/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:08:24,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:08:24,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:08:24,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:08:24,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:08:24,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:08:24,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:08:24,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:08:24,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:08:24,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:08:24,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:08:24,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:08:24,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:08:24,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:08:24,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:08:24,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:08:24,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:08:24,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:08:24,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:08:24,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:08:24,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:08:24,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:08:24,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:08:24,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:08:24,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:08:24,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:08:24,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:08:24,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:08:24,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:08:24,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:08:24,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:08:24,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:08:24,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:08:24,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:08:24,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:08:24,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:08:24,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:08:24,903 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:08:24,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:08:24,904 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:08:24,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:08:24,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:08:24,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:08:24,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:08:24,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:08:24,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:08:24,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:08:24,906 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:08:24,906 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:08:24,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:08:24,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:08:24,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:08:24,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:08:24,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:08:24,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:08:24,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:08:24,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:08:24,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:08:24,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:08:24,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:08:24,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:08:24,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:08:24,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:08:25,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:08:25,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:08:25,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:08:25,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:08:25,336 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:08:25,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:08:25,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13f1aea6/1f16bd210e13457fb1aafcb1d47f1f17/FLAGe2e0e8b77 [2022-10-15 22:08:26,375 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:08:26,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:08:26,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13f1aea6/1f16bd210e13457fb1aafcb1d47f1f17/FLAGe2e0e8b77 [2022-10-15 22:08:26,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13f1aea6/1f16bd210e13457fb1aafcb1d47f1f17 [2022-10-15 22:08:26,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:08:26,500 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:08:26,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:08:26,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:08:26,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:08:26,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ce2b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26, skipping insertion in model container [2022-10-15 22:08:26,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:08:26,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:08:27,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[50116,50129] [2022-10-15 22:08:28,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:08:28,098 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:08:28,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[50116,50129] [2022-10-15 22:08:28,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:08:28,951 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:08:28,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28 WrapperNode [2022-10-15 22:08:28,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:08:28,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:08:28,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:08:28,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:08:28,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,159 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5120 [2022-10-15 22:08:29,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:08:29,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:08:29,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:08:29,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:08:29,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:08:29,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:08:29,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:08:29,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:08:29,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (1/1) ... [2022-10-15 22:08:29,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:08:29,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:08:29,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:08:29,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:08:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:08:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:08:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:08:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:08:29,827 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:08:29,830 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:08:33,739 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:08:33,763 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:08:33,764 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:08:33,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:08:33 BoogieIcfgContainer [2022-10-15 22:08:33,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:08:33,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:08:33,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:08:33,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:08:33,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:08:26" (1/3) ... [2022-10-15 22:08:33,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb0f7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:08:33, skipping insertion in model container [2022-10-15 22:08:33,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:28" (2/3) ... [2022-10-15 22:08:33,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb0f7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:08:33, skipping insertion in model container [2022-10-15 22:08:33,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:08:33" (3/3) ... [2022-10-15 22:08:33,779 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-15 22:08:33,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:08:33,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 306 error locations. [2022-10-15 22:08:33,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:08:33,926 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;@47a8f181, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:08:33,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 306 error locations. [2022-10-15 22:08:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 1927 states, 1620 states have (on average 1.84320987654321) internal successors, (2986), 1926 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-10-15 22:08:33,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:33,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:33,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:33,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:34,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1510187042, now seen corresponding path program 1 times [2022-10-15 22:08:34,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:34,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776700575] [2022-10-15 22:08:34,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:34,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:35,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:35,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776700575] [2022-10-15 22:08:35,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776700575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:35,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:35,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:35,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086918031] [2022-10-15 22:08:35,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:35,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:35,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:35,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:35,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:35,513 INFO L87 Difference]: Start difference. First operand has 1927 states, 1620 states have (on average 1.84320987654321) internal successors, (2986), 1926 states have internal predecessors, (2986), 0 states have call successors, (0), 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 3 states, 2 states have (on average 110.0) 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 22:08:36,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:36,295 INFO L93 Difference]: Finished difference Result 2378 states and 3627 transitions. [2022-10-15 22:08:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:36,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 110.0) 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 22:08:36,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:36,333 INFO L225 Difference]: With dead ends: 2378 [2022-10-15 22:08:36,333 INFO L226 Difference]: Without dead ends: 2354 [2022-10-15 22:08:36,339 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 22:08:36,344 INFO L413 NwaCegarLoop]: 3263 mSDtfsCounter, 2743 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2743 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:36,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2743 Valid, 3785 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:08:36,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2022-10-15 22:08:36,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 2260. [2022-10-15 22:08:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2260 states, 1964 states have (on average 1.7219959266802445) internal successors, (3382), 2259 states have internal predecessors, (3382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 2260 states and 3382 transitions. [2022-10-15 22:08:36,548 INFO L78 Accepts]: Start accepts. Automaton has 2260 states and 3382 transitions. Word has length 220 [2022-10-15 22:08:36,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:36,553 INFO L495 AbstractCegarLoop]: Abstraction has 2260 states and 3382 transitions. [2022-10-15 22:08:36,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.0) 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 22:08:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 3382 transitions. [2022-10-15 22:08:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-15 22:08:36,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:36,562 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] [2022-10-15 22:08:36,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:08:36,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:36,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:36,564 INFO L85 PathProgramCache]: Analyzing trace with hash 428842761, now seen corresponding path program 1 times [2022-10-15 22:08:36,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:36,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064335430] [2022-10-15 22:08:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:36,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:37,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:37,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064335430] [2022-10-15 22:08:37,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064335430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:37,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:37,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:37,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981835889] [2022-10-15 22:08:37,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:37,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:37,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:37,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:37,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:37,078 INFO L87 Difference]: Start difference. First operand 2260 states and 3382 transitions. Second operand has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:37,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:37,629 INFO L93 Difference]: Finished difference Result 2359 states and 3382 transitions. [2022-10-15 22:08:37,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:37,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 221 [2022-10-15 22:08:37,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:37,648 INFO L225 Difference]: With dead ends: 2359 [2022-10-15 22:08:37,649 INFO L226 Difference]: Without dead ends: 2344 [2022-10-15 22:08:37,657 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 22:08:37,659 INFO L413 NwaCegarLoop]: 3064 mSDtfsCounter, 2527 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 3568 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:37,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 3568 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:37,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2022-10-15 22:08:37,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2250. [2022-10-15 22:08:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2250 states, 1964 states have (on average 1.714358452138493) internal successors, (3367), 2249 states have internal predecessors, (3367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:37,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 2250 states and 3367 transitions. [2022-10-15 22:08:37,832 INFO L78 Accepts]: Start accepts. Automaton has 2250 states and 3367 transitions. Word has length 221 [2022-10-15 22:08:37,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:37,835 INFO L495 AbstractCegarLoop]: Abstraction has 2250 states and 3367 transitions. [2022-10-15 22:08:37,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 3367 transitions. [2022-10-15 22:08:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-10-15 22:08:37,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:37,840 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] [2022-10-15 22:08:37,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:08:37,840 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:37,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:37,842 INFO L85 PathProgramCache]: Analyzing trace with hash 409224512, now seen corresponding path program 1 times [2022-10-15 22:08:37,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:37,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050901930] [2022-10-15 22:08:37,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:37,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:38,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:38,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050901930] [2022-10-15 22:08:38,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050901930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:38,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:38,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:38,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231274667] [2022-10-15 22:08:38,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:38,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:38,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:38,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:38,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:38,398 INFO L87 Difference]: Start difference. First operand 2250 states and 3367 transitions. Second operand has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:39,050 INFO L93 Difference]: Finished difference Result 2590 states and 3808 transitions. [2022-10-15 22:08:39,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:39,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 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 222 [2022-10-15 22:08:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:39,067 INFO L225 Difference]: With dead ends: 2590 [2022-10-15 22:08:39,068 INFO L226 Difference]: Without dead ends: 2575 [2022-10-15 22:08:39,073 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 22:08:39,080 INFO L413 NwaCegarLoop]: 3027 mSDtfsCounter, 2505 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2505 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:39,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2505 Valid, 3519 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2575 states. [2022-10-15 22:08:39,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2575 to 2491. [2022-10-15 22:08:39,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 2215 states have (on average 1.7124153498871333) internal successors, (3793), 2490 states have internal predecessors, (3793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 3793 transitions. [2022-10-15 22:08:39,326 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 3793 transitions. Word has length 222 [2022-10-15 22:08:39,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:39,328 INFO L495 AbstractCegarLoop]: Abstraction has 2491 states and 3793 transitions. [2022-10-15 22:08:39,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3793 transitions. [2022-10-15 22:08:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-15 22:08:39,337 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:39,337 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] [2022-10-15 22:08:39,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:08:39,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:39,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:39,343 INFO L85 PathProgramCache]: Analyzing trace with hash -198941205, now seen corresponding path program 1 times [2022-10-15 22:08:39,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:39,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568825477] [2022-10-15 22:08:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:39,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:39,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568825477] [2022-10-15 22:08:39,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568825477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:39,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:39,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:39,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976006062] [2022-10-15 22:08:39,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:39,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:39,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:39,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:39,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:39,897 INFO L87 Difference]: Start difference. First operand 2491 states and 3793 transitions. Second operand has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:40,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:40,491 INFO L93 Difference]: Finished difference Result 2580 states and 3793 transitions. [2022-10-15 22:08:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:40,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2022-10-15 22:08:40,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:40,505 INFO L225 Difference]: With dead ends: 2580 [2022-10-15 22:08:40,506 INFO L226 Difference]: Without dead ends: 2565 [2022-10-15 22:08:40,510 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 22:08:40,518 INFO L413 NwaCegarLoop]: 3027 mSDtfsCounter, 2494 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2494 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:40,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2494 Valid, 3519 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:40,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2022-10-15 22:08:40,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2481. [2022-10-15 22:08:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2481 states, 2215 states have (on average 1.7056433408577878) internal successors, (3778), 2480 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 3778 transitions. [2022-10-15 22:08:40,702 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 3778 transitions. Word has length 223 [2022-10-15 22:08:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:40,703 INFO L495 AbstractCegarLoop]: Abstraction has 2481 states and 3778 transitions. [2022-10-15 22:08:40,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 3778 transitions. [2022-10-15 22:08:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-10-15 22:08:40,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:40,708 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 22:08:40,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:08:40,709 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:40,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:40,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1872209246, now seen corresponding path program 1 times [2022-10-15 22:08:40,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:40,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888527486] [2022-10-15 22:08:40,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:40,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:41,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:41,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888527486] [2022-10-15 22:08:41,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888527486] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:41,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:41,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:41,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769202533] [2022-10-15 22:08:41,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:41,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:41,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:41,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:41,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:41,219 INFO L87 Difference]: Start difference. First operand 2481 states and 3778 transitions. Second operand has 3 states, 2 states have (on average 112.0) 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 22:08:41,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:41,850 INFO L93 Difference]: Finished difference Result 2811 states and 4213 transitions. [2022-10-15 22:08:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:41,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.0) 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 22:08:41,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:41,869 INFO L225 Difference]: With dead ends: 2811 [2022-10-15 22:08:41,869 INFO L226 Difference]: Without dead ends: 2796 [2022-10-15 22:08:41,872 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 22:08:41,873 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 2472 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:41,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 3470 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:41,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2022-10-15 22:08:42,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2722. [2022-10-15 22:08:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2466 states have (on average 1.70235198702352) internal successors, (4198), 2721 states have internal predecessors, (4198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 4198 transitions. [2022-10-15 22:08:42,147 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 4198 transitions. Word has length 224 [2022-10-15 22:08:42,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:42,148 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 4198 transitions. [2022-10-15 22:08:42,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.0) 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 22:08:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 4198 transitions. [2022-10-15 22:08:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-15 22:08:42,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:42,154 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] [2022-10-15 22:08:42,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:08:42,154 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:42,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:42,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2091056333, now seen corresponding path program 1 times [2022-10-15 22:08:42,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:42,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574289147] [2022-10-15 22:08:42,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:42,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:42,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:42,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574289147] [2022-10-15 22:08:42,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574289147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:42,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:42,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:42,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607056552] [2022-10-15 22:08:42,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:42,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:42,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:42,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:42,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:42,609 INFO L87 Difference]: Start difference. First operand 2722 states and 4198 transitions. Second operand has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:43,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:43,282 INFO L93 Difference]: Finished difference Result 2801 states and 4198 transitions. [2022-10-15 22:08:43,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:43,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-10-15 22:08:43,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:43,302 INFO L225 Difference]: With dead ends: 2801 [2022-10-15 22:08:43,302 INFO L226 Difference]: Without dead ends: 2786 [2022-10-15 22:08:43,307 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 22:08:43,310 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 2461 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2461 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:43,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2461 Valid, 3470 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2022-10-15 22:08:43,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2712. [2022-10-15 22:08:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2466 states have (on average 1.6962692619626927) internal successors, (4183), 2711 states have internal predecessors, (4183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 4183 transitions. [2022-10-15 22:08:43,559 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 4183 transitions. Word has length 225 [2022-10-15 22:08:43,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:43,564 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 4183 transitions. [2022-10-15 22:08:43,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 4183 transitions. [2022-10-15 22:08:43,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-15 22:08:43,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:43,569 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] [2022-10-15 22:08:43,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:08:43,569 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:43,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:43,570 INFO L85 PathProgramCache]: Analyzing trace with hash 398237700, now seen corresponding path program 1 times [2022-10-15 22:08:43,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:43,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236805525] [2022-10-15 22:08:43,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:43,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:44,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:44,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236805525] [2022-10-15 22:08:44,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236805525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:44,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:44,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:44,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035466411] [2022-10-15 22:08:44,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:44,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:44,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:44,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:44,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:44,138 INFO L87 Difference]: Start difference. First operand 2712 states and 4183 transitions. Second operand has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:44,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:44,800 INFO L93 Difference]: Finished difference Result 3524 states and 5519 transitions. [2022-10-15 22:08:44,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:44,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 226 [2022-10-15 22:08:44,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:44,823 INFO L225 Difference]: With dead ends: 3524 [2022-10-15 22:08:44,823 INFO L226 Difference]: Without dead ends: 3509 [2022-10-15 22:08:44,828 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 22:08:44,830 INFO L413 NwaCegarLoop]: 2443 mSDtfsCounter, 2466 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:44,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 2846 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:08:44,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3509 states. [2022-10-15 22:08:45,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3509 to 3483. [2022-10-15 22:08:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3483 states, 3250 states have (on average 1.6904615384615385) internal successors, (5494), 3482 states have internal predecessors, (5494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:45,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 3483 states and 5494 transitions. [2022-10-15 22:08:45,253 INFO L78 Accepts]: Start accepts. Automaton has 3483 states and 5494 transitions. Word has length 226 [2022-10-15 22:08:45,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:45,254 INFO L495 AbstractCegarLoop]: Abstraction has 3483 states and 5494 transitions. [2022-10-15 22:08:45,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3483 states and 5494 transitions. [2022-10-15 22:08:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-10-15 22:08:45,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:45,259 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] [2022-10-15 22:08:45,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:08:45,260 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:45,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:45,260 INFO L85 PathProgramCache]: Analyzing trace with hash -539532369, now seen corresponding path program 1 times [2022-10-15 22:08:45,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:45,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715927210] [2022-10-15 22:08:45,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:45,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:45,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:45,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:45,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715927210] [2022-10-15 22:08:45,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715927210] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:45,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:45,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:45,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587568435] [2022-10-15 22:08:45,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:45,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:45,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:45,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:45,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:45,753 INFO L87 Difference]: Start difference. First operand 3483 states and 5494 transitions. Second operand has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:46,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:46,684 INFO L93 Difference]: Finished difference Result 4863 states and 7737 transitions. [2022-10-15 22:08:46,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:46,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 227 [2022-10-15 22:08:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:46,748 INFO L225 Difference]: With dead ends: 4863 [2022-10-15 22:08:46,748 INFO L226 Difference]: Without dead ends: 4848 [2022-10-15 22:08:46,752 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 22:08:46,753 INFO L413 NwaCegarLoop]: 2930 mSDtfsCounter, 2442 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2442 SdHoareTripleChecker+Valid, 3379 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:46,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2442 Valid, 3379 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:46,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2022-10-15 22:08:47,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4774. [2022-10-15 22:08:47,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4774 states, 4551 states have (on average 1.6939134256207427) internal successors, (7709), 4773 states have internal predecessors, (7709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4774 states to 4774 states and 7709 transitions. [2022-10-15 22:08:47,321 INFO L78 Accepts]: Start accepts. Automaton has 4774 states and 7709 transitions. Word has length 227 [2022-10-15 22:08:47,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:47,321 INFO L495 AbstractCegarLoop]: Abstraction has 4774 states and 7709 transitions. [2022-10-15 22:08:47,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 4774 states and 7709 transitions. [2022-10-15 22:08:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-15 22:08:47,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:47,326 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 22:08:47,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:08:47,327 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:47,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:47,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1200462513, now seen corresponding path program 1 times [2022-10-15 22:08:47,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:47,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809907569] [2022-10-15 22:08:47,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:47,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:47,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:47,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809907569] [2022-10-15 22:08:47,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809907569] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:47,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:47,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:47,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56773776] [2022-10-15 22:08:47,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:47,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:47,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:47,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:47,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:47,660 INFO L87 Difference]: Start difference. First operand 4774 states and 7709 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 22:08:48,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:48,664 INFO L93 Difference]: Finished difference Result 7431 states and 12189 transitions. [2022-10-15 22:08:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:48,665 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 22:08:48,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:48,699 INFO L225 Difference]: With dead ends: 7431 [2022-10-15 22:08:48,699 INFO L226 Difference]: Without dead ends: 7425 [2022-10-15 22:08:48,703 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 22:08:48,704 INFO L413 NwaCegarLoop]: 2369 mSDtfsCounter, 2348 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 2775 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:48,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 2775 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:08:48,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7425 states. [2022-10-15 22:08:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7425 to 7393. [2022-10-15 22:08:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7393 states, 7175 states have (on average 1.6936585365853658) internal successors, (12152), 7392 states have internal predecessors, (12152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7393 states to 7393 states and 12152 transitions. [2022-10-15 22:08:49,556 INFO L78 Accepts]: Start accepts. Automaton has 7393 states and 12152 transitions. Word has length 229 [2022-10-15 22:08:49,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:49,557 INFO L495 AbstractCegarLoop]: Abstraction has 7393 states and 12152 transitions. [2022-10-15 22:08:49,557 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 22:08:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 7393 states and 12152 transitions. [2022-10-15 22:08:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-10-15 22:08:49,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:49,562 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 22:08:49,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:08:49,563 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:49,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:49,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1440366935, now seen corresponding path program 1 times [2022-10-15 22:08:49,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:49,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119192686] [2022-10-15 22:08:49,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:49,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:49,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:49,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119192686] [2022-10-15 22:08:49,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119192686] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:49,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:49,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:49,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580879823] [2022-10-15 22:08:49,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:49,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:49,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:49,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:49,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:49,856 INFO L87 Difference]: Start difference. First operand 7393 states and 12152 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 22:08:51,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:51,672 INFO L93 Difference]: Finished difference Result 12968 states and 21572 transitions. [2022-10-15 22:08:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:51,672 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 22:08:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:51,712 INFO L225 Difference]: With dead ends: 12968 [2022-10-15 22:08:51,712 INFO L226 Difference]: Without dead ends: 12962 [2022-10-15 22:08:51,717 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 22:08:51,718 INFO L413 NwaCegarLoop]: 2846 mSDtfsCounter, 2282 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2282 SdHoareTripleChecker+Valid, 3308 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:51,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2282 Valid, 3308 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:51,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12962 states. [2022-10-15 22:08:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12962 to 12892. [2022-10-15 22:08:52,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12892 states, 12679 states have (on average 1.6978468333464785) internal successors, (21527), 12891 states have internal predecessors, (21527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12892 states to 12892 states and 21527 transitions. [2022-10-15 22:08:52,796 INFO L78 Accepts]: Start accepts. Automaton has 12892 states and 21527 transitions. Word has length 230 [2022-10-15 22:08:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:52,797 INFO L495 AbstractCegarLoop]: Abstraction has 12892 states and 21527 transitions. [2022-10-15 22:08:52,797 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 22:08:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 12892 states and 21527 transitions. [2022-10-15 22:08:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-15 22:08:52,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:52,803 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 22:08:52,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:08:52,804 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:52,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:52,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1213128693, now seen corresponding path program 1 times [2022-10-15 22:08:52,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:52,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616001794] [2022-10-15 22:08:52,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:52,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:53,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:53,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616001794] [2022-10-15 22:08:53,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616001794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:53,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:53,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:53,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073144509] [2022-10-15 22:08:53,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:53,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:53,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:53,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:53,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:53,160 INFO L87 Difference]: Start difference. First operand 12892 states and 21527 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 22:08:55,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:55,529 INFO L93 Difference]: Finished difference Result 23239 states and 39047 transitions. [2022-10-15 22:08:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:55,530 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 22:08:55,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:55,606 INFO L225 Difference]: With dead ends: 23239 [2022-10-15 22:08:55,607 INFO L226 Difference]: Without dead ends: 23232 [2022-10-15 22:08:55,617 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 22:08:55,618 INFO L413 NwaCegarLoop]: 2336 mSDtfsCounter, 2447 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2447 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:55,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2447 Valid, 2659 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:08:55,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23232 states. [2022-10-15 22:08:57,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23232 to 23161. [2022-10-15 22:08:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23161 states, 22954 states have (on average 1.695826435479655) internal successors, (38926), 23160 states have internal predecessors, (38926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23161 states to 23161 states and 38926 transitions. [2022-10-15 22:08:57,500 INFO L78 Accepts]: Start accepts. Automaton has 23161 states and 38926 transitions. Word has length 232 [2022-10-15 22:08:57,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:57,501 INFO L495 AbstractCegarLoop]: Abstraction has 23161 states and 38926 transitions. [2022-10-15 22:08:57,501 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 22:08:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 23161 states and 38926 transitions. [2022-10-15 22:08:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-10-15 22:08:57,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:57,504 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 22:08:57,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:08:57,505 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:08:57,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1047717014, now seen corresponding path program 1 times [2022-10-15 22:08:57,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:57,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606300270] [2022-10-15 22:08:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:57,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:57,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:57,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606300270] [2022-10-15 22:08:57,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606300270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:57,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:57,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:57,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310027420] [2022-10-15 22:08:57,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:57,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:57,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:57,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:57,809 INFO L87 Difference]: Start difference. First operand 23161 states and 38926 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 22:09:02,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:02,338 INFO L93 Difference]: Finished difference Result 44303 states and 74768 transitions. [2022-10-15 22:09:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:02,339 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 22:09:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:02,460 INFO L225 Difference]: With dead ends: 44303 [2022-10-15 22:09:02,460 INFO L226 Difference]: Without dead ends: 44296 [2022-10-15 22:09:02,476 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 22:09:02,478 INFO L413 NwaCegarLoop]: 2337 mSDtfsCounter, 2439 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 2686 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:02,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 2686 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:02,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44296 states. [2022-10-15 22:09:06,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44296 to 44189. [2022-10-15 22:09:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44189 states, 43988 states have (on average 1.6966218059470766) internal successors, (74631), 44188 states have internal predecessors, (74631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44189 states to 44189 states and 74631 transitions. [2022-10-15 22:09:07,080 INFO L78 Accepts]: Start accepts. Automaton has 44189 states and 74631 transitions. Word has length 233 [2022-10-15 22:09:07,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:07,081 INFO L495 AbstractCegarLoop]: Abstraction has 44189 states and 74631 transitions. [2022-10-15 22:09:07,081 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 22:09:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 44189 states and 74631 transitions. [2022-10-15 22:09:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-10-15 22:09:07,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:07,084 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 22:09:07,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:09:07,085 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-15 22:09:07,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:07,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1833729944, now seen corresponding path program 1 times [2022-10-15 22:09:07,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:07,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621614588] [2022-10-15 22:09:07,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:07,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:07,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:07,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621614588] [2022-10-15 22:09:07,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621614588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:07,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:07,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:07,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396171752] [2022-10-15 22:09:07,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:07,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:07,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:07,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:07,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:07,744 INFO L87 Difference]: Start difference. First operand 44189 states and 74631 transitions. Second operand has 3 states, 2 states have (on average 117.5) 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 22:09:15,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:15,302 INFO L93 Difference]: Finished difference Result 84367 states and 142673 transitions. [2022-10-15 22:09:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:15,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.5) 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 22:09:15,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:15,554 INFO L225 Difference]: With dead ends: 84367 [2022-10-15 22:09:15,555 INFO L226 Difference]: Without dead ends: 84360 [2022-10-15 22:09:15,587 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 22:09:15,588 INFO L413 NwaCegarLoop]: 2396 mSDtfsCounter, 2432 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 2729 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:15,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2432 Valid, 2729 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:15,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84360 states.