/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_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:23:23,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:23:23,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:23:23,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:23:23,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:23:23,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:23:23,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:23:23,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:23:23,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:23:23,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:23:23,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:23:23,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:23:23,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:23:23,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:23:23,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:23:23,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:23:23,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:23:23,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:23:23,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:23:23,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:23:23,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:23:23,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:23:23,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:23:23,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:23:23,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:23:23,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:23:23,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:23:23,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:23:23,303 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 22:23:23,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:23:23,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:23:23,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:23:23,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:23:23,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:23:23,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:23:23,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:23:23,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:23:23,338 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:23:23,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:23:23,338 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:23:23,338 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:23:23,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:23:23,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:23:23,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:23:23,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:23:23,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:23:23,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:23:23,340 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:23:23,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:23:23,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:23:23,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:23:23,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:23:23,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:23:23,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:23:23,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:23:23,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:23:23,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:23:23,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:23:23,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:23:23,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:23:23,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:23:23,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:23:23,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:23:23,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:23:23,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:23:23,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:23:23,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:23:23,769 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:23:23,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:23:23,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d40945299/e0226e34fda14540a4ecefd35dba85b1/FLAGc382830bf [2022-10-15 22:23:24,602 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:23:24,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:23:24,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d40945299/e0226e34fda14540a4ecefd35dba85b1/FLAGc382830bf [2022-10-15 22:23:24,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d40945299/e0226e34fda14540a4ecefd35dba85b1 [2022-10-15 22:23:24,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:23:24,855 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:23:24,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:23:24,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:23:24,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:23:24,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:23:24" (1/1) ... [2022-10-15 22:23:24,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c5d2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:24, skipping insertion in model container [2022-10-15 22:23:24,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:23:24" (1/1) ... [2022-10-15 22:23:24,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:23:24,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:23:25,274 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_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[13674,13687] [2022-10-15 22:23:25,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:23:25,448 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:23:25,667 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_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[13674,13687] [2022-10-15 22:23:25,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:23:25,868 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:23:25,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25 WrapperNode [2022-10-15 22:23:25,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:23:25,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:23:25,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:23:25,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:23:25,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:25,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,001 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1412 [2022-10-15 22:23:26,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:23:26,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:23:26,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:23:26,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:23:26,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:23:26,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:23:26,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:23:26,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:23:26,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (1/1) ... [2022-10-15 22:23:26,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:23:26,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:23:26,145 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 22:23:26,165 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 22:23:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:23:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:23:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:23:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:23:26,498 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:23:26,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:23:27,824 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:23:27,837 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:23:27,837 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:23:27,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:23:27 BoogieIcfgContainer [2022-10-15 22:23:27,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:23:27,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:23:27,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:23:27,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:23:27,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:23:24" (1/3) ... [2022-10-15 22:23:27,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af0fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:23:27, skipping insertion in model container [2022-10-15 22:23:27,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:23:25" (2/3) ... [2022-10-15 22:23:27,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af0fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:23:27, skipping insertion in model container [2022-10-15 22:23:27,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:23:27" (3/3) ... [2022-10-15 22:23:27,852 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2022-10-15 22:23:27,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:23:27,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-15 22:23:27,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:23:27,967 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;@39a39aff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:23:27,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-15 22:23:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 436 states, 387 states have (on average 1.821705426356589) internal successors, (705), 435 states have internal predecessors, (705), 0 states have call successors, (0), 0 states 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 22:23:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 22:23:28,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:28,008 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] [2022-10-15 22:23:28,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:28,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:28,026 INFO L85 PathProgramCache]: Analyzing trace with hash -840164483, now seen corresponding path program 1 times [2022-10-15 22:23:28,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:28,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824269772] [2022-10-15 22:23:28,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:28,811 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 22:23:28,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:28,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824269772] [2022-10-15 22:23:28,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824269772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:28,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:28,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:28,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063377727] [2022-10-15 22:23:28,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:28,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:28,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:28,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:28,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:28,862 INFO L87 Difference]: Start difference. First operand has 436 states, 387 states have (on average 1.821705426356589) internal successors, (705), 435 states have internal predecessors, (705), 0 states have call successors, (0), 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, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states 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 22:23:29,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:29,036 INFO L93 Difference]: Finished difference Result 888 states and 1340 transitions. [2022-10-15 22:23:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:29,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-10-15 22:23:29,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:29,073 INFO L225 Difference]: With dead ends: 888 [2022-10-15 22:23:29,073 INFO L226 Difference]: Without dead ends: 639 [2022-10-15 22:23:29,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:29,086 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 327 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:29,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1636 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2022-10-15 22:23:29,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 593. [2022-10-15 22:23:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 545 states have (on average 1.7229357798165137) internal successors, (939), 592 states have internal predecessors, (939), 0 states have call successors, (0), 0 states 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 22:23:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 939 transitions. [2022-10-15 22:23:29,200 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 939 transitions. Word has length 100 [2022-10-15 22:23:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:29,202 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 939 transitions. [2022-10-15 22:23:29,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states 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 22:23:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 939 transitions. [2022-10-15 22:23:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 22:23:29,211 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:29,212 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] [2022-10-15 22:23:29,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:23:29,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:29,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:29,214 INFO L85 PathProgramCache]: Analyzing trace with hash -892951534, now seen corresponding path program 1 times [2022-10-15 22:23:29,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:29,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516233986] [2022-10-15 22:23:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:29,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:29,577 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 22:23:29,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:29,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516233986] [2022-10-15 22:23:29,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516233986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:29,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:29,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:29,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417820693] [2022-10-15 22:23:29,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:29,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:29,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:29,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:29,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:29,585 INFO L87 Difference]: Start difference. First operand 593 states and 939 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 22:23:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:29,694 INFO L93 Difference]: Finished difference Result 1197 states and 1862 transitions. [2022-10-15 22:23:29,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:29,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-15 22:23:29,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:29,706 INFO L225 Difference]: With dead ends: 1197 [2022-10-15 22:23:29,707 INFO L226 Difference]: Without dead ends: 797 [2022-10-15 22:23:29,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:29,720 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 286 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:29,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1245 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:29,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-10-15 22:23:29,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 762. [2022-10-15 22:23:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 714 states have (on average 1.719887955182073) internal successors, (1228), 761 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states 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 22:23:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1228 transitions. [2022-10-15 22:23:29,799 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1228 transitions. Word has length 104 [2022-10-15 22:23:29,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:29,804 INFO L495 AbstractCegarLoop]: Abstraction has 762 states and 1228 transitions. [2022-10-15 22:23:29,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 22:23:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1228 transitions. [2022-10-15 22:23:29,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 22:23:29,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:29,809 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] [2022-10-15 22:23:29,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:23:29,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:29,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:29,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1382178472, now seen corresponding path program 1 times [2022-10-15 22:23:29,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:29,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348390203] [2022-10-15 22:23:29,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:29,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:30,147 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 22:23:30,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:30,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348390203] [2022-10-15 22:23:30,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348390203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:30,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:30,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:30,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883461134] [2022-10-15 22:23:30,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:30,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:30,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:30,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:30,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:30,151 INFO L87 Difference]: Start difference. First operand 762 states and 1228 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:30,249 INFO L93 Difference]: Finished difference Result 1798 states and 2889 transitions. [2022-10-15 22:23:30,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-15 22:23:30,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:30,258 INFO L225 Difference]: With dead ends: 1798 [2022-10-15 22:23:30,258 INFO L226 Difference]: Without dead ends: 1231 [2022-10-15 22:23:30,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:30,261 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 309 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:30,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1510 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:30,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2022-10-15 22:23:30,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 1185. [2022-10-15 22:23:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1137 states have (on average 1.735268249780123) internal successors, (1973), 1184 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states 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 22:23:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1973 transitions. [2022-10-15 22:23:30,342 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1973 transitions. Word has length 107 [2022-10-15 22:23:30,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:30,343 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1973 transitions. [2022-10-15 22:23:30,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1973 transitions. [2022-10-15 22:23:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:23:30,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:30,346 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] [2022-10-15 22:23:30,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:23:30,346 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:30,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash -478183673, now seen corresponding path program 1 times [2022-10-15 22:23:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:30,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050218555] [2022-10-15 22:23:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:30,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:30,523 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 22:23:30,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:30,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050218555] [2022-10-15 22:23:30,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050218555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:30,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:30,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:30,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591651095] [2022-10-15 22:23:30,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:30,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:30,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:30,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:30,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:30,526 INFO L87 Difference]: Start difference. First operand 1185 states and 1973 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:30,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:30,657 INFO L93 Difference]: Finished difference Result 2732 states and 4524 transitions. [2022-10-15 22:23:30,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:30,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 22:23:30,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:30,671 INFO L225 Difference]: With dead ends: 2732 [2022-10-15 22:23:30,671 INFO L226 Difference]: Without dead ends: 1742 [2022-10-15 22:23:30,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:30,676 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 311 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:30,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1259 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-10-15 22:23:30,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1693. [2022-10-15 22:23:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1645 states have (on average 1.7349544072948329) internal successors, (2854), 1692 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states 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 22:23:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2854 transitions. [2022-10-15 22:23:30,840 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2854 transitions. Word has length 111 [2022-10-15 22:23:30,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:30,840 INFO L495 AbstractCegarLoop]: Abstraction has 1693 states and 2854 transitions. [2022-10-15 22:23:30,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2854 transitions. [2022-10-15 22:23:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 22:23:30,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:30,843 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] [2022-10-15 22:23:30,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:23:30,843 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:30,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:30,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1323241060, now seen corresponding path program 1 times [2022-10-15 22:23:30,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:30,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487812197] [2022-10-15 22:23:30,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:30,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:30,991 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 22:23:30,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:30,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487812197] [2022-10-15 22:23:30,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487812197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:30,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:30,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:30,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234088915] [2022-10-15 22:23:30,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:30,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:30,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:30,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:30,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:30,996 INFO L87 Difference]: Start difference. First operand 1693 states and 2854 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 22:23:31,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:31,236 INFO L93 Difference]: Finished difference Result 4355 states and 7369 transitions. [2022-10-15 22:23:31,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:31,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-15 22:23:31,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:31,254 INFO L225 Difference]: With dead ends: 4355 [2022-10-15 22:23:31,254 INFO L226 Difference]: Without dead ends: 2879 [2022-10-15 22:23:31,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:31,259 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 302 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:31,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1477 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:31,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2022-10-15 22:23:31,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2833. [2022-10-15 22:23:31,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2785 states have (on average 1.7432675044883303) internal successors, (4855), 2832 states have internal predecessors, (4855), 0 states have call successors, (0), 0 states 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 22:23:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 4855 transitions. [2022-10-15 22:23:31,524 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 4855 transitions. Word has length 114 [2022-10-15 22:23:31,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:31,525 INFO L495 AbstractCegarLoop]: Abstraction has 2833 states and 4855 transitions. [2022-10-15 22:23:31,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 22:23:31,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 4855 transitions. [2022-10-15 22:23:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 22:23:31,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:31,527 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] [2022-10-15 22:23:31,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:23:31,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:31,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:31,528 INFO L85 PathProgramCache]: Analyzing trace with hash -81521139, now seen corresponding path program 1 times [2022-10-15 22:23:31,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:31,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348016475] [2022-10-15 22:23:31,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:31,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:23:31,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:31,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348016475] [2022-10-15 22:23:31,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348016475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:31,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:31,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:31,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061693484] [2022-10-15 22:23:31,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:31,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:31,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:31,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:31,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:31,685 INFO L87 Difference]: Start difference. First operand 2833 states and 4855 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states 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 22:23:31,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:31,986 INFO L93 Difference]: Finished difference Result 6855 states and 11738 transitions. [2022-10-15 22:23:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:31,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-15 22:23:31,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:32,015 INFO L225 Difference]: With dead ends: 6855 [2022-10-15 22:23:32,016 INFO L226 Difference]: Without dead ends: 4239 [2022-10-15 22:23:32,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:32,023 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 304 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:32,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1259 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:32,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4239 states. [2022-10-15 22:23:32,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4239 to 4184. [2022-10-15 22:23:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4184 states, 4136 states have (on average 1.739845261121857) internal successors, (7196), 4183 states have internal predecessors, (7196), 0 states have call successors, (0), 0 states 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 22:23:32,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4184 states to 4184 states and 7196 transitions. [2022-10-15 22:23:32,448 INFO L78 Accepts]: Start accepts. Automaton has 4184 states and 7196 transitions. Word has length 118 [2022-10-15 22:23:32,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:32,449 INFO L495 AbstractCegarLoop]: Abstraction has 4184 states and 7196 transitions. [2022-10-15 22:23:32,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states 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 22:23:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4184 states and 7196 transitions. [2022-10-15 22:23:32,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-15 22:23:32,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:32,452 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] [2022-10-15 22:23:32,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:23:32,454 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:32,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:32,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1240581009, now seen corresponding path program 1 times [2022-10-15 22:23:32,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:32,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866466542] [2022-10-15 22:23:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:32,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:32,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:23:32,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:32,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866466542] [2022-10-15 22:23:32,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866466542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:32,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:32,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:32,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308030624] [2022-10-15 22:23:32,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:32,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:32,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:32,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:32,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:32,630 INFO L87 Difference]: Start difference. First operand 4184 states and 7196 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states 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 22:23:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:33,182 INFO L93 Difference]: Finished difference Result 11208 states and 19337 transitions. [2022-10-15 22:23:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:33,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-15 22:23:33,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:33,227 INFO L225 Difference]: With dead ends: 11208 [2022-10-15 22:23:33,227 INFO L226 Difference]: Without dead ends: 7263 [2022-10-15 22:23:33,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:33,237 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 295 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:33,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1444 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:33,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7263 states. [2022-10-15 22:23:33,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7263 to 7217. [2022-10-15 22:23:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7217 states, 7169 states have (on average 1.7431998884084252) internal successors, (12497), 7216 states have internal predecessors, (12497), 0 states have call successors, (0), 0 states 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 22:23:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7217 states to 7217 states and 12497 transitions. [2022-10-15 22:23:33,858 INFO L78 Accepts]: Start accepts. Automaton has 7217 states and 12497 transitions. Word has length 121 [2022-10-15 22:23:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:33,858 INFO L495 AbstractCegarLoop]: Abstraction has 7217 states and 12497 transitions. [2022-10-15 22:23:33,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states 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 22:23:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7217 states and 12497 transitions. [2022-10-15 22:23:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 22:23:33,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:33,861 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] [2022-10-15 22:23:33,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:23:33,862 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash 247001831, now seen corresponding path program 1 times [2022-10-15 22:23:33,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:33,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20753867] [2022-10-15 22:23:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:33,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:34,033 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 22:23:34,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:34,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20753867] [2022-10-15 22:23:34,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20753867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:34,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:34,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:34,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192164651] [2022-10-15 22:23:34,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:34,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:23:34,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:34,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:23:34,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:34,037 INFO L87 Difference]: Start difference. First operand 7217 states and 12497 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states 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 22:23:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:34,903 INFO L93 Difference]: Finished difference Result 17890 states and 30972 transitions. [2022-10-15 22:23:34,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:23:34,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-15 22:23:34,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:34,980 INFO L225 Difference]: With dead ends: 17890 [2022-10-15 22:23:34,980 INFO L226 Difference]: Without dead ends: 10912 [2022-10-15 22:23:34,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:23:34,997 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 297 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:34,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1263 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:23:35,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10912 states. [2022-10-15 22:23:35,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10912 to 10839. [2022-10-15 22:23:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10839 states, 10791 states have (on average 1.7375590770086182) internal successors, (18750), 10838 states have internal predecessors, (18750), 0 states have call successors, (0), 0 states 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 22:23:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10839 states to 10839 states and 18750 transitions. [2022-10-15 22:23:36,001 INFO L78 Accepts]: Start accepts. Automaton has 10839 states and 18750 transitions. Word has length 124 [2022-10-15 22:23:36,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:36,002 INFO L495 AbstractCegarLoop]: Abstraction has 10839 states and 18750 transitions. [2022-10-15 22:23:36,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states 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 22:23:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 10839 states and 18750 transitions. [2022-10-15 22:23:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 22:23:36,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:36,005 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] [2022-10-15 22:23:36,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:23:36,011 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:36,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:36,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1736640606, now seen corresponding path program 1 times [2022-10-15 22:23:36,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:36,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333712371] [2022-10-15 22:23:36,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:36,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:36,213 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 22:23:36,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:36,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333712371] [2022-10-15 22:23:36,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333712371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:36,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:36,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:36,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961331656] [2022-10-15 22:23:36,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:36,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:23:36,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:36,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:23:36,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:23:36,217 INFO L87 Difference]: Start difference. First operand 10839 states and 18750 transitions. Second operand has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states 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 22:23:38,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:38,059 INFO L93 Difference]: Finished difference Result 25044 states and 43554 transitions. [2022-10-15 22:23:38,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:23:38,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-15 22:23:38,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:38,161 INFO L225 Difference]: With dead ends: 25044 [2022-10-15 22:23:38,161 INFO L226 Difference]: Without dead ends: 25041 [2022-10-15 22:23:38,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:23:38,177 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 1000 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:38,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1862 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:23:38,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25041 states. [2022-10-15 22:23:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25041 to 20223. [2022-10-15 22:23:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20223 states, 20175 states have (on average 1.7323420074349443) internal successors, (34950), 20222 states have internal predecessors, (34950), 0 states have call successors, (0), 0 states 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 22:23:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20223 states to 20223 states and 34950 transitions. [2022-10-15 22:23:40,078 INFO L78 Accepts]: Start accepts. Automaton has 20223 states and 34950 transitions. Word has length 127 [2022-10-15 22:23:40,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:40,078 INFO L495 AbstractCegarLoop]: Abstraction has 20223 states and 34950 transitions. [2022-10-15 22:23:40,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.333333333333336) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states 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 22:23:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 20223 states and 34950 transitions. [2022-10-15 22:23:40,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-15 22:23:40,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:40,084 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] [2022-10-15 22:23:40,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:23:40,085 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:40,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:40,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1998715605, now seen corresponding path program 1 times [2022-10-15 22:23:40,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:40,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675523059] [2022-10-15 22:23:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:40,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:40,363 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 22:23:40,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:40,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675523059] [2022-10-15 22:23:40,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675523059] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:40,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:40,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:23:40,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462396699] [2022-10-15 22:23:40,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:40,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:23:40,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:40,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:23:40,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:23:40,367 INFO L87 Difference]: Start difference. First operand 20223 states and 34950 transitions. Second operand has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 22:23:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:42,477 INFO L93 Difference]: Finished difference Result 24996 states and 43338 transitions. [2022-10-15 22:23:42,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:23:42,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-15 22:23:42,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:42,583 INFO L225 Difference]: With dead ends: 24996 [2022-10-15 22:23:42,584 INFO L226 Difference]: Without dead ends: 24993 [2022-10-15 22:23:42,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:23:42,594 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 997 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:42,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1473 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:23:42,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24993 states. [2022-10-15 22:23:44,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24993 to 24951. [2022-10-15 22:23:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24951 states, 24903 states have (on average 1.7258161667269003) internal successors, (42978), 24950 states have internal predecessors, (42978), 0 states have call successors, (0), 0 states 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 22:23:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24951 states to 24951 states and 42978 transitions. [2022-10-15 22:23:44,546 INFO L78 Accepts]: Start accepts. Automaton has 24951 states and 42978 transitions. Word has length 128 [2022-10-15 22:23:44,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:44,547 INFO L495 AbstractCegarLoop]: Abstraction has 24951 states and 42978 transitions. [2022-10-15 22:23:44,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 22:23:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 24951 states and 42978 transitions. [2022-10-15 22:23:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-15 22:23:44,551 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:44,551 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] [2022-10-15 22:23:44,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:23:44,552 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:44,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:44,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1830641152, now seen corresponding path program 1 times [2022-10-15 22:23:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:44,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282957983] [2022-10-15 22:23:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:44,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:44,954 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 22:23:44,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:44,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282957983] [2022-10-15 22:23:44,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282957983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:44,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:44,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:23:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332950884] [2022-10-15 22:23:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:44,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:23:44,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:44,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:23:44,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:23:44,957 INFO L87 Difference]: Start difference. First operand 24951 states and 42978 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states 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 22:23:47,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:47,966 INFO L93 Difference]: Finished difference Result 36735 states and 63084 transitions. [2022-10-15 22:23:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:23:47,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-15 22:23:47,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:48,101 INFO L225 Difference]: With dead ends: 36735 [2022-10-15 22:23:48,102 INFO L226 Difference]: Without dead ends: 36732 [2022-10-15 22:23:48,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:23:48,117 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 1682 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:48,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 2785 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:23:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36732 states. [2022-10-15 22:23:50,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36732 to 31881. [2022-10-15 22:23:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31881 states, 31833 states have (on average 1.714824238997267) internal successors, (54588), 31880 states have internal predecessors, (54588), 0 states have call successors, (0), 0 states 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 22:23:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31881 states to 31881 states and 54588 transitions. [2022-10-15 22:23:50,299 INFO L78 Accepts]: Start accepts. Automaton has 31881 states and 54588 transitions. Word has length 129 [2022-10-15 22:23:50,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:50,300 INFO L495 AbstractCegarLoop]: Abstraction has 31881 states and 54588 transitions. [2022-10-15 22:23:50,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states 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 22:23:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 31881 states and 54588 transitions. [2022-10-15 22:23:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 22:23:50,302 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:50,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:23:50,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:23:50,303 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:50,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash -915300403, now seen corresponding path program 1 times [2022-10-15 22:23:50,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:50,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338313759] [2022-10-15 22:23:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:50,534 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 22:23:50,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:50,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338313759] [2022-10-15 22:23:50,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338313759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:50,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:50,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:23:50,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178352158] [2022-10-15 22:23:50,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:50,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:23:50,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:50,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:23:50,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:23:50,538 INFO L87 Difference]: Start difference. First operand 31881 states and 54588 transitions. Second operand has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:53,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:23:53,253 INFO L93 Difference]: Finished difference Result 36525 states and 62496 transitions. [2022-10-15 22:23:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:23:53,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-15 22:23:53,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:23:53,344 INFO L225 Difference]: With dead ends: 36525 [2022-10-15 22:23:53,345 INFO L226 Difference]: Without dead ends: 36522 [2022-10-15 22:23:53,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:23:53,360 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 1885 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:23:53,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 2135 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:23:53,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36522 states. [2022-10-15 22:23:55,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36522 to 36441. [2022-10-15 22:23:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36441 states, 36393 states have (on average 1.704723435825571) internal successors, (62040), 36440 states have internal predecessors, (62040), 0 states have call successors, (0), 0 states 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 22:23:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36441 states to 36441 states and 62040 transitions. [2022-10-15 22:23:55,608 INFO L78 Accepts]: Start accepts. Automaton has 36441 states and 62040 transitions. Word has length 130 [2022-10-15 22:23:55,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:23:55,608 INFO L495 AbstractCegarLoop]: Abstraction has 36441 states and 62040 transitions. [2022-10-15 22:23:55,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:23:55,609 INFO L276 IsEmpty]: Start isEmpty. Operand 36441 states and 62040 transitions. [2022-10-15 22:23:55,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-15 22:23:55,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:23:55,610 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] [2022-10-15 22:23:55,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:23:55,611 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:23:55,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:23:55,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1690459042, now seen corresponding path program 1 times [2022-10-15 22:23:55,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:23:55,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882141911] [2022-10-15 22:23:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:23:55,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:23:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:23:56,015 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 22:23:56,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:23:56,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882141911] [2022-10-15 22:23:56,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882141911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:23:56,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:23:56,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:23:56,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778029476] [2022-10-15 22:23:56,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:23:56,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:23:56,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:23:56,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:23:56,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:23:56,018 INFO L87 Difference]: Start difference. First operand 36441 states and 62040 transitions. Second operand has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states 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 22:24:02,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:02,439 INFO L93 Difference]: Finished difference Result 120437 states and 205593 transitions. [2022-10-15 22:24:02,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 22:24:02,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-15 22:24:02,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:02,699 INFO L225 Difference]: With dead ends: 120437 [2022-10-15 22:24:02,699 INFO L226 Difference]: Without dead ends: 84257 [2022-10-15 22:24:02,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-15 22:24:02,802 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 2916 mSDsluCounter, 4696 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 5312 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:02,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2916 Valid, 5312 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:24:03,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84257 states. [2022-10-15 22:24:07,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84257 to 68313. [2022-10-15 22:24:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68313 states, 68265 states have (on average 1.6899582509338607) internal successors, (115365), 68312 states have internal predecessors, (115365), 0 states have call successors, (0), 0 states 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 22:24:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68313 states to 68313 states and 115365 transitions. [2022-10-15 22:24:08,008 INFO L78 Accepts]: Start accepts. Automaton has 68313 states and 115365 transitions. Word has length 131 [2022-10-15 22:24:08,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:08,008 INFO L495 AbstractCegarLoop]: Abstraction has 68313 states and 115365 transitions. [2022-10-15 22:24:08,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states 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 22:24:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 68313 states and 115365 transitions. [2022-10-15 22:24:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 22:24:08,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:08,028 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] [2022-10-15 22:24:08,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:24:08,028 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-15 22:24:08,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash 864623215, now seen corresponding path program 1 times [2022-10-15 22:24:08,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:08,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638126548] [2022-10-15 22:24:08,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:08,282 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 22:24:08,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:08,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638126548] [2022-10-15 22:24:08,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638126548] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:08,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:08,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:24:08,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248421928] [2022-10-15 22:24:08,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:08,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:24:08,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:08,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:24:08,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:24:08,285 INFO L87 Difference]: Start difference. First operand 68313 states and 115365 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states 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 22:24:14,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:14,300 INFO L93 Difference]: Finished difference Result 93630 states and 158703 transitions. [2022-10-15 22:24:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 22:24:14,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-15 22:24:14,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:14,469 INFO L225 Difference]: With dead ends: 93630 [2022-10-15 22:24:14,469 INFO L226 Difference]: Without dead ends: 93627 [2022-10-15 22:24:14,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-15 22:24:14,491 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 3280 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3280 SdHoareTripleChecker+Valid, 3479 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:14,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3280 Valid, 3479 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:24:14,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93627 states.