19840 [2022-10-15 21:54:52,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:52,760 INFO L413 NwaCegarLoop]: 1632 mSDtfsCounter, 352 mSDsluCounter, 1307 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:52,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 2939 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:54:52,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19840 states. [2022-10-15 21:54:53,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19840 to 19790. [2022-10-15 21:54:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19790 states, 19740 states have (on average 1.7159067882472139) internal successors, (33872), 19789 states have internal predecessors, (33872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19790 states to 19790 states and 33872 transitions. [2022-10-15 21:54:53,713 INFO L78 Accepts]: Start accepts. Automaton has 19790 states and 33872 transitions. Word has length 231 [2022-10-15 21:54:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:53,714 INFO L495 AbstractCegarLoop]: Abstraction has 19790 states and 33872 transitions. [2022-10-15 21:54:53,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 19790 states and 33872 transitions. [2022-10-15 21:54:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-15 21:54:53,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:53,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:53,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:54:53,721 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:53,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:53,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1542026593, now seen corresponding path program 1 times [2022-10-15 21:54:53,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:53,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122882721] [2022-10-15 21:54:53,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:53,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:54,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:54,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122882721] [2022-10-15 21:54:54,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122882721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:54,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:54,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:54:54,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624112509] [2022-10-15 21:54:54,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:54,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:54,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:54,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:54,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:54,069 INFO L87 Difference]: Start difference. First operand 19790 states and 33872 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:54,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:54,865 INFO L93 Difference]: Finished difference Result 39462 states and 67513 transitions. [2022-10-15 21:54:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:54,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-10-15 21:54:54,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:54,972 INFO L225 Difference]: With dead ends: 39462 [2022-10-15 21:54:54,972 INFO L226 Difference]: Without dead ends: 28824 [2022-10-15 21:54:54,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:54,999 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 344 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:55,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 2956 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:54:55,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28824 states. [2022-10-15 21:54:56,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28824 to 28774. [2022-10-15 21:54:56,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28774 states, 28724 states have (on average 1.7150814649770227) internal successors, (49264), 28773 states have internal predecessors, (49264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28774 states to 28774 states and 49264 transitions. [2022-10-15 21:54:56,203 INFO L78 Accepts]: Start accepts. Automaton has 28774 states and 49264 transitions. Word has length 231 [2022-10-15 21:54:56,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:56,204 INFO L495 AbstractCegarLoop]: Abstraction has 28774 states and 49264 transitions. [2022-10-15 21:54:56,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 28774 states and 49264 transitions. [2022-10-15 21:54:56,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-15 21:54:56,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:56,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:56,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:54:56,211 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:56,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash -986900205, now seen corresponding path program 1 times [2022-10-15 21:54:56,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:56,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435993037] [2022-10-15 21:54:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:56,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:56,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435993037] [2022-10-15 21:54:56,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435993037] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:56,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:56,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:54:56,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972030648] [2022-10-15 21:54:56,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:56,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:56,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:56,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:56,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:56,787 INFO L87 Difference]: Start difference. First operand 28774 states and 49264 transitions. Second operand has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:57,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:54:57,770 INFO L93 Difference]: Finished difference Result 28815 states and 49264 transitions. [2022-10-15 21:54:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:54:57,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2022-10-15 21:54:57,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:54:57,871 INFO L225 Difference]: With dead ends: 28815 [2022-10-15 21:54:57,872 INFO L226 Difference]: Without dead ends: 28812 [2022-10-15 21:54:57,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:57,885 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 1099 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:54:57,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1584 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:54:57,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28812 states. [2022-10-15 21:54:59,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28812 to 28774. [2022-10-15 21:54:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28774 states, 28724 states have (on average 1.708397159170032) internal successors, (49072), 28773 states have internal predecessors, (49072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28774 states to 28774 states and 49072 transitions. [2022-10-15 21:54:59,302 INFO L78 Accepts]: Start accepts. Automaton has 28774 states and 49072 transitions. Word has length 231 [2022-10-15 21:54:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:54:59,303 INFO L495 AbstractCegarLoop]: Abstraction has 28774 states and 49072 transitions. [2022-10-15 21:54:59,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:54:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 28774 states and 49072 transitions. [2022-10-15 21:54:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-15 21:54:59,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:54:59,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:54:59,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:54:59,309 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:54:59,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:54:59,310 INFO L85 PathProgramCache]: Analyzing trace with hash -529131682, now seen corresponding path program 1 times [2022-10-15 21:54:59,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:54:59,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997974876] [2022-10-15 21:54:59,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:54:59,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:54:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:54:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:54:59,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:54:59,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997974876] [2022-10-15 21:54:59,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997974876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:54:59,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:54:59,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:54:59,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899038904] [2022-10-15 21:54:59,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:54:59,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:54:59,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:54:59,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:54:59,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:54:59,906 INFO L87 Difference]: Start difference. First operand 28774 states and 49072 transitions. Second operand has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:00,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:00,970 INFO L93 Difference]: Finished difference Result 34869 states and 59248 transitions. [2022-10-15 21:55:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:00,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2022-10-15 21:55:00,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:01,110 INFO L225 Difference]: With dead ends: 34869 [2022-10-15 21:55:01,111 INFO L226 Difference]: Without dead ends: 34866 [2022-10-15 21:55:01,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:01,129 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 1094 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:01,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 1573 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:55:01,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34866 states. [2022-10-15 21:55:02,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34866 to 34834. [2022-10-15 21:55:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34834 states, 34784 states have (on average 1.6977920883164674) internal successors, (59056), 34833 states have internal predecessors, (59056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34834 states to 34834 states and 59056 transitions. [2022-10-15 21:55:02,788 INFO L78 Accepts]: Start accepts. Automaton has 34834 states and 59056 transitions. Word has length 232 [2022-10-15 21:55:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:02,789 INFO L495 AbstractCegarLoop]: Abstraction has 34834 states and 59056 transitions. [2022-10-15 21:55:02,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 34834 states and 59056 transitions. [2022-10-15 21:55:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-10-15 21:55:02,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:02,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:02,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:55:02,797 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:55:02,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:02,798 INFO L85 PathProgramCache]: Analyzing trace with hash -648484097, now seen corresponding path program 1 times [2022-10-15 21:55:02,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:02,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182657583] [2022-10-15 21:55:02,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:02,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:03,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:03,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182657583] [2022-10-15 21:55:03,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182657583] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:03,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:03,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:03,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502268369] [2022-10-15 21:55:03,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:03,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:03,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:03,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:03,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:03,285 INFO L87 Difference]: Start difference. First operand 34834 states and 59056 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:05,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:05,004 INFO L93 Difference]: Finished difference Result 73054 states and 123965 transitions. [2022-10-15 21:55:05,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:05,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2022-10-15 21:55:05,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:05,189 INFO L225 Difference]: With dead ends: 73054 [2022-10-15 21:55:05,189 INFO L226 Difference]: Without dead ends: 52305 [2022-10-15 21:55:05,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:05,250 INFO L413 NwaCegarLoop]: 1624 mSDtfsCounter, 336 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:05,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 2933 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:05,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52305 states. [2022-10-15 21:55:07,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52305 to 52255. [2022-10-15 21:55:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52255 states, 52205 states have (on average 1.697040513360789) internal successors, (88594), 52254 states have internal predecessors, (88594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52255 states to 52255 states and 88594 transitions. [2022-10-15 21:55:07,633 INFO L78 Accepts]: Start accepts. Automaton has 52255 states and 88594 transitions. Word has length 233 [2022-10-15 21:55:07,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:07,634 INFO L495 AbstractCegarLoop]: Abstraction has 52255 states and 88594 transitions. [2022-10-15 21:55:07,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 52255 states and 88594 transitions. [2022-10-15 21:55:07,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-10-15 21:55:07,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:07,639 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:07,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:55:07,640 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:55:07,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:07,641 INFO L85 PathProgramCache]: Analyzing trace with hash 776790645, now seen corresponding path program 1 times [2022-10-15 21:55:07,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:07,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424032532] [2022-10-15 21:55:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:07,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:08,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:08,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424032532] [2022-10-15 21:55:08,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424032532] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:08,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:08,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:55:08,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476692496] [2022-10-15 21:55:08,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:08,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:08,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:08,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:08,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:08,092 INFO L87 Difference]: Start difference. First operand 52255 states and 88594 transitions. Second operand has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:09,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:09,455 INFO L93 Difference]: Finished difference Result 52290 states and 88594 transitions. [2022-10-15 21:55:09,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:09,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2022-10-15 21:55:09,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:09,552 INFO L225 Difference]: With dead ends: 52290 [2022-10-15 21:55:09,552 INFO L226 Difference]: Without dead ends: 52287 [2022-10-15 21:55:09,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:09,572 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 1090 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:09,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 1576 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:55:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52287 states. [2022-10-15 21:55:11,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52287 to 52255. [2022-10-15 21:55:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52255 states, 52205 states have (on average 1.6915238004022604) internal successors, (88306), 52254 states have internal predecessors, (88306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52255 states to 52255 states and 88306 transitions. [2022-10-15 21:55:11,529 INFO L78 Accepts]: Start accepts. Automaton has 52255 states and 88306 transitions. Word has length 233 [2022-10-15 21:55:11,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:11,530 INFO L495 AbstractCegarLoop]: Abstraction has 52255 states and 88306 transitions. [2022-10-15 21:55:11,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:11,530 INFO L276 IsEmpty]: Start isEmpty. Operand 52255 states and 88306 transitions. [2022-10-15 21:55:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-15 21:55:11,533 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:11,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:11,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:55:11,534 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:55:11,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:11,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1689290176, now seen corresponding path program 1 times [2022-10-15 21:55:11,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:11,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212196727] [2022-10-15 21:55:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:11,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:12,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:12,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212196727] [2022-10-15 21:55:12,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212196727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:12,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:12,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:55:12,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279681999] [2022-10-15 21:55:12,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:12,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:12,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:12,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:12,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:12,249 INFO L87 Difference]: Start difference. First operand 52255 states and 88306 transitions. Second operand has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:14,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:14,277 INFO L93 Difference]: Finished difference Result 82200 states and 136686 transitions. [2022-10-15 21:55:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:14,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-10-15 21:55:14,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:14,561 INFO L225 Difference]: With dead ends: 82200 [2022-10-15 21:55:14,561 INFO L226 Difference]: Without dead ends: 82197 [2022-10-15 21:55:14,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:14,583 INFO L413 NwaCegarLoop]: 1262 mSDtfsCounter, 1103 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:14,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 1507 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:55:14,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82197 states. [2022-10-15 21:55:17,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82197 to 82191. [2022-10-15 21:55:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82191 states, 82143 states have (on average 1.6531901683649246) internal successors, (135798), 82190 states have internal predecessors, (135798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82191 states to 82191 states and 135798 transitions. [2022-10-15 21:55:17,667 INFO L78 Accepts]: Start accepts. Automaton has 82191 states and 135798 transitions. Word has length 234 [2022-10-15 21:55:17,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:55:17,668 INFO L495 AbstractCegarLoop]: Abstraction has 82191 states and 135798 transitions. [2022-10-15 21:55:17,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 82191 states and 135798 transitions. [2022-10-15 21:55:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-10-15 21:55:17,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:55:17,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:55:17,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:55:17,684 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-15 21:55:17,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:55:17,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1614774627, now seen corresponding path program 1 times [2022-10-15 21:55:17,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:55:17,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171121796] [2022-10-15 21:55:17,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:55:17,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:55:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:55:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:55:17,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:55:17,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171121796] [2022-10-15 21:55:17,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171121796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:55:17,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:55:17,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:55:17,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630150013] [2022-10-15 21:55:17,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:55:17,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:55:17,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:55:17,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:55:17,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:17,959 INFO L87 Difference]: Start difference. First operand 82191 states and 135798 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:55:21,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:55:21,555 INFO L93 Difference]: Finished difference Result 172260 states and 284423 transitions. [2022-10-15 21:55:21,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:55:21,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 235 [2022-10-15 21:55:21,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:55:22,011 INFO L225 Difference]: With dead ends: 172260 [2022-10-15 21:55:22,011 INFO L226 Difference]: Without dead ends: 122414 [2022-10-15 21:55:22,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:55:22,094 INFO L413 NwaCegarLoop]: 1596 mSDtfsCounter, 326 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 2904 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:55:22,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 2904 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:55:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122414 states.